{"uid":"cap_JxsFg4a3VIWcH3BIGt7jC","slug":"netintel-openai-compatible-gpt-5-nano-chat-completion-52d03d0e","name":"NetIntel OpenAI-Compatible GPT-5-Nano Chat Completion","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-5-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":{"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_completion_tokens":{"type":"number","description":"Max output tokens. Optional — defaults to 1024, capped at 1024."}}},"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-5-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_F0zPN2sFUZBsXD3yzPE6P","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":"Provides an OpenAI-compatible chat completion endpoint powered by GPT-5-Nano, accessible via x402 pay-per-call micropayments with no API key required.","exampleAgentPrompt":"Send this message to GPT-5-Nano and return the response: 'Summarize the concept of neural networks in two sentences.'","exampleUseCases":null,"resultDescription":"Returns an OpenAI-format chat completion object including the assistant's message content, finish reason, model name (gpt-5-nano), token usage breakdown (prompt, completion, total tokens), and a unique completion ID.","failureModes":["Input validation rejection — malformed message array or missing required fields; not billed","Upstream OpenAI failure — model unavailable or timeout; not billed","x402 payment failure — insufficient USDC balance or incorrect payment header","Rate limiting or quota exceeded on the upstream model provider","Empty or truncated completion if max_tokens is too low"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, fast, OpenAI-compatible text generation call with no API key or signup — ideal for agent workflows that want pay-per-call billing in USDC, zero fixed costs, and compatibility with the OpenAI chat completion message format. Best for simple inference tasks where GPT-5-Nano's smaller footprint is sufficient.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:54:16.902Z","isFirstParty":false}