{"slug":"netintel-dev-openai-gpt-4o-b59dc5","title":"Call OpenAI's gpt-4o via a single pay-per-call x402 endpoint — no OpenAI account","host":"netintel.dev","method":"POST","resource":"https://netintel.dev/openai/gpt-4o","category":"market","description":"Call OpenAI's gpt-4o via a single pay-per-call x402 endpoint — no OpenAI account or API key needed, pay $0.10 per request in USDC. Standard OpenAI chat.completions shape. EVERY call is bounded by a 16000-token combined input budget (real tokenizer) plus the 48000-char cap; output 2048. Vision: up to","price_listed":0.1,"price_asked":0.1,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":935,"reported_calls_30d":104,"reported_payers_30d":2,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"max_tokens":16,"messages":[{"content":"Say hi in one word.","role":"user"}]},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"properties":{"max_tokens":{"description":"Max output tokens. Optional — defaults to 2048, capped at 2048.","type":"number"},"messages":{"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.","items":{"properties":{"content":{"description":"Message text, or content parts: {type:'text',text} / {type:'image_url',image_url:{url,detail}}"},"role":{"description":"system, user, or assistant","type":"string"}},"required":["role","content"],"type":"object"},"type":"array"},"temperature":{"description":"Sampling temperature. Optional.","type":"number"},"top_p":{"description":"Nucleus sampling. Optional.","type":"number"}},"required":["messages"],"type":"object"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"properties":{"choices":{"description":"Assistant message + finish_reason.","type":"array"},"created":{"description":"Unix timestamp (seconds)","type":"number"},"id":{"type":"string"},"model":{"type":"string"},"object":{"description":"Always 'chat.completion'","type":"string"},"usage":{"description":"prompt_tokens, completion_tokens, total_tokens","type":"object"}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.1,"price_match":true,"latency_ms":935,"error":null}],"description_full":"Call OpenAI's gpt-4o via a single pay-per-call x402 endpoint — no OpenAI account or API key needed, pay $0.10 per request in USDC. Standard OpenAI chat.completions shape. EVERY call is bounded by a 16000-token combined input budget (real tokenizer) plus the 48000-char cap; output 2048. Vision: up to 4 https image_url parts (detail low/high/auto).","last_updated":"2026-09-24T13:02:40.373Z","schemes":["exact"]}