diff --git a/changelog.d/features/6836-import-providers-from-file.md b/changelog.d/features/6836-import-providers-from-file.md
new file mode 100644
index 0000000000..fadbee0c6d
--- /dev/null
+++ b/changelog.d/features/6836-import-providers-from-file.md
@@ -0,0 +1 @@
+- feat(dashboard): import multiple, possibly different providers from a CSV/JSON file — per-row validation, a checklist to pick which parsed rows to import, and a new `POST /api/providers/import` route with partial-failure results (#6836)
diff --git a/docs/reference/API_REFERENCE.md b/docs/reference/API_REFERENCE.md
index 02bba19fa9..2733369e9a 100644
--- a/docs/reference/API_REFERENCE.md
+++ b/docs/reference/API_REFERENCE.md
@@ -435,6 +435,8 @@ Response example:
 | `/api/providers/[id]/test`   | POST                  | Test provider connection                       |
 | `/api/providers/[id]/models` | GET                   | List provider models                           |
 | `/api/providers/validate`    | POST                  | Validate provider config                       |
+| `/api/providers/bulk`        | POST                  | Bulk-add API keys for ONE provider             |
+| `/api/providers/import`      | POST                  | Import a heterogeneous provider LIST from a parsed CSV/JSON file (#6836); per-row partial-failure results |
 | `/api/provider-nodes*`       | Various               | Provider node management                       |
 | `/api/provider-models`       | GET/POST/PATCH/DELETE | Custom models (add, update, hide/show, delete) |
 
diff --git a/src/app/(dashboard)/dashboard/providers/components/ImportProvidersFromFileModal.tsx b/src/app/(dashboard)/dashboard/providers/components/ImportProvidersFromFileModal.tsx
new file mode 100644
index 0000000000..0363f205d8
--- /dev/null
+++ b/src/app/(dashboard)/dashboard/providers/components/ImportProvidersFromFileModal.tsx
@@ -0,0 +1,172 @@
+"use client";
+
+import { useTranslations } from "next-intl";
+import { Button, Modal } from "@/shared/components";
+import type { ParsedProviderImportEntry, ProviderImportParseError } from "./parseProviderImportFile";
+import { useImportProvidersFromFile } from "./useImportProvidersFromFile";
+
+interface ImportProvidersFromFileModalProps {
+  isOpen: boolean;
+  onClose: () => void;
+  onImported: () => Promise<void>;
+}
+
+type Translator = (key: string, values?: Record<string, unknown>) => string;
+
+const PARSE_ERROR_REASON_KEYS = [
+  "importErrorMissingProvider",
+  "importErrorMissingName",
+  "importErrorMissingApiKey",
+  "importErrorInvalidPriority",
+  "importErrorMalformedRow",
+  "importErrorNotArray",
+] as const;
+
+/** Per-row parse error list. Split out of the modal to keep it under the LOC ratchet. */
+function ParseErrorsList({ errors, t }: { errors: ProviderImportParseError[]; t: Translator }) {
+  if (errors.length === 0) return null;
+  return (
+    <div className="max-h-28 overflow-y-auto rounded border border-red-500/30 bg-red-500/10 p-2">
+      {errors.map((err, idx) => (
+        <div key={idx} className="text-xs text-red-400">
+          {t("importFromFileErrorLine", {
+            line: err.line,
+            reason: t(
+              PARSE_ERROR_REASON_KEYS.includes(err.reason as (typeof PARSE_ERROR_REASON_KEYS)[number])
+                ? err.reason
+                : "importErrorMalformedRow"
+            ),
+          })}
+        </div>
+      ))}
+    </div>
+  );
+}
+
+interface EntriesTableProps {
+  entries: ParsedProviderImportEntry[];
+  selected: Set<number>;
+  onToggleRow: (idx: number) => void;
+  onToggleAll: (checked: boolean) => void;
+  t: Translator;
+}
+
+/** Parsed-rows selection checklist (acceptance criterion #3 of #6836). */
+function EntriesTable({ entries, selected, onToggleRow, onToggleAll, t }: EntriesTableProps) {
+  if (entries.length === 0) return null;
+  return (
+    <>
+      <div className="text-xs text-text-muted">
+        {t("importFromFileSelectHint", { count: selected.size, total: entries.length })}
+      </div>
+      <div className="overflow-x-auto max-h-64 overflow-y-auto rounded border border-border">
+        <table className="w-full text-xs">
+          <thead>
+            <tr className="text-left text-text-muted border-b border-border bg-bg-subtle sticky top-0">
+              <th className="py-1.5 px-2">
+                <input
+                  type="checkbox"
+                  checked={selected.size === entries.length}
+                  onChange={(e) => onToggleAll(e.target.checked)}
+                />
+              </th>
+              <th className="py-1.5 px-2">{t("importFromFileColProvider")}</th>
+              <th className="py-1.5 px-2">{t("importFromFileColName")}</th>
+              <th className="py-1.5 px-2">{t("importFromFileColBaseUrl")}</th>
+            </tr>
+          </thead>
+          <tbody>
+            {entries.map((entry, idx) => (
+              <tr key={idx} className="border-b border-border/40">
+                <td className="py-1 px-2">
+                  <input type="checkbox" checked={selected.has(idx)} onChange={() => onToggleRow(idx)} />
+                </td>
+                <td className="py-1 px-2 font-mono text-text-muted">{entry.provider}</td>
+                <td className="py-1 px-2 font-medium text-text-main">{entry.name}</td>
+                <td className="py-1 px-2 text-text-muted">{entry.baseUrl || "—"}</td>
+              </tr>
+            ))}
+          </tbody>
+        </table>
+      </div>
+    </>
+  );
+}
+
+interface FilePickerRowProps {
+  fileInputRef: React.RefObject<HTMLInputElement | null>;
+  fileName: string;
+  onFile: (file: File) => void;
+  t: Translator;
+}
+
+/** File-input trigger + chosen filename display. */
+function FilePickerRow({ fileInputRef, fileName, onFile, t }: FilePickerRowProps) {
+  return (
+    <div className="flex items-center gap-3">
+      <input
+        ref={fileInputRef}
+        type="file"
+        accept=".csv,.json,text/csv,application/json"
+        className="hidden"
+        onChange={(e) => {
+          const file = e.target.files?.[0];
+          if (file) onFile(file);
+        }}
+      />
+      <Button size="sm" variant="secondary" icon="upload_file" onClick={() => fileInputRef.current?.click()}>
+        {t("importFromFileChoose")}
+      </Button>
+      {fileName && <span className="text-xs text-text-muted font-mono">{fileName}</span>}
+    </div>
+  );
+}
+
+/**
+ * Wizard step: upload a CSV/JSON file listing MULTIPLE, possibly different providers,
+ * pick which parsed rows to actually import, then submit them in one batch (#6836).
