diff --git a/src/app/(dashboard)/dashboard/providers/[id]/components/modals/AddApiKeyModal.tsx b/src/app/(dashboard)/dashboard/providers/[id]/components/modals/AddApiKeyModal.tsx
index f3e652425b..71dc8456f7 100644
--- a/src/app/(dashboard)/dashboard/providers/[id]/components/modals/AddApiKeyModal.tsx
+++ b/src/app/(dashboard)/dashboard/providers/[id]/components/modals/AddApiKeyModal.tsx
@@ -757,6 +757,12 @@ export default function AddApiKeyModal({
                   type="password"
                   value={formData.apiKey}
                   onChange={(e) => setFormData({ ...formData, apiKey: e.target.value })}
+                  onKeyDown={(e) => {
+                    if (e.key === "Enter" && !validating && !saving) {
+                      e.preventDefault();
+                      handleValidate();
+                    }
+                  }}
                   className="flex-1"
                   placeholder={apiCredentialPlaceholder}
                   hint={apiCredentialHint}
diff --git a/tests/unit/ui/add-api-key-modal-enter-key.test.ts b/tests/unit/ui/add-api-key-modal-enter-key.test.ts
new file mode 100644
index 0000000000..2532eb297e
--- /dev/null
+++ b/tests/unit/ui/add-api-key-modal-enter-key.test.ts
@@ -0,0 +1,26 @@
+import { describe, it } from "node:test";
+import assert from "node:assert/strict";
+import fs from "node:fs";
+import path from "node:path";
+
+describe("AddApiKeyModal Enter key submit (#10995)", () => {
+  it("AddApiKeyModal attaches onKeyDown Enter handler to the API Key input", () => {
+    const modalPath = path.resolve(
+      process.cwd(),
+      "src/app/(dashboard)/dashboard/providers/[id]/components/modals/AddApiKeyModal.tsx"
+    );
+    const content = fs.readFileSync(modalPath, "utf8");
+    assert.ok(
+      content.includes("onKeyDown"),
+      "AddApiKeyModal must contain onKeyDown event handler for Enter key validation"
+    );
+    assert.ok(
+      content.includes('e.key === "Enter"'),
+      "onKeyDown handler must check for Enter key press"
+    );
+    assert.ok(
+      content.includes("handleValidate()"),
+      "Enter key press must invoke handleValidate()"
+    );
+  });
+});