{"uid":"cap_fKdwElLoepTbH-M-4LINV","slug":"model-access-gateway-gpt-6-1-sol-via-x402-afd8e8d3","name":"Model Access Gateway – GPT-6.1-Sol via x402","description":"LLM inference API: OpenAI-compatible chat completions for 136 AI models (Claude, GPT, Gemini, Grok, DeepSeek, Qwen, Kimi, GLM), paid per call in USDC on Base with x402. No account, no API key, automatic refund if the model fails.","url":"https://agent402-arb.rosariovitale0096.workers.dev/llm/gpt-6.1-sol?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"model":{"type":"string","description":"Optional: fixed by the route (openai/gpt-6.1-sol)"},"tools":{"type":"array"},"stream":{"type":"boolean","description":"true: server-sent events after payment"},"messages":{"type":"array","items":{"type":"object","required":["role"],"properties":{"role":{"enum":["system","user","assistant","tool","developer"],"type":"string"},"content":{"type":["string","array","null"]}}},"minItems":1},"max_tokens":{"type":"integer","maximum":16384,"minimum":1,"description":"Optional, default 4096"},"temperature":{"type":"number","maximum":2,"minimum":0},"response_format":{"type":"object"}}},"responseSchema":{"type":"json","example":{"id":"chatcmpl-7f3c2a91","model":"openai/gpt-6.1-sol","usage":{"total_tokens":10,"prompt_tokens":9,"completion_tokens":1},"object":"chat.completion","choices":[{"index":0,"message":{"role":"assistant","content":"OK"},"finish_reason":"stop"}],"created":1791979200}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0014","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":"$0.0014/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0014","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0014","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_G3TqRwIaOeHqkZGmgrgMW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0014","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Runs OpenAI-compatible chat completions against the GPT-6.1-Sol model, billed per-request in USDC on Base via x402 with no account or API key required.","exampleAgentPrompt":"Send this conversation to the GPT-6.1-Sol model and get back a chat completion — pay for it automatically with USDC on Base, no API key needed: messages are [{\"role\":\"user\",\"content\":\"Summarize the benefits of exercise in two sentences.\"}].","exampleUseCases":[{"title":"Permissionless LLM call in agent pipeline","prompt":"I need to call GPT-6.1-Sol to classify a customer support ticket as 'billing', 'technical', or 'general' — pay per request in USDC on Base, no API key. The ticket text is: 'My invoice shows a double charge from last month.'"},{"title":"One-off AI text generation without subscription","prompt":"Generate a three-sentence product description for my new ergonomic desk chair using GPT-6.1-Sol, and just charge the micropayment in USDC automatically — I don't want to set up an API account."},{"title":"Agent-to-agent LLM delegation","prompt":"Have the GPT-6.1-Sol model draft a concise reply to this email on my behalf and pay for the inference with USDC on Base via x402: the email says 'Can we reschedule our meeting to Thursday at 3pm?'"}],"resultDescription":"Returns a standard OpenAI chat.completion JSON object containing the assistant's reply message, the model used (openai/gpt-6.1-sol), token usage breakdown (prompt, completion, total), finish reason, and a unique completion ID.","failureModes":["Payment failure: x402 micropayment rejected or insufficient USDC balance on Base — request fails with 402 Payment Required","Invalid body format: missing required 'input' wrapper or incorrect bodyType enum value — returns 400 Bad Request","Model unavailable: the specific model slug (gpt-6.1-sol) is not available — returns 404 or 503","Malformed messages array: chat messages not formatted correctly per OpenAI spec — may return 422 or garbled output","Rate limiting: downstream provider throttles requests — returns 429 Too Many Requests"],"whenToPreferThis":"Choose this endpoint when you need OpenAI-compatible chat completions with no account setup, no API key management, and automatic per-request payment in USDC on Base via x402. Ideal for agentic and autonomous workflows where the agent pays for its own inference, for one-off tasks where a subscription is overkill, or when integrating crypto-native payment rails directly into an AI pipeline. Prefer alternatives (direct OpenAI API, Anthropic, etc.) if you already have API keys, need guaranteed SLA, or need models not available through this gateway.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T06:47:40.364Z","isFirstParty":false,"canonicalSlug":"model-access-gateway-gpt-6-1-sol-via-x402-afd8e8d3"}