{"uid":"cap_r52B9a9u3wwBbguqTdh9S","slug":"httpay-xyz-openai-api-gateway-x402-pay-per-call-e3357c81","name":"httpay.xyz OpenAI API Gateway (x402 Pay-Per-Call)","description":"API Gateway: OpenAI API","url":"https://httpay.xyz/api/gateway/openai/%7B*path%7D","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_03s6p2nZ9RuXc2TiPaw0h","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Proxies requests to the OpenAI API via a pay-per-call x402/USDC payment gateway, requiring no API keys — just a USDC micropayment per call","exampleAgentPrompt":"Send a chat completion request to OpenAI's GPT-4o model asking 'What are the three laws of thermodynamics?' — pay per call using USDC via the httpay.xyz x402 gateway instead of using my own OpenAI API key.","exampleUseCases":null,"resultDescription":"The standard OpenAI API JSON response for the proxied endpoint — e.g. a chat completion object with choices, usage stats, and model metadata — identical to what the OpenAI API itself would return, after deducting $0.005 USDC for the gateway call.","failureModes":["Insufficient USDC balance or payment failure returns 402 Payment Required","Invalid or unsupported OpenAI path returns 404 or 400","Malformed request body causes 400 Bad Request from upstream OpenAI","OpenAI rate limits or downtime propagate as 429 or 502 errors","Unsupported model or deprecated endpoint returns OpenAI error payload"],"whenToPreferThis":"Use this endpoint when you want to call the OpenAI API without managing your own OpenAI API key, when you want pure pay-per-call billing in USDC on Base, or when building an agent that needs to access OpenAI capabilities with crypto-native micropayments via the x402 protocol.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-12T00:30:01.749Z","isFirstParty":false}