{"uid":"cap_JU7N8LHUHICW8jIzLHT8o","slug":"fastapi-online-webhook-handler-generator-f6029a95","name":"fastapi.online — Webhook Handler Generator","description":"Chat, embeddings, OCR, speech-to-text, image editing, image understanding (captioning/Q&A), text-to-speech, translation, writing tools, classification tools, developer tools, local utilities, format/checksum validators, encoding & crypto utilities, date/time calculators, geo/coordinate math, math & finance calculators, novelty tools, and business/social writing generators — 179 endpoints in all, across multiple specialized self-hosted models. Pay per call with crypto — no signup — or get an API key.","url":"https://api.fastapi.online/generate-webhook-handler?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"events":{"type":"string","maxLength":300,"description":"events to handle"},"service":{"type":"string","maxLength":2000,"minLength":2,"description":"the service sending webhooks (e.g. Stripe, GitHub)"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"down","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_H8JeGo3k5zn3FEJVwRO51","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates webhook handler code for a specified service and set of events","exampleAgentPrompt":"Generate a webhook handler for Stripe that handles the payment_intent.succeeded and customer.subscription.deleted events.","exampleUseCases":[{"title":"Stripe payment event handler scaffold","prompt":"Write me a webhook handler for Stripe that processes payment_intent.succeeded and charge.refunded events — I need to plug it into my backend."},{"title":"GitHub CI/CD webhook integration","prompt":"Generate a webhook handler for GitHub that listens for push and pull_request events so I can trigger my CI pipeline automatically."},{"title":"Shopify order fulfillment automation","prompt":"Can you scaffold a webhