{"uid":"cap_oDq-3_YH_fLOhFjmagoF8","slug":"pennyrail-ai-chat-mini-agent-8f882d3b","name":"PennyRail AI Chat Mini Agent","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/premium/ai.chat-mini--agent-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_L-kvNPolFsZl9RPsF_IuR","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":"Invokes a paid AI chat mini-agent via x402 micropayment settlement, accepting an input object and returning an AI-generated response","exampleAgentPrompt":"Send this message to the AI chat mini-agent and get a response: 'What are the top three strategies for reducing customer churn in a SaaS business?'","exampleUseCases":[{"title":"Quick AI answer for agent pipeline","prompt":"Ask the AI chat mini-agent: 'Summarize the key differences between REST and GraphQL in three bullet points' and give me the response."},{"title":"Automated content draft generation","prompt":"Use the pay-per-call AI chat agent to draft a short product description for a reusable water bottle called HydroLoop — keep it under 60 words and punchy."},{"title":"Agent-to-agent task delegation","prompt":"Pass this task to the AI mini-agent: 'Given a list of customer complaints about slow delivery, identify the top two root causes and suggest one fix for each.'"}],"resultDescription":"Returns a JSON object containing the AI-generated chat response or agent output corresponding to the provided input. The response schema is open-ended (additionalProperties: true), so the structure may vary but typically includes the model's reply text and possibly metadata about the invocation.","failureModes":["Payment not provided or insufficient USDC balance — returns 402 Payment Required","Malformed input object missing the required 'input' field — returns 400 Bad Request","x402 settlement failure or network error — returns 5xx server error","Empty or null input object may produce a low-quality or empty AI response","Rate limiting or quota exceeded on the underlying AI model — returns 429 Too Many Requests"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-use AI chat agent accessible via x402 micropayment (USDC) at $0.02 per call — ideal for agent pipelines that need occasional AI inference without a subscription, or when building on the Coinbase/x402 payment stack and want a pre-integrated AI chat capability.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:57:18.355Z","isFirstParty":false}