+ * Mirrors `ProxyBulkImportModal.tsx`'s parse → review → execute UX. State/handlers live
+ * in `useImportProvidersFromFile`; presentation-only pieces are split into the small
+ * components above so this component itself stays under the LOC ratchet.
+ */
+export function ImportProvidersFromFileModal({
+  isOpen,
+  onClose,
+  onImported,
+}: ImportProvidersFromFileModalProps) {
+  const t = useTranslations("providers");
+  const s = useImportProvidersFromFile(onImported);
+
+  return (
+    <Modal isOpen={isOpen} onClose={() => s.handleClose(onClose)} title={t("importFromFileTitle")} maxWidth="xl">
+      <div className="flex flex-col gap-4">
+        <p className="text-sm text-text-muted">{t("importFromFileDescription")}</p>
+
+        <FilePickerRow fileInputRef={s.fileInputRef} fileName={s.fileName} onFile={s.handleFile} t={t} />
+        <ParseErrorsList errors={s.errors} t={t} />
+        <EntriesTable entries={s.entries} selected={s.selected} onToggleRow={s.toggleRow} onToggleAll={s.toggleAll} t={t} />
+
+        {s.result && (
+          <div className="px-3 py-2 rounded border border-emerald-500/30 bg-emerald-500/10 text-sm text-emerald-400">
+            {t("importFromFileResult", { success: s.result.success, failed: s.result.failed })}
+          </div>
+        )}
+
+        <div className="flex items-center justify-end gap-2 pt-2 border-t border-border">
+          <Button size="sm" variant="secondary" onClick={() => s.handleClose(onClose)}>
+            {t("cancel")}
+          </Button>
+          <Button
+            size="sm"
+            icon="upload"
+            onClick={s.handleExecute}
+            loading={s.importing}
+            disabled={s.selected.size === 0 || s.importing}
+          >
+            {s.importing ? t("importFromFileImporting") : t("importFromFileImport", { count: s.selected.size })}
+          </Button>
+        </div>
+      </div>
+    </Modal>
+  );
+}
diff --git a/src/app/(dashboard)/dashboard/providers/components/ProviderSummaryCard.tsx b/src/app/(dashboard)/dashboard/providers/components/ProviderSummaryCard.tsx
index e03c389ffe..a4be582732 100644
--- a/src/app/(dashboard)/dashboard/providers/components/ProviderSummaryCard.tsx
+++ b/src/app/(dashboard)/dashboard/providers/components/ProviderSummaryCard.tsx
@@ -42,6 +42,7 @@ interface ProviderSummaryCardProps {
   onCategoryChange(category: string | null, freeOnly: boolean): void;
   onDisplayModeChange(mode: ProviderDisplayMode): void;
   onNewProvider(): void;
+  onImportFromFile(): void;
   searchQuery: string;
   setModelSearchQuery(value: string): void;
   setSearchQuery(value: string): void;
@@ -96,6 +97,7 @@ export default function ProviderSummaryCard({
   onCategoryChange,
   onDisplayModeChange,
   onNewProvider,
+  onImportFromFile,
   searchQuery,
   setModelSearchQuery,
   setSearchQuery,
@@ -200,6 +202,9 @@ export default function ProviderSummaryCard({
           <Button size="sm" icon="add" onClick={onNewProvider}>
             {providerText(t, "onboardingWizardShort", "Onboarding Wizard")}
           </Button>
+          <Button size="sm" variant="secondary" icon="upload_file" onClick={onImportFromFile}>
+            {providerText(t, "importFromFile", "Import from file")}
+          </Button>
           <button
             onClick={() => onBatchTest("all")}
             disabled={!!testingMode}
diff --git a/src/app/(dashboard)/dashboard/providers/components/parseProviderImportFile.ts b/src/app/(dashboard)/dashboard/providers/components/parseProviderImportFile.ts
new file mode 100644
index 0000000000..96a0acbc66
--- /dev/null
+++ b/src/app/(dashboard)/dashboard/providers/components/parseProviderImportFile.ts
@@ -0,0 +1,185 @@
+/**
+ * Pure parser for the "Import providers from file" wizard step (#6836).
+ *
+ * Supported inputs, one heterogeneous provider list per file:
+ *   - CSV: `provider,name,apiKey,baseUrl(optional),priority(optional)` — one row per
+ *     provider connection. A header row (first non-blank/non-comment line whose first
+ *     column is literally "provider", case-insensitive) is detected and skipped.
+ *   - JSON: an array of `{ provider, name, apiKey, baseUrl?, priority? }` objects.
+ *
+ * Modeled directly on `parseBulkProxyImport.ts` (same shape: entries + per-row errors +
+ * skipped count, comment/blank-line skipping for CSV), swapping the row shape for
+ * provider connections. Deliberately does NOT validate the `provider` id against the
+ * provider catalog — that check belongs server-side in `bulkImportProviderSchema`
+ * (`src/shared/validation/schemas/provider.ts`) so the parser stays a pure, dependency-free
+ * client-side utility.
