{"uid":"cap_J9UV3uijCbIqpNl06wcKQ","slug":"netintel-dev-gpt-5-6-terra-chat-completion-x402-820258ff","name":"netintel.dev GPT-5.6-Terra Chat Completion (x402)","description":"Call OpenAI's gpt-5.6-terra via a single pay-per-call x402 endpoint — no OpenAI account or API key needed, pay $0.25 per request in USDC. Standard OpenAI chat.completions request/response shape, capped input and output. Search terms: OpenAI, gpt-5.6-terra, chat completion, LLM, no API key.","url":"https://netintel.dev/openai/gpt-5-6-terra","method":"POST","headers":{},"bodySchema":{"type":"object","$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 ~96000 chars total."},"max_completion_tokens":{"type":"number","description":"Max output tokens. Optional — defaults to 4096, capped at 4096."}}},"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-5.6-terra","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":"0.25","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_NXz1Z55v03sjLPzAVyXrq","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Proxies a single OpenAI gpt-5.6-terra chat completion request via x402 pay-per-call — no OpenAI account needed, pay $0.25 USDC per request.","exampleAgentPrompt":"Use the gpt-5.6-terra model to answer this question — I don't have an OpenAI key so pay the $0.25 per-call fee: 'Explain the key differences between transformer and Mamba architectures in plain English.'","exampleUseCases":[{"title":"One-off complex reasoning task","prompt":"I need a really thorough answer about how to structure a Series A term sheet — use the gpt-5.6-terra endpoint to generate it, I'm fine paying the per-call fee since I just need this once."},{"title":"Agent pipeline LLM step","prompt":"My automation needs to classify and summarize this support ticket using a top-tier LLM without me setting up an OpenAI account — call gpt-5.6-terra with the ticket text as the user message and return the assistant's reply."},{"title":"Ad-hoc code generation request","prompt":"Write me a Python function that parses nested JSON and flattens it to a single-level dict — use gpt-5.6-terra for the best result and just charge the USDC fee per call."}],"resultDescription":"Returns a standard OpenAI chat.completion JSON object containing: choices array with the assistant's message and finish_reason, usage object with prompt_tokens/completion_tokens/total_tokens, model name, completion ID, and Unix timestamp. Output is capped at 4096 tokens.","failureModes":["Payment failure: x402 payment not accepted or USDC balance insufficient — request rejected before reaching the model","Input too large: messages array exceeds ~96,000 total characters — truncation or rejection","Invalid message format: missing required role or content fields in messages array — 400 validation error","Model unavailable: upstream OpenAI gpt-5.6-terra outage or rate limit — 502 or 503 response","max_completion_tokens exceeded cap: values above 4096 are silently clamped to 4096"],"whenToPreferThis":"Choose this endpoint when you need gpt-5.6-terra specifically — the most capable model in the netintel.dev lineup — and want to avoid managing an OpenAI account or API key. It is best for high-stakes or complex reasoning tasks where model quality matters most and the $0.25/call cost is acceptable. Prefer cheaper sibling endpoints (gpt-4o-mini, gpt-5-nano) for high-volume or cost-sensitive workloads.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T08:06:41.321Z","isFirstParty":false}