{"uid":"cap_LqWCnd95Z9ChILQut0VIv","slug":"pennyrail-ai-chat-mini-proven-v1-98d10831","name":"PennyRail AI Chat Mini (proven-v1)","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/premium/ai.chat-mini--proven-v1-chat","method":"POST","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"input":{"type":"object"}}},"responseSchema":{"type":"object","additionalProperties":true},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_qHHmW4649rG0fYlk4x6p_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Provides a paid AI chat completion via a micropayment-gated endpoint using the x402 protocol, returning a chat response for a given input object.","exampleAgentPrompt":"Send my message 'What are three tips for writing better Python code?' to the PennyRail proven chat mini model and give me back its response — I'm okay with the $0.02 USDC per-call charge.","exampleUseCases":[{"title":"Quick AI answer for a dev tool","prompt":"Ask the PennyRail mini chat model to explain what a Python decorator is in two sentences — charge the $0.02 USDC and return the answer."},{"title":"Per-call AI in an automated pipeline","prompt":"In my content pipeline, send this product description to the PennyRail proven-v1 chat endpoint and have it rewrite it in a more friendly tone — use USDC micropayment per call."},{"title":"On-demand AI Q&A with metered billing","prompt":"I want to ask the PennyRail mini AI 'What's the difference between REST and GraphQL?' and pay per use — go ahead and make the call."}],"resultDescription":"Returns a JSON object containing the AI-generated chat response to the provided input. The response schema is open (additionalProperties: true), so the agent receives the model's reply along with any additional metadata the service includes.","failureModes":["Payment not included or insufficient USDC — 402 Payment Required response","Malformed input object — missing required 'input' field returns validation error","Service unavailable or rate-limited — 503 or 429 response","Invalid or expired payment credential — payment rejected by x402 facilitator","Unexpected model error — 500 Internal Server Error with no structured body"],"whenToPreferThis":"Choose this endpoint when you need a low-cost, per-call AI chat completion billed in USDC via the x402 micropayment protocol, especially in agent workflows where pay-per-use metering is required. It is well-suited for pipelines that want to avoid subscription billing and instead pay $0.02 per query. Prefer it over generic LLM APIs when your infrastructure already supports x402 payments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:21:43.397Z","isFirstParty":false}