From d139b4557f20f69d55010135905d55ed29fb0c75 Mon Sep 17 00:00:00 2001
From: Regis <92858615+Regis-RCR@users.noreply.github.com>
Date: Mon, 16 Mar 2026 12:39:23 +0100
Subject: [PATCH] feat(api): add Synthetic as a new API key provider

Add Synthetic (synthetic.new) as a privacy-focused LLM provider
with OpenAI-compatible API, dynamic model catalog via /models
endpoint, and passthrough model support.

- Register provider in providerRegistry.ts with 6 initial models
- Add APIKEY_PROVIDERS entry with verified_user icon (#6366F1)
- Add models listing config for /api/providers/[id]/models endpoint
- passthroughModels enabled for dynamic model catalog
---
 open-sse/config/providerRegistry.ts        | 20 ++++++++++++++++++++
 src/app/api/providers/[id]/models/route.ts |  8 ++++++++
 src/shared/constants/providers.ts          | 10 ++++++++++
 3 files changed, 38 insertions(+)

diff --git a/open-sse/config/providerRegistry.ts b/open-sse/config/providerRegistry.ts
index cd0f2b7959..531c111c4b 100644
--- a/open-sse/config/providerRegistry.ts
+++ b/open-sse/config/providerRegistry.ts
@@ -919,6 +919,26 @@ export const REGISTRY: Record<string, RegistryEntry> = {
     ],
   },
 
+  synthetic: {
+    id: "synthetic",
+    alias: "synthetic",
+    format: "openai",
+    executor: "default",
+    baseUrl: "https://api.synthetic.new/openai/v1/chat/completions",
+    modelsUrl: "https://api.synthetic.new/openai/v1/models",
+    authType: "apikey",
+    authHeader: "bearer",
+    models: [
+      { id: "hf:nvidia/Kimi-K2.5-NVFP4", name: "Kimi K2.5 (NVFP4)" },
+      { id: "hf:MiniMaxAI/MiniMax-M2.5", name: "MiniMax M2.5" },
+      { id: "hf:zai-org/GLM-4.7-Flash", name: "GLM 4.7 Flash" },
+      { id: "hf:zai-org/GLM-4.7", name: "GLM 4.7" },
+      { id: "hf:moonshotai/Kimi-K2.5", name: "Kimi K2.5" },
+      { id: "hf:deepseek-ai/DeepSeek-V3.2", name: "DeepSeek V3.2" },
+    ],
+    passthroughModels: true,
+  },
+
   vertex: {
     id: "vertex",
     alias: "vertex",
diff --git a/src/app/api/providers/[id]/models/route.ts b/src/app/api/providers/[id]/models/route.ts
index 64b35b1288..216bafd0bc 100644
--- a/src/app/api/providers/[id]/models/route.ts
+++ b/src/app/api/providers/[id]/models/route.ts
@@ -255,6 +255,14 @@ const PROVIDER_MODELS_CONFIG: Record<string, ProviderModelsConfigEntry> = {
     authPrefix: "Bearer ",
     parseResponse: (data) => data.models || data.data || [],
   },
+  synthetic: {
+    url: "https://api.synthetic.new/openai/v1/models",
+    method: "GET",
+    headers: { "Content-Type": "application/json" },
+    authHeader: "Authorization",
+    authPrefix: "Bearer ",
+    parseResponse: (data) => data.data || data.models || [],
+  },
 };
 
 /**
diff --git a/src/shared/constants/providers.ts b/src/shared/constants/providers.ts
index dd6ca4dcb8..53871bc490 100644
--- a/src/shared/constants/providers.ts
+++ b/src/shared/constants/providers.ts
@@ -360,6 +360,16 @@ export const APIKEY_PROVIDERS = {
     hasFree: true,
     freeNote: "Free Inference API for thousands of models (Whisper, VITS, SDXL…)",
   },
+  synthetic: {
+    id: "synthetic",
+    alias: "synthetic",
+    name: "Synthetic",
+    icon: "verified_user",
+    color: "#6366F1",
+    textIcon: "SY",
+    website: "https://synthetic.new",
+    passthroughModels: true,
+  },
   vertex: {
     id: "vertex",
     alias: "vertex",