{"uid":"cap_038Rv9WiHXD_37Rw8B5rF","slug":"netintel-gpt-4-1-nano-chat-completions-d2f44fd4","name":"NetIntel GPT-4.1-nano Chat Completions","description":"Network intelligence API — 138 endpoints, all pay-per-call via x402 micropayments (USDC on Base or Solana mainnet).\n\nNetIntel is agent fair-trade aligned: transparent per-call pricing in USDC on Base or Solana via x402, no API keys or signup, and automatic no-charge on server errors, upstream failures, and input-validation rejections — failed calls are never billed across NetIntel's network, domain, and data-intelligence endpoints.","url":"https://netintel-production-440c.up.railway.app/openai/gpt-4-1-nano","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","required":["messages"],"properties":{"top_p":{"type":"number","description":"Nucleus sampling. Optional."},"messages":{"type":"array","items":{"type":"object","required":["role","content"],"properties":{"role":{"type":"string","description":"system, user, or assistant"},"content":{"type":"string","description":"Message text"}}},"description":"OpenAI chat messages: [{role:'system'|'user'|'assistant', content:string}]. Input capped ~24000 chars total."},"max_tokens":{"type":"number","description":"Max output tokens. Optional — defaults to 1024, capped at 1024."},"temperature":{"type":"number","description":"Sampling temperature. Optional."}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"id":{"type":"string"},"model":{"type":"string"},"usage":{"type":"object","description":"prompt_tokens, completion_tokens, total_tokens"},"object":{"type":"string","description":"Always 'chat.completion'"},"choices":{"type":"array","description":"Assistant message + finish_reason."},"created":{"type":"number","description":"Unix timestamp (seconds)"}}}}}}},"responseSchema":{"type":"json","example":{"id":"chatcmpl-abc123","model":"gpt-4.1-nano","usage":{"total_tokens":13,"prompt_tokens":11,"completion_tokens":2},"object":"chat.completion","choices":[{"index":0,"message":{"role":"assistant","content":"Hi!"},"finish_reason":"stop"}],"created":1735689600}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_fQ5hRwJapF2i8hB77OgOV","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Proxies OpenAI-compatible chat completion requests to GPT-4.1-nano via pay-per-call x402 micropayments, returning structured chat completion responses","exampleAgentPrompt":"Ask GPT-4.1-nano to summarize the following text in 3 bullet points using pay-per-call pricing — no API key needed: 'Artificial intelligence is transforming industries by automating complex tasks, improving decision-making, and enabling new forms of human-computer interaction.'","exampleUseCases":[{"title":"Agentic pipeline LLM inference","prompt":"I need to add a fast, cheap LLM step to my agent workflow — call GPT-4.1-nano with the system message 'You are a concise summarizer' and user message 'Summarize this support ticket: Customer reports login failure after password reset' and give me back the assistant response."},{"title":"No-signup GPT-4 text generation","prompt":"Generate a professional out-of-office email reply using GPT-4.1-nano — system prompt: 'You write short professional emails', user message: 'Write an out-of-office reply saying I am away until Monday and to contact Sarah for urgent matters' — I want to pay per call without creating an OpenAI account."},{"title":"Multi-turn conversation completion","prompt":"Continue this conversation with GPT-4.1-nano: system says 'You are a helpful cooking assistant', user asked 'What is a good substitute for buttermilk?', assistant replied 'Mix 1 cup of milk with 1 tablespoon of vinegar', and now the user says 'How long do I let it sit?' — get me the next response."}],"resultDescription":"A standard OpenAI chat.completion JSON object containing the assistant's reply message, finish reason (e.g. 'stop'), token usage breakdown (prompt_tokens, completion_tokens, total_tokens), the model name ('gpt-4.1-nano'), a unique completion ID, and a Unix creation timestamp. The choices array holds the assistant message with role and content fields.","failureModes":["Input messages array exceeds ~24000 character cap — request rejected without charge","max_tokens set above 1024 — capped silently or rejected","Upstream OpenAI service failure — no charge applied per NetIntel policy","Malformed messages array (missing role or content fields) — validation rejection, no charge","x402 payment not included or insufficient — 402 response returned before processing","Temperature or top_p out of valid range — validation error"],"whenToPreferThis":"Choose this endpoint when you need GPT-4.1-nano chat completions without an OpenAI account or API key, want true pay-per-call billing in USDC with no monthly subscription, are operating in an agentic pipeline that handles x402 micropayments natively, or need the guarantee that failed/errored calls are never billed. Prefer it over direct OpenAI API when cost predictability per call matters more than model variety or when building keyless, signup-free AI pipelines.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:39:24.051Z","isFirstParty":false}