+ */
+
+export type ParsedProviderImportEntry = {
+  provider: string;
+  name: string;
+  apiKey: string;
+  baseUrl?: string;
+  priority?: number;
+};
+
+export type ProviderImportParseError = {
+  line: number;
+  reason:
+    | "importErrorMissingProvider"
+    | "importErrorMissingName"
+    | "importErrorMissingApiKey"
+    | "importErrorInvalidPriority"
+    | "importErrorMalformedRow"
+    | "importErrorNotArray";
+};
+
+export type ProviderImportParseResult = {
+  entries: ParsedProviderImportEntry[];
+  errors: ProviderImportParseError[];
+  skipped: number;
+};
+
+const CSV_HEADER_FIRST_COLUMN = "provider";
+
+type PriorityParseResult = { ok: true; priority: number | undefined } | { ok: false };
+
+/**
+ * Parse+validate the optional `priority` field in isolation — split out of
+ * `pushParsedEntry` purely to keep that function's cyclomatic complexity under the
+ * repo's ratchet (each branch here would otherwise count toward the caller).
+ */
+function parseOptionalPriority(raw: unknown): PriorityParseResult {
+  if (raw === undefined || raw === null || raw === "") return { ok: true, priority: undefined };
+  const n = typeof raw === "number" ? raw : Number(raw);
+  if (!Number.isFinite(n) || n < 1 || n > 100) return { ok: false };
+  return { ok: true, priority: n };
+}
+
+/**
+ * Validate + normalize one already-split row of raw string fields into an entry,
+ * pushing to `entries` on success or `errors` on failure. Shared by the CSV and
+ * JSON code paths so both apply identical field rules.
+ */
+function pushParsedEntry(
+  entries: ParsedProviderImportEntry[],
+  errors: ProviderImportParseError[],
+  lineNum: number,
+  raw: { provider?: unknown; name?: unknown; apiKey?: unknown; baseUrl?: unknown; priority?: unknown }
+): void {
+  const provider = typeof raw.provider === "string" ? raw.provider.trim() : "";
+  const name = typeof raw.name === "string" ? raw.name.trim() : "";
+  const apiKey = typeof raw.apiKey === "string" ? raw.apiKey.trim() : "";
+
+  if (!provider) {
+    errors.push({ line: lineNum, reason: "importErrorMissingProvider" });
+    return;
+  }
+  if (!name) {
+    errors.push({ line: lineNum, reason: "importErrorMissingName" });
+    return;
+  }
+  if (!apiKey) {
+    errors.push({ line: lineNum, reason: "importErrorMissingApiKey" });
+    return;
+  }
+
+  const priorityResult = parseOptionalPriority(raw.priority);
+  if (!priorityResult.ok) {
+    errors.push({ line: lineNum, reason: "importErrorInvalidPriority" });
+    return;
+  }
+  const priority = priorityResult.priority;
+
+  const baseUrl = typeof raw.baseUrl === "string" ? raw.baseUrl.trim() : "";
+
+  entries.push({
+    provider,
+    name,
+    apiKey,
+    ...(baseUrl ? { baseUrl } : {}),
+    ...(priority !== undefined ? { priority } : {}),
+  });
+}
+
+function parseCsv(text: string): ProviderImportParseResult {
+  const lines = text.split("\n");
+  const entries: ParsedProviderImportEntry[] = [];
+  const errors: ProviderImportParseError[] = [];
+  let skipped = 0;
+  let headerSkipped = false;
+
+  for (let i = 0; i < lines.length; i++) {
+    const raw = lines[i].trim();
+    if (!raw || raw.startsWith("#")) {
+      skipped++;
+      continue;
+    }
+
+    const lineNum = i + 1;
+    const parts = raw.split(",").map((p) => p.trim());
+
+    if (!headerSkipped) {
+      headerSkipped = true;
+      if ((parts[0] || "").toLowerCase() === CSV_HEADER_FIRST_COLUMN) {
+        skipped++;
+        continue;
+      }
+    }
+
+    if (parts.length < 3) {
+      errors.push({ line: lineNum, reason: "importErrorMalformedRow" });
+      continue;
+    }
+
+    const [provider, name, apiKey, baseUrl, priority] = parts;
+    pushParsedEntry(entries, errors, lineNum, { provider, name, apiKey, baseUrl, priority });
+  }
+
+  return { entries, errors, skipped };
+}
+
+function parseJson(text: string): ProviderImportParseResult {
+  const entries: ParsedProviderImportEntry[] = [];
+  const errors: ProviderImportParseError[] = [];
+
+  let parsed: unknown;
+  try {
+    parsed = JSON.parse(text);
+  } catch {
+    return { entries, errors: [{ line: 1, reason: "importErrorMalformedRow" }], skipped: 0 };
+  }
+
+  if (!Array.isArray(parsed)) {
+    return { entries, errors: [{ line: 1, reason: "importErrorNotArray" }], skipped: 0 };
+  }
+
+  parsed.forEach((row, idx) => {
+    const lineNum = idx + 1;
+    if (!row || typeof row !== "object") {
+      errors.push({ line: lineNum, reason: "importErrorMalformedRow" });
+      return;
+    }
+    const r = row as Record<string, unknown>;
+    pushParsedEntry(entries, errors, lineNum, {
+      provider: r.provider,
+      name: r.name,
+      apiKey: r.apiKey,
+      baseUrl: r.baseUrl,
+      priority: r.priority as number | string | undefined,
+    });
+  });
+
+  return { entries, errors, skipped: 0 };
+}
+
+/**
+ * Parse a provider import file's text content. `format` is decided by the caller from
+ * the uploaded file's extension/MIME type ("csv" for `.csv`/text-csv, "json" otherwise).
+ */
+export function parseProviderImportFile(
+  text: string,
+  format: "csv" | "json"
+): ProviderImportParseResult {
+  return format === "json" ? parseJson(text) : parseCsv(text);
+}
diff --git a/src/app/(dashboard)/dashboard/providers/components/useImportProvidersFromFile.ts b/src/app/(dashboard)/dashboard/providers/components/useImportProvidersFromFile.ts
new file mode 100644
index 0000000000..ecf50e5bcb
--- /dev/null
+++ b/src/app/(dashboard)/dashboard/providers/components/useImportProvidersFromFile.ts
@@ -0,0 +1,97 @@
+import { useRef, useState } from "react";
+import {
+  parseProviderImportFile,
+  type ParsedProviderImportEntry,
+  type ProviderImportParseError,
+} from "./parseProviderImportFile";
+
+export type ImportResult = { success: number; failed: number; total: number };
+
+/**
+ * All state + handlers for `ImportProvidersFromFileModal`, split into a hook purely
+ * to keep the component's own function under the repo's max-lines-per-function ratchet
+ * (#6836). Behavior is unchanged — this is a pure extraction, not a refactor.
+ */
+export function useImportProvidersFromFile(onImported: () => Promise<void>) {
+  const fileInputRef = useRef<HTMLInputElement>(null);
+  const [fileName, setFileName] = useState("");
+  const [entries, setEntries] = useState<ParsedProviderImportEntry[]>([]);
+  const [errors, setErrors] = useState<ProviderImportParseError[]>([]);
+  const [selected, setSelected] = useState<Set<number>>(new Set());
+  const [importing, setImporting] = useState(false);
+  const [result, setResult] = useState<ImportResult | null>(null);
+
+  const resetParsed = () => {
+    setEntries([]);
+    setErrors([]);
+    setSelected(new Set());
+    setResult(null);
+  };
+
+  const handleFile = async (file: File) => {
+    setFileName(file.name);
+    resetParsed();
+    const format = file.name.toLowerCase().endsWith(".json") ? "json" : "csv";
+    const text = await file.text();
+    const parsed = parseProviderImportFile(text, format);
+    setEntries(parsed.entries);
+    setErrors(parsed.errors);
+    setSelected(new Set(parsed.entries.map((_, idx) => idx)));
+  };
+
+  const toggleRow = (idx: number) => {
+    setSelected((prev) => {
+      const next = new Set(prev);
+      if (next.has(idx)) next.delete(idx);
+      else next.add(idx);
+      return next;
+    });
+  };
+
+  const toggleAll = (checked: boolean) => {
+    setSelected(checked ? new Set(entries.map((_, i) => i)) : new Set());
+  };
+
+  const handleClose = (onClose: () => void) => {
+    if (importing) return;
+    setFileName("");
+    resetParsed();
+    if (fileInputRef.current) fileInputRef.current.value = "";
+    onClose();
+  };
+
+  const handleExecute = async () => {
+    const toImport = entries.filter((_, idx) => selected.has(idx));
+    if (toImport.length === 0) return;
+    setImporting(true);
+    try {
+      const res = await fetch("/api/providers/import", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ entries: toImport }),
+      });
+      const data = await res.json().catch(() => ({}));
+      if (res.ok) {
+        setResult({ success: data.success ?? 0, failed: data.failed ?? 0, total: data.total ?? 0 });
+        await onImported();
+      }
+    } finally {
+      setImporting(false);
+    }
+  };
+
+  return {
+    fileInputRef,
+    fileName,
+    entries,
+    errors,
+    selected,
+    importing,
+    result,
+    handleFile,
+    toggleRow,
+    toggleAll,
+    handleClose,
+    handleExecute,
+  };
+}
diff --git a/src/app/(dashboard)/dashboard/providers/page.tsx b/src/app/(dashboard)/dashboard/providers/page.tsx
index f6192498ef..fbc289a95c 100644
--- a/src/app/(dashboard)/dashboard/providers/page.tsx
+++ b/src/app/(dashboard)/dashboard/providers/page.tsx
@@ -42,6 +42,7 @@ import {
 } from "@/lib/providers/codexFastTier";
 import AddCompatibleProviderModal from "./components/AddCompatibleProviderModal";
 import { CategoryDot } from "./components/CategoryDot";
+import { ImportProvidersFromFileModal } from "./components/ImportProvidersFromFileModal";
 import NoAuthProvidersSection from "./components/NoAuthProvidersSection";
 import ProviderCard from "./components/ProviderCard";
 import ProviderCountBadge from "./components/ProviderCountBadge";
@@ -181,6 +182,7 @@ export default function ProvidersPage() {
   const [showAddCompatibleModal, setShowAddCompatibleModal] = useState(false);
   const [showAddAnthropicCompatibleModal, setShowAddAnthropicCompatibleModal] = useState(false);
   const [showAddCcCompatibleModal, setShowAddCcCompatibleModal] = useState(false);
+  const [showImportFromFileModal, setShowImportFromFileModal] = useState(false);
   const [testingMode, setTestingMode] = useState<string | null>(null);
   const [testResults, setTestResults] = useState<any>(null);
   const [providerDisplayMode, setProviderDisplayMode] = useState<ProviderDisplayMode>("all");
@@ -860,6 +862,7 @@ export default function ProvidersPage() {
         }}
         onDisplayModeChange={setProviderDisplayMode}
         onNewProvider={() => router.push("/dashboard/providers/new")}
+        onImportFromFile={() => setShowImportFromFileModal(true)}
         searchQuery={searchQuery}
         setModelSearchQuery={setModelSearchQuery}
         setSearchQuery={setSearchQuery}
@@ -1782,6 +1785,11 @@ export default function ProvidersPage() {
           }}
         />
       )}
+      <ImportProvidersFromFileModal
+        isOpen={showImportFromFileModal}
+        onClose={() => setShowImportFromFileModal(false)}
+        onImported={async () => setConnections((await loadProviderPageData()).connections)}
+      />
       {/* Test Results Modal */}
       {testResults && (
         <div
diff --git a/src/app/api/providers/import/route.ts b/src/app/api/providers/import/route.ts
new file mode 100644
index 0000000000..b096dd76de
--- /dev/null
+++ b/src/app/api/providers/import/route.ts
@@ -0,0 +1,212 @@
+import { NextResponse } from "next/server";
+import { getAuditRequestContext, logAuditEvent } from "@/lib/compliance/index";
+import {
+  getProviderAuditTarget,
+  summarizeProviderConnectionForAudit,
+} from "@/lib/compliance/providerAudit";
+import { createProviderConnection, getProviderNodeById, isCloudEnabled } from "@/models";
+import { isAnthropicCompatibleProvider, isOpenAICompatibleProvider } from "@/shared/constants/providers";
+import { getConsistentMachineId } from "@/shared/utils/machineId";
+import { syncToCloud } from "@/lib/cloudSync";
+import { bulkImportProviderSchema } from "@/shared/validation/schemas";
+import { isValidationFailure, validateBody } from "@/shared/validation/helpers";
+import {
+  normalizeProviderSpecificData,
+  sanitizeProviderSpecificDataForResponse,
+} from "@/lib/providers/requestDefaults";
+import { requireManagementAuth } from "@/lib/api/requireManagementAuth";
+import { sanitizeErrorMessage } from "@omniroute/open-sse/utils/error";
+import { validateProviderApiKey } from "@/lib/providers/validation";
+import { getProxyForLevel, resolveProxyForProvider } from "@/lib/localDb";
+import { runWithProxyContext } from "@omniroute/open-sse/utils/proxyFetch.ts";
+
+type ImportEntry = {
+  provider: string;
+  name: string;
+  apiKey: string;
+  baseUrl?: string;
+  priority?: number;
+};
+
+/**
+ * Resolve the providerSpecificData base object for one entry's provider — mirrors the
+ * per-provider node resolution in POST /api/providers/bulk, plus an optional per-entry
+ * `baseUrl` override (the file-import format lets each row point at a different
+ * OpenAI/Anthropic-compatible endpoint, unlike the single-provider bulk-key route).
