{"uid":"cap_Y6hyhDvjEc_5g_tb7hjiy","slug":"netintel-dev-gpt-5-6-sol-chat-completions-pay-per-call-6901833a","name":"netintel.dev GPT-5.6-sol Chat Completions (Pay-per-call)","description":"Call OpenAI's gpt-5.6-sol via a single pay-per-call x402 endpoint — no OpenAI account or API key needed, pay $0.65 per request in USDC. Standard OpenAI chat.completions request/response shape, capped input and output. Search terms: OpenAI, gpt-5.6-sol, chat completion, LLM, no API key.","url":"https://netintel.dev/openai/gpt-5-6-sol","method":"POST","headers":{},"bodySchema":{"type":"object","$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 8192, capped at 8192."}}},"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-sol","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":"0.65","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":"$0.65/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.65","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.65","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_knVFCL-ZFNmTm2goCcY58","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.65","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Proxies a chat completion request to OpenAI's gpt-5.6-sol model via a pay-per-call x402 endpoint, requiring no OpenAI account or API key — just pay $0.65 USDC per call.","exampleAgentPrompt":"Without needing my OpenAI account, use gpt-5.6-sol to answer this question: 'What are the key differences between transformer and state-space models?' — just pay the per-call fee and give me the response.","exampleUseCases":[{"title":"One-off legal clause drafting","prompt":"Use gpt-5.6-sol to draft a short non-disclosure agreement clause for a software consulting engagement — I don't have an OpenAI API key set up, so use the pay-per-call route."},{"title":"Agent pipeline text summarization","prompt":"My automation needs to summarize this 3,000-word research abstract into 5 bullet points using gpt-5.6-sol — trigger the pay-per-call endpoint so I don't need to manage API credentials."},{"title":"Coding help without API subscription","prompt":"Ask gpt-5.6-sol to explain why this Python async function is deadlocking and suggest a fix — use the no-account pay-per-request option since I'm just testing something quick."}],"resultDescription":"Returns a standard OpenAI chat.completion JSON object containing: an `id`, `model` name, `created` Unix timestamp, `object` field set to 'chat.completion', a `choices` array with the assistant's reply and `finish_reason`, and a `usage` object with `prompt_tokens`, `completion_tokens`, and `total_tokens`. Output is capped at 8192 tokens.","failureModes":["Payment failure or insufficient USDC balance causes the request to be rejected before reaching the model","Input exceeding ~96,000 characters total will be rejected or truncated","max_completion_tokens set above 8192 will be capped silently at 8192","Malformed messages array (missing required role or content fields) returns a 400-level error","Model unavailability or upstream OpenAI outage may return a 502 or timeout"],"whenToPreferThis":"Choose this endpoint when you need to call OpenAI's gpt-5.6-sol model without provisioning an OpenAI account or managing API keys — ideal for agent pipelines, one-off tasks, or cost-controlled per-call usage billed in USDC. Prefer it over direct OpenAI API access when the overhead of account setup is undesirable or when using x402-based micropayment infrastructure. Choose a sibling endpoint (gpt-4o, gpt-4.1, gpt-5.1) if you need a different model tier or price point.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:49:42.293Z","isFirstParty":false}