{"uid":"cap_WYrbCDN6Mo3XxXEC7Ysme","slug":"gpt-chat-completions-via-gpt-558686-xyz-4c002c64","name":"GPT Chat Completions via gpt.558686.xyz","description":"","url":"https://gpt.558686.xyz/v1/chat/completions?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"model":{"type":"string","description":"One of gpt-6-sol, gpt-6-astra, gpt-5.5, gpt-5.6-sol, gpt-5.6-terra (defaults to gpt-6-sol)"},"stream":{"type":"boolean","description":"Streaming is accepted but currently delivered as a single response"},"messages":{"type":"array","items":{"type":"object","required":["role","content"],"properties":{"role":{"enum":["system","user","assistant","tool"],"type":"string"},"content":{"type":"string"}}},"minItems":1,"description":"OpenAI-style messages array (required)"},"max_tokens":{"type":"integer"},"temperature":{"type":"number"},"response_format":{"type":"object"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_rOH1cTfmBZY7bYuNH_4eV","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Accepts a natural language prompt and returns an AI-generated chat completion response via a GPT-compatible endpoint.","exampleAgentPrompt":"Can you use the GPT chat completions endpoint to answer this question: 'What are three effective strategies for reducing customer churn in a SaaS business?'","exampleUseCases":[{"title":"AI-drafted customer support reply","prompt":"Write a professional and empathetic reply to this customer complaint: 'I've been waiting three weeks for my order and nobody has responded to my emails.'"},{"title":"Code explanation for non-technical stakeholder","prompt":"Explain what this Python function does in plain English so a non-technical manager can understand it: 'def calculate_churn_rate(lost, total): return (lost / total) * 100'"},{"title":"Brainstorm marketing taglines","prompt":"Give me five punchy marketing taglines for a new eco-friendly water bottle brand called 'Ripple' targeting young urban professionals."}],"resultDescription":"Returns an AI-generated text completion responding to the provided prompt. The response typically mirrors the format of an OpenAI chat completions API response, containing the model's generated message text based on the input task or question.","failureModes":["Missing or empty input prompt returns an error or empty response","Payment not fulfilled via x402 protocol results in 402 Payment Required","Malformed params object may cause unexpected behavior or ignored parameters","Model unavailable or backend timeout may result in a 503 or timeout error","Rate limiting may apply if the endpoint is overloaded"],"whenToPreferThis":"Choose this endpoint when you need a pay-per-call GPT-compatible chat completion without managing API keys or subscriptions, and you are already operating in an x402 micropayment-enabled agent environment. It is suitable for lightweight agentic tasks where per-call billing at $0.05 USDC is acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T01:19:48.634Z","isFirstParty":false,"canonicalSlug":"gpt-chat-completions-via-gpt-558686-xyz-4c002c64"}