+ */
+async function resolveProviderSpecificData(
+  entry: ImportEntry
+): Promise<Record<string, unknown> | null> {
+  let base: Record<string, unknown> | null = null;
+  if (isOpenAICompatibleProvider(entry.provider) || isAnthropicCompatibleProvider(entry.provider)) {
+    const node: any = await getProviderNodeById(entry.provider);
+    if (!node) return null;
+    base = {
+      prefix: node.prefix,
+      ...(node.apiType ? { apiType: node.apiType } : {}),
+      baseUrl: entry.baseUrl || node.baseUrl,
+      nodeName: node.name,
+      ...(node.chatPath ? { chatPath: node.chatPath } : {}),
+      ...(node.modelsPath ? { modelsPath: node.modelsPath } : {}),
+    };
+  } else if (entry.baseUrl) {
+    base = { baseUrl: entry.baseUrl };
+  }
+  return normalizeProviderSpecificData(entry.provider, base) || base;
+}
+
+async function importOneEntry(
+  entry: ImportEntry,
+  validateKeys: boolean
+): Promise<{ created: Record<string, unknown> } | { error: string }> {
+  const providerSpecificData = await resolveProviderSpecificData(entry);
+  if (
+    (isOpenAICompatibleProvider(entry.provider) || isAnthropicCompatibleProvider(entry.provider)) &&
+    !providerSpecificData
+  ) {
+    return { error: "Provider node not found" };
+  }
+
+  const proxyToUse = validateKeys
+    ? (await resolveProxyForProvider(entry.provider)) ||
+      (await getProxyForLevel("provider", entry.provider)) ||
+      (await getProxyForLevel("global")) ||
+      null
+    : null;
+
+  let testStatus: "active" | "unknown" | "failed" = "unknown";
+  if (validateKeys) {
+    const probe = await runWithProxyContext(proxyToUse, () =>
+      validateProviderApiKey({
+        provider: entry.provider,
+        apiKey: entry.apiKey,
+        providerSpecificData: providerSpecificData || undefined,
+      })
+    );
+    testStatus = probe?.valid ? "active" : "failed";
+  }
+
+  const newConnection = await createProviderConnection({
+    provider: entry.provider,
+    authType: "apikey",
+    name: entry.name,
+    apiKey: entry.apiKey,
+    priority: entry.priority || 1,
+    globalPriority: null,
+    defaultModel: null,
+    providerSpecificData,
+    isActive: true,
+    testStatus,
+  });
+
+  const safe: Record<string, unknown> = { ...newConnection };
+  delete safe.apiKey;
+  if (safe.providerSpecificData) {
+    safe.providerSpecificData = sanitizeProviderSpecificDataForResponse(
+      safe.providerSpecificData as Record<string, unknown>
+    );
+  }
+  return { created: safe };
+}
+
+async function syncToCloudIfEnabled() {
+  try {
+    const cloudEnabled = await isCloudEnabled();
+    if (!cloudEnabled) return;
+    const machineId = await getConsistentMachineId();
+    await syncToCloud(machineId);
+  } catch (error) {
+    console.log("Error syncing providers to cloud:", error);
+  }
+}
+
+// POST /api/providers/import — create multiple provider connections from a parsed
+// CSV/JSON file, where each row/entry may target a DIFFERENT provider (#6836).
+// Partial-failure semantics identical to /api/providers/bulk: every entry succeeds or
+// fails independently and the response always returns 200 with per-entry results.
