${currentProvider}

`;\n }\n modelListHTML += `\n

\n $\"${\n$ \n ${parts[1]} - ${\n parts[2]\n }\n

\n `;\n }\n }\n\n return new Response(\n `\n \n \n \n AI Chat API - Pure Middleman\n \n \n \n

🤖 AI Chat API - Pure Middleman

Does NOT save anything - just forwards requests with memory token!

📚 Available Models (${lines.length})

${modelListHTML}\n

📚 Endpoints

\n GET /genchat?model=gateway-gpt-5-5\n
Generate a chat with memory token\n

\n POST /chat\n
Forward message - Body: { \"message\": \"Hello\", \"memoryToken\": \"token\", \"conversation\": [] }\n

\n GET /chat?message=Hello&memoryToken=token&model=gateway-gpt-5\n
Forward message with query params\n

\n GET /models\n
List available models\n

\n GET /health\n
Health check\n

🚀 Quick Test

Generate token: /genchat?model=gateway-gpt-5-5
Copy the memoryToken
Send message: /chat?message=Hello&memoryToken=YOUR_TOKEN

\n \n \n `,\n {\n status: 200,\n headers: { \"Content-Type\": \"text/html\" },\n },\n );\n }\n\n // ============================================================\n // GET /models - List models\n // ============================================================\n if (method === \"GET\" && pathname === \"/models\") {\n const models = getModelsArray();\n return new Response(\n JSON.stringify({\n models: models,\n default: \"gateway-gpt-5-5\",\n total: models.length,\n }),\n {\n status: 200,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n }\n\n // ============================================================\n // GET /health - Health check\n // ============================================================\n if (method === \"GET\" && pathname === \"/health\") {\n return new Response(\n JSON.stringify({\n status: \"healthy\",\n timestamp: Date.now(),\n }),\n {\n status: 200,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n }\n\n // ============================================================\n // GET /genchat - Generate memory token only\n // ============================================================\n if (method === \"GET\" && pathname === \"/genchat\") {\n try {\n const model = url.searchParams.get(\"model\") || \"gateway-gpt-5-5\";\n const memoryToken = generateMemoryToken();\n\n return new Response(\n JSON.stringify({\n memoryToken: memoryToken,\n model: model,\n message: `Memory token generated for model: ${model}`,\n }),\n {\n status: 200,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n } catch (error) {\n return new Response(\n JSON.stringify({\n error: \"Internal server error\",\n message: error.message,\n }),\n {\n status: 500,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n }\n }\n\n // ============================================================\n // POST /chat - PURE MIDDLEMAN - Forwards to unlimited.surf\n // ============================================================\n if (method === \"POST\" && pathname === \"/chat\") {\n try {\n const data = await req.json();\n\n // Validate required fields\n if (!data || !data.message) {\n return new Response(\n JSON.stringify({\n error: \"message is required\",\n }),\n {\n status: 400,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n }\n\n // Build payload for unlimited.surf\n const payload = {\n message: data.message,\n model: data.model || \"gateway-gpt-5\",\n memoryToken: data.memoryToken || generateMemoryToken(),\n remember: data.remember !== undefined ? data.remember : true,\n conversation: data.conversation || [],\n customInstructions: data.customInstructions || \"\",\n effort: data.effort || \"medium\",\n };\n\n console.log(\n `📤 Forwarding message with token: ${\n payload.memoryToken.substring(0, 20)\n }...`,\n );\n console.log(`💬 Conversation length: ${payload.conversation.length}`);\n\n // Forward to unlimited.surf API\n const response = await fetch(\"https://unlimited.surf/api/chat\", {\n method: \"POST\",\n headers: {\n \"Authorization\": `Bearer ${API_KEY}`,\n \"Content-Type\": \"application/json\",\n },\n body: JSON.stringify(payload),\n });\n\n if (!response.ok) {\n // If token expired, generate new one and retry\n if (response.status === 404 || response.status === 400) {\n const newToken = generateMemoryToken();\n console.log(\n `🔄 Token expired, retrying with new token: ${\n newToken.substring(0, 20)\n }...`,\n );\n\n payload.memoryToken = newToken;\n const retryResponse = await fetch(\"https://unlimited.surf/api/chat\", {\n method: \"POST\",\n headers: {\n \"Authorization\": `Bearer ${API_KEY}`,\n \"Content-Type\": \"application/json\",\n },\n body: JSON.stringify(payload),\n });\n\n if (!retryResponse.ok) {\n throw new Error(`API error: ${retryResponse.status}`);\n }\n\n // Stream the retry response\n const reader = retryResponse.body?.getReader();\n if (!reader) {\n throw new Error(\"No response body\");\n }\n\n const { readable, writable } = new TransformStream();\n const writer = writable.getWriter();\n\n (async () => {\n try {\n while (true) {\n const { done, value } = await reader.read();\n if (done) break;\n await writer.write(value);\n }\n await writer.close();\n } catch (e) {\n await writer.abort(e);\n }\n })();\n\n return new Response(readable, {\n status: 200,\n headers: {\n \"Content-Type\": \"text/event-stream\",\n \"Cache-Control\": \"no-cache\",\n \"X-Accel-Buffering\": \"no\",\n },\n });\n }\n\n throw new Error(`API error: ${response.status}`);\n }\n\n // Stream the response back\n const reader = response.body?.getReader();\n if (!reader) {\n throw new Error(\"No response body\");\n }\n\n const { readable, writable } = new TransformStream();\n const writer = writable.getWriter();\n\n (async () => {\n try {\n while (true) {\n const { done, value } = await reader.read();\n if (done) break;\n await writer.write(value);\n }\n await writer.close();\n } catch (e) {\n await writer.abort(e);\n }\n })();\n\n return new Response(readable, {\n status: 200,\n headers: {\n \"Content-Type\": \"text/event-stream\",\n \"Cache-Control\": \"no-cache\",\n \"X-Accel-Buffering\": \"no\",\n },\n });\n } catch (error) {\n return new Response(\n JSON.stringify({\n error: \"Error forwarding request\",\n message: error.message,\n }),\n {\n status: 500,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n }\n }\n\n // ============================================================\n // GET /chat - PURE MIDDLEMAN with query params\n // ============================================================\n if (method === \"GET\" && pathname === \"/chat\") {\n try {\n const message = url.searchParams.get(\"message\");\n const memoryToken = url.searchParams.get(\"memoryToken\") ||\n generateMemoryToken();\n const model = url.searchParams.get(\"model\") || \"gateway-gpt-5\";\n const conversationParam = url.searchParams.get(\"conversation\");\n\n if (!message) {\n return new Response(\n JSON.stringify({\n error: \"message is required as query parameter\",\n }),\n {\n status: 400,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n }\n\n let conversation = [];\n if (conversationParam) {\n try {\n conversation = JSON.parse(conversationParam);\n } catch (e) {\n // If parsing fails, use empty array\n console.log(\"Invalid conversation JSON, using empty array\");\n }\n }\n\n // Build payload\n const payload = {\n message: message,\n model: model,\n memoryToken: memoryToken,\n remember: true,\n conversation: conversation,\n customInstructions: \"\",\n effort: \"medium\",\n };\n\n console.log(`📤 GET forwarding: \"${message}\"`);\n console.log(`🔑 Token: ${memoryToken.substring(0, 20)}...`);\n\n // Forward to unlimited.surf\n const response = await fetch(\"https://unlimited.surf/api/chat\", {\n method: \"POST\",\n headers: {\n \"Authorization\": `Bearer ${API_KEY}`,\n \"Content-Type\": \"application/json\",\n },\n body: JSON.stringify(payload),\n });\n\n if (!response.ok) {\n if (response.status === 404 || response.status === 400) {\n const newToken = generateMemoryToken();\n payload.memoryToken = newToken;\n\n const retryResponse = await fetch(\"https://unlimited.surf/api/chat\", {\n method: \"POST\",\n headers: {\n \"Authorization\": `Bearer ${API_KEY}`,\n \"Content-Type\": \"application/json\",\n },\n body: JSON.stringify(payload),\n });\n\n if (!retryResponse.ok) {\n throw new Error(`API error: ${retryResponse.status}`);\n }\n\n const reader = retryResponse.body?.getReader();\n if (!reader) {\n throw new Error(\"No response body\");\n }\n\n const { readable, writable } = new TransformStream();\n const writer = writable.getWriter();\n\n (async () => {\n try {\n while (true) {\n const { done, value } = await reader.read();\n if (done) break;\n await writer.write(value);\n }\n await writer.close();\n } catch (e) {\n await writer.abort(e);\n }\n })();\n\n return new Response(readable, {\n status: 200,\n headers: {\n \"Content-Type\": \"text/event-stream\",\n \"Cache-Control\": \"no-cache\",\n \"X-Accel-Buffering\": \"no\",\n },\n });\n }\n\n throw new Error(`API error: ${response.status}`);\n }\n\n // Stream the response\n const reader = response.body?.getReader();\n if (!reader) {\n throw new Error(\"No response body\");\n }\n\n const { readable, writable } = new TransformStream();\n const writer = writable.getWriter();\n\n (async () => {\n try {\n while (true) {\n const { done, value } = await reader.read();\n if (done) break;\n await writer.write(value);\n }\n await writer.close();\n } catch (e) {\n await writer.abort(e);\n }\n })();\n\n return new Response(readable, {\n status: 200,\n headers: {\n \"Content-Type\": \"text/event-stream\",\n \"Cache-Control\": \"no-cache\",\n \"X-Accel-Buffering\": \"no\",\n },\n });\n } catch (error) {\n return new Response(\n JSON.stringify({\n error: \"Error forwarding request\",\n message: error.message,\n }),\n {\n status: 500,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n }\n }\n\n // ============================================================\n // 404 - Not Found\n // ============================================================\n return new Response(\n JSON.stringify({\n error: \"Route not found\",\n path: pathname,\n method: method,\n }),\n {\n status: 404,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n}","deleted","label",[107],"pulls","branches",1,"forks","envVars",{"_131":40,"_133":40},"connections",{"_131":40,"_132":40},"count","unfilledCount","emptyCount",{"_18":106,"_20":107,"_108":109,"_110":-5,"_111":66,"_112":64,"_113":100,"_22":135,"_63":115,"_116":117,"_118":119,"_120":26,"_121":-5,"_136":137,"_83":138},["D",1782244441810],"children",[],[107],["D",1781611200572],{"_16":17,"_81":77},{"_16":17,"_75":-5,"_76":77,"_33":34,"_78":79,"_80":26},{"_63":64,"_20":65,"_18":66,"_67":19,"_68":-5,"_69":-5,"_70":-5,"_71":-5,"_72":-5,"_73":21,"_74":17},"ctx",{"_56":-5,"_102":176,"_177":178,"_179":180,"_181":26,"_182":26,"_183":26,"_184":100,"_185":-5,"_186":-7,"_187":-7,"_188":40,"_189":26,"_190":26,"_191":-5,"_192":26,"_193":26,"_194":26,"_195":-5},"ENV",{"_147":148,"_149":150,"_151":65,"_152":153,"_154":155,"_156":157,"_158":159,"_160":161,"_162":163,"_164":165,"_166":167,"_168":169,"_170":171,"_172":173,"_174":175},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","e87eb04e707cf64e7e532c8e8ec395f209e17f15","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

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