{"uid":"cap_2WV5HK7F0Sc0RjAbFtq3x","slug":"netintel-api-openai-gpt-4o-chat-proxy-610429c7","name":"NetIntel API – OpenAI GPT-4o Chat Proxy","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-4o","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":{"description":"Message text, or content parts: {type:'text',text} / {type:'image_url',image_url:{url,detail}}"}}},"description":"OpenAI chat messages: [{role, content}]. content is text, or parts: {type:'text',text} and (user role, max 4 per call) {type:'image_url',image_url:{url:'https://…',detail:'low'|'high'|'auto'}}. EVERY request — with or without images — must fit a 16000-token combined input budget and a 48000-char cap."},"max_tokens":{"type":"number","description":"Max output tokens. Optional — defaults to 2048, capped at 2048."},"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-4o","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":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_nh-nDQmRBvz007xvGAiPm","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Proxies chat completion requests to GPT-4o via x402 micropayment, returning standard OpenAI-compatible chat completion responses.","exampleAgentPrompt":"Use the NetIntel GPT-4o proxy to answer this question: 'What are the main causes of inflation?' — pay per call in USDC, no API key needed.","exampleUseCases":[{"title":"Pay-per-call GPT-4o Q&A","prompt":"I need to ask GPT-4o a one-off question without signing up for OpenAI — just charge me per call in USDC. Ask it: 'Summarize the key differences between TCP and UDP in two sentences.'"},{"title":"Agent using GPT-4o without subscription","prompt":"My automation workflow needs to call GPT-4o occasionally but I don't want a monthly subscription. Route this chat message to GPT-4o via NetIntel and pay per use: 'You are a helpful assistant. User: What is the capital of France?'"},{"title":"Serverless LLM text generation","prompt":"Generate a short product description for a standing desk using GPT-4o — I want to pay per call in USDC rather than maintain an OpenAI account."}],"resultDescription":"Returns an OpenAI-compatible chat.completion JSON object including the assistant's reply message, model name (gpt-4o), finish reason (e.g. 'stop'), token usage breakdown (prompt, completion, total tokens), and a unique completion ID.","failureModes":["Invalid or malformed message format returns a validation error with no charge","Upstream OpenAI outage or failure returns a server error with no charge billed","Insufficient USDC balance or failed x402 payment results in a 402 Payment Required response","Malformed JSON body causes input-validation rejection with no charge","Rate limits or timeouts from the upstream GPT-4o service may cause delayed or failed responses"],"whenToPreferThis":"Choose this endpoint when you need GPT-4o chat completions on a true pay-per-call basis with no API key, subscription, or signup — ideal for low-volume or sporadic workloads, agent pipelines that want transparent per-call USDC billing, or scenarios where maintaining an OpenAI account is impractical. Not suitable for high-volume workloads where a direct OpenAI subscription would be more cost-effective.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:45:48.470Z","isFirstParty":false}