+export async function POST(request: Request) {
+  const authError = await requireManagementAuth(request);
+  if (authError) return authError;
+
+  const auditContext = getAuditRequestContext(request);
+
+  let body: unknown;
+  try {
+    body = await request.json();
+  } catch {
+    return NextResponse.json({ error: "Invalid JSON body" }, { status: 400 });
+  }
+
+  const validation = validateBody(bulkImportProviderSchema, body);
+  if (isValidationFailure(validation)) {
+    return NextResponse.json({ error: validation.error }, { status: 400 });
+  }
+
+  const { entries, validateKeys } = validation.data;
+
+  const created: Array<Record<string, unknown>> = [];
+  const errors: Array<{ index: number; name: string; provider: string; message: string }> = [];
+
+  for (let i = 0; i < entries.length; i++) {
+    const entry = entries[i];
+    try {
+      const result = await importOneEntry(entry, !!validateKeys);
+      if ("error" in result) {
+        errors.push({ index: i, name: entry.name, provider: entry.provider, message: result.error });
+        continue;
+      }
+      created.push(result.created);
+      logAuditEvent({
+        action: "provider.credentials.created",
+        actor: "admin",
+        target: getProviderAuditTarget(result.created),
+        resourceType: "provider_credentials",
+        status: "success",
+        ipAddress: auditContext.ipAddress || undefined,
+        requestId: auditContext.requestId,
+        metadata: {
+          provider: entry.provider,
+          via: "import",
+          connection: summarizeProviderConnectionForAudit(result.created),
+        },
+      });
+    } catch (err) {
+      errors.push({
+        index: i,
+        name: entry.name,
+        provider: entry.provider,
+        message: sanitizeErrorMessage(err) || "Failed to create connection",
+      });
+    }
+  }
+
+  if (created.length > 0) {
+    await syncToCloudIfEnabled();
+  }
+
+  logAuditEvent({
+    action: "provider.credentials.bulk_created",
+    actor: "admin",
+    resourceType: "provider_credentials",
+    status: errors.length === entries.length ? "failure" : "success",
+    ipAddress: auditContext.ipAddress || undefined,
+    requestId: auditContext.requestId,
+    metadata: {
+      via: "import",
+      total: entries.length,
+      success: created.length,
+      failed: errors.length,
+    },
+  });
+
+  return NextResponse.json(
+    {
+      success: created.length,
+      failed: errors.length,
+      total: entries.length,
+      created,
+      errors,
+    },
+    { status: 200 }
+  );
+}
diff --git a/src/i18n/messages/en.json b/src/i18n/messages/en.json
index 9ac7b9806a..db655bc563 100644
--- a/src/i18n/messages/en.json
+++ b/src/i18n/messages/en.json
@@ -3946,6 +3946,24 @@
     "addFirstProvider": "Add your first provider",
     "addFirstProviderDesc": "Connect an AI provider to start routing requests through OmniRoute. You can use free providers, API keys, or OAuth accounts.",
     "learnMore": "Learn more",
+    "importFromFile": "Import from file",
+    "importFromFileTitle": "Import providers from file",
+    "importFromFileDescription": "Upload a CSV or JSON file listing multiple providers (each row can be a different provider type). Review the parsed rows below and pick which ones to import.",
+    "importFromFileChoose": "Choose file",
+    "importFromFileSelectHint": "{count} of {total} selected",
+    "importFromFileColProvider": "Provider",
+    "importFromFileColName": "Name",
+    "importFromFileColBaseUrl": "Base URL",
+    "importFromFileErrorLine": "Row {line}: {reason}",
+    "importErrorMissingProvider": "missing provider",
+    "importErrorMissingName": "missing name",
+    "importErrorMissingApiKey": "missing API key",
+    "importErrorInvalidPriority": "invalid priority (must be 1-100)",
+    "importErrorMalformedRow": "malformed row",
+    "importErrorNotArray": "file must contain a JSON array",
+    "importFromFileImporting": "Importing…",
+    "importFromFileImport": "Import {count} providers",
+    "importFromFileResult": "Imported {success} providers ({failed} failed)",
     "adaptaTutorial": {
       "title": "How to connect Adapta Web",
       "introPrefix": "Adapta authenticates through Clerk. The token",
diff --git a/src/i18n/messages/pt-BR.json b/src/i18n/messages/pt-BR.json
index c5de20dd48..6a2f88e0f4 100644
--- a/src/i18n/messages/pt-BR.json
+++ b/src/i18n/messages/pt-BR.json
@@ -3946,6 +3946,24 @@
     "addFirstProvider": "Adicione seu primeiro provedor",
     "addFirstProviderDesc": "Conecte um provedor de IA para começar a rotear solicitações por meio do OmniRoute. Você pode usar provedores gratuitos, chaves de API ou contas OAuth.",
     "learnMore": "Saiba mais",
+    "importFromFile": "Importar de arquivo",
+    "importFromFileTitle": "Importar provedores de arquivo",
+    "importFromFileDescription": "Envie um arquivo CSV ou JSON listando vários provedores (cada linha pode ser um tipo de provedor diferente). Revise as linhas processadas abaixo e escolha quais importar.",
+    "importFromFileChoose": "Escolher arquivo",
+    "importFromFileSelectHint": "{count} de {total} selecionados",
+    "importFromFileColProvider": "Provedor",
+    "importFromFileColName": "Nome",
+    "importFromFileColBaseUrl": "URL base",
+    "importFromFileErrorLine": "Linha {line}: {reason}",
+    "importErrorMissingProvider": "provedor ausente",
+    "importErrorMissingName": "nome ausente",
+    "importErrorMissingApiKey": "chave de API ausente",
+    "importErrorInvalidPriority": "prioridade inválida (deve ser 1-100)",
+    "importErrorMalformedRow": "linha malformada",
+    "importErrorNotArray": "o arquivo deve conter um array JSON",
+    "importFromFileImporting": "Importando…",
+    "importFromFileImport": "Importar {count} provedores",
+    "importFromFileResult": "{success} provedores importados ({failed} falharam)",
     "adaptaTutorial": {
       "title": "__MISSING__:How to connect Adapta Web",
       "introPrefix": "__MISSING__:Adapta authenticates through Clerk. The token",
diff --git a/src/shared/validation/schemas/provider.ts b/src/shared/validation/schemas/provider.ts
index 718f6e5164..e25e856d5b 100644
--- a/src/shared/validation/schemas/provider.ts
+++ b/src/shared/validation/schemas/provider.ts
@@ -6,7 +6,12 @@ import {
 import { SUPPORTED_BATCH_ENDPOINTS } from "@/shared/constants/batchEndpoints";
 import { MAX_REQUEST_BODY_LIMIT_MB, MIN_REQUEST_BODY_LIMIT_MB } from "@/shared/constants/bodySize";
 import { COMBO_CONFIG_MODES } from "@/shared/constants/comboConfigMode";
-import { providerAllowsOptionalApiKey } from "@/shared/constants/providers";
+import {
+  providerAllowsOptionalApiKey,
+  isOpenAICompatibleProvider,
+  isAnthropicCompatibleProvider,
+} from "@/shared/constants/providers";
+import { isManagedProviderConnectionId } from "@/lib/providers/catalog";
 import { HIDEABLE_SIDEBAR_ITEM_IDS } from "@/shared/constants/sidebarVisibility";
 import {
   isForbiddenUpstreamHeaderName,
@@ -148,6 +153,38 @@ export const bulkCreateProviderSchema = z
     }
   });
 
+// ──── Heterogeneous Provider Import Schema (#6836) ────
+
+// #6836: unlike `bulkCreateProviderSchema` (many keys, ONE provider type per request),
+// this schema backs a file (CSV/JSON) import of a heterogeneous LIST of providers —
+// each entry carries its OWN `provider` id, validated individually here so the route
+// can return per-row partial-failure results (same contract as /api/providers/bulk).
+export const bulkImportProviderSchema = z.object({
+  entries: z
+    .array(
+      z.object({
+        provider: z
+          .string()
+          .min(1, "provider is required")
+          .max(100)
+          .refine(
+            (id) =>
+              isManagedProviderConnectionId(id) ||
+              isOpenAICompatibleProvider(id) ||
+              isAnthropicCompatibleProvider(id),
+            { message: "Unknown or unsupported provider" }
+          ),
+        name: z.string().min(1, "name is required").max(200),
+        apiKey: z.string().min(1, "apiKey is required").max(MAX_PROVIDER_CREDENTIAL_LENGTH),
+        baseUrl: z.string().trim().max(2000).optional(),
+        priority: z.number().int().min(1).max(100).optional(),
+      })
+    )
+    .min(1, "entries must contain at least 1 item")
+    .max(200, "entries must contain at most 200 items"),
+  validateKeys: z.boolean().optional(),
+});
+
 // ──── Bulk Web-Session Import Schema ────
 
 export const bulkWebSessionImportSchema = z.object({
diff --git a/tests/unit/api/providers-import-route-6836.test.ts b/tests/unit/api/providers-import-route-6836.test.ts
new file mode 100644
index 0000000000..d1a85b54e5
--- /dev/null
+++ b/tests/unit/api/providers-import-route-6836.test.ts
@@ -0,0 +1,122 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+
+// #6836 — POST /api/providers/import: heterogeneous file-driven provider import.
+
+const TEST_DATA_DIR = fs.mkdtempSync(path.join(os.tmpdir(), "omniroute-providers-import-route-"));
+process.env.DATA_DIR = TEST_DATA_DIR;
+
+const core = await import("../../../src/lib/db/core.ts");
+const importRoute = await import("../../../src/app/api/providers/import/route.ts");
+
+async function resetStorage() {
+  core.resetDbInstance();
+  fs.rmSync(TEST_DATA_DIR, { recursive: true, force: true });
+  fs.mkdirSync(TEST_DATA_DIR, { recursive: true });
+}
+
+test.after(() => {
+  core.resetDbInstance();
+  fs.rmSync(TEST_DATA_DIR, { recursive: true, force: true });
+});
+
+function postImport(body: unknown) {
+  return importRoute.POST(
+    new Request("http://localhost/api/providers/import", {
+      method: "POST",
+      body: JSON.stringify(body),
+    })
+  );
+}
+
+test("providers import route returns 400 for invalid JSON", async () => {
+  await resetStorage();
+  const response = await importRoute.POST(
+    new Request("http://localhost/api/providers/import", { method: "POST", body: "not json" })
+  );
+  assert.equal(response.status, 400);
+});
+
+test("providers import route returns 400 for empty entries", async () => {
+  await resetStorage();
+  const response = await postImport({ entries: [] });
+  assert.equal(response.status, 400);
+});
+
+test("providers import route rejects an unknown provider id at the schema layer", async () => {
+  await resetStorage();
+  const response = await postImport({
+    entries: [{ provider: "totally-not-a-real-provider", name: "x", apiKey: "sk-1" }],
+  });
+  assert.equal(response.status, 400);
+});
+
+test("providers import route requires name and apiKey per entry", async () => {
+  await resetStorage();
+  const response = await postImport({
+    entries: [{ provider: "openai", name: "", apiKey: "sk-1" }],
+  });
+  assert.equal(response.status, 400);
+});
+
+test("providers import route imports a heterogeneous list with 200 + per-row results", async () => {
+  await resetStorage();
+  const response = await postImport({
+    entries: [
+      { provider: "openai", name: "Prod OpenAI", apiKey: "sk-openai-1" },
+      { provider: "anthropic", name: "Prod Anthropic", apiKey: "sk-anthropic-1" },
+    ],
+  });
+  assert.equal(response.status, 200);
+  const body = (await response.json()) as any;
+  assert.equal(body.total, 2);
+  assert.equal(body.success, 2);
+  assert.equal(body.failed, 0);
+  assert.equal(body.created.length, 2);
+  // Never echo the raw apiKey back.
+  assert.ok(body.created.every((c: any) => c.apiKey === undefined));
+  assert.deepEqual(
+    body.created.map((c: any) => c.provider).sort(),
+    ["anthropic", "openai"]
+  );
+});
+
+test("providers import route: partial-failure — unresolvable compatible node fails its own row only", async () => {
+  await resetStorage();
+  const response = await postImport({
+    entries: [
+      { provider: "openai", name: "Prod OpenAI", apiKey: "sk-openai-1" },
+      {
+        provider: "openai-compatible-unknown-node-id",
+        name: "Bad Compatible",
+        apiKey: "sk-bad-1",
+      },
+    ],
+  });
+  assert.equal(response.status, 200);
+  const body = (await response.json()) as any;
+  assert.equal(body.total, 2);
+  assert.equal(body.success, 1);
+  assert.equal(body.failed, 1);
+  assert.equal(body.errors[0].index, 1);
+  assert.equal(body.errors[0].message, "Provider node not found");
+  // Error responses/messages must never leak a raw stack trace (Hard Rule #12).
+  assert.ok(!JSON.stringify(body).includes(" at /"));
+});
+
+test("providers import route applies a per-entry baseUrl override for compatible providers", async () => {
+  await resetStorage();
+  // openai-compatible providers require a registered node; without one the row fails
+  // cleanly (asserted above). This test only proves the schema/route accept and forward
+  // a per-entry baseUrl for a first-party (non-compatible) provider without erroring.
+  const response = await postImport({
+    entries: [{ provider: "openai", name: "Prod", apiKey: "sk-1", baseUrl: "https://example.com" }],
+  });
+  assert.equal(response.status, 200);
+  const body = (await response.json()) as any;
+  assert.equal(body.success, 1);
+  assert.equal(body.created[0].providerSpecificData?.baseUrl, "https://example.com");
+});
diff --git a/tests/unit/parse-provider-import-6836.test.ts b/tests/unit/parse-provider-import-6836.test.ts
new file mode 100644
index 0000000000..31557f8842
--- /dev/null
+++ b/tests/unit/parse-provider-import-6836.test.ts
@@ -0,0 +1,120 @@
+import { test } from "node:test";
+import assert from "node:assert/strict";
+import { parseProviderImportFile } from "../../src/app/(dashboard)/dashboard/providers/components/parseProviderImportFile.ts";
+
+// #6836 — Import providers from CSV/JSON file: parser unit tests.
+
+test("parseProviderImportFile (csv) parses a heterogeneous provider list", () => {
+  const csv = [
+    "provider,name,apiKey,baseUrl,priority",
+    "openai,Prod OpenAI,sk-openai-1,,1",
+    "anthropic,Prod Anthropic,sk-anthropic-1,,2",
+    "openai-compatible-foo,Custom Endpoint,sk-custom-1,https://foo.example.com,",
+  ].join("\n");
+
+  const result = parseProviderImportFile(csv, "csv");
+
+  assert.equal(result.errors.length, 0);
+  assert.equal(result.entries.length, 3);
+  assert.deepEqual(result.entries[0], {
+    provider: "openai",
+    name: "Prod OpenAI",
+    apiKey: "sk-openai-1",
+    priority: 1,
+  });
+  assert.deepEqual(result.entries[2], {
+    provider: "openai-compatible-foo",
+    name: "Custom Endpoint",
+    apiKey: "sk-custom-1",
+    baseUrl: "https://foo.example.com",
+  });
+});
+
+test("parseProviderImportFile (csv) skips comments and blank lines, counts them as skipped", () => {
+  const csv = ["# a comment", "", "openai,Prod,sk-1,,"].join("\n");
+  const result = parseProviderImportFile(csv, "csv");
+  assert.equal(result.entries.length, 1);
+  assert.equal(result.skipped, 2);
+});
+
+test("parseProviderImportFile (csv) works without a header row", () => {
+  const csv = "anthropic,My Key,sk-abc";
+  const result = parseProviderImportFile(csv, "csv");
+  assert.equal(result.entries.length, 1);
+  assert.equal(result.entries[0].provider, "anthropic");
+});
+
+test("parseProviderImportFile (csv) rejects a row missing required fields", () => {
+  const csv = [
+    "provider,name,apiKey",
+    ",Missing Provider,sk-1",
+    "openai,,sk-2",
+    "openai,Missing Key,",
+  ].join("\n");
+  const result = parseProviderImportFile(csv, "csv");
+  assert.equal(result.entries.length, 0);
+  assert.equal(result.errors.length, 3);
+  assert.equal(result.errors[0].reason, "importErrorMissingProvider");
+  assert.equal(result.errors[1].reason, "importErrorMissingName");
+  assert.equal(result.errors[2].reason, "importErrorMissingApiKey");
+});
+
+test("parseProviderImportFile (csv) rejects a malformed row with too few columns", () => {
+  const csv = "provider,name,apiKey\nopenai,OnlyName";
+  const result = parseProviderImportFile(csv, "csv");
+  assert.equal(result.entries.length, 0);
+  assert.equal(result.errors.length, 1);
+  assert.equal(result.errors[0].reason, "importErrorMalformedRow");
+});
+
+test("parseProviderImportFile (csv) rejects an out-of-range priority", () => {
+  const csv = "openai,Prod,sk-1,,999";
+  const result = parseProviderImportFile(csv, "csv");
+  assert.equal(result.entries.length, 0);
+  assert.equal(result.errors[0].reason, "importErrorInvalidPriority");
+});
+
+test("parseProviderImportFile (json) parses a heterogeneous provider list", () => {
+  const json = JSON.stringify([
+    { provider: "openai", name: "Prod OpenAI", apiKey: "sk-openai-1" },
+    {
+      provider: "anthropic-compatible-bar",
+      name: "Custom Anthropic",
+      apiKey: "sk-bar-1",
+      baseUrl: "https://bar.example.com",
+      priority: 5,
+    },
+  ]);
+
+  const result = parseProviderImportFile(json, "json");
+  assert.equal(result.errors.length, 0);
+  assert.equal(result.entries.length, 2);
+  assert.equal(result.entries[1].priority, 5);
+  assert.equal(result.entries[1].baseUrl, "https://bar.example.com");
+});
+
+test("parseProviderImportFile (json) rejects malformed JSON", () => {
+  const result = parseProviderImportFile("{not valid json", "json");
+  assert.equal(result.entries.length, 0);
+  assert.equal(result.errors.length, 1);
+  assert.equal(result.errors[0].reason, "importErrorMalformedRow");
+});
+
+test("parseProviderImportFile (json) rejects a non-array top-level value", () => {
+  const result = parseProviderImportFile(JSON.stringify({ provider: "openai" }), "json");
+  assert.equal(result.entries.length, 0);
+  assert.equal(result.errors[0].reason, "importErrorNotArray");
+});
+
+test("parseProviderImportFile (json) reports per-row errors and keeps parsing the rest", () => {
+  const json = JSON.stringify([
+    { provider: "openai", name: "Prod", apiKey: "sk-1" },
+    { provider: "", name: "Bad Row", apiKey: "sk-2" },
+    { provider: "anthropic", name: "Prod2", apiKey: "sk-3" },
+  ]);
+  const result = parseProviderImportFile(json, "json");
+  assert.equal(result.entries.length, 2);
+  assert.equal(result.errors.length, 1);
+  assert.equal(result.errors[0].line, 2);
+  assert.equal(result.errors[0].reason, "importErrorMissingProvider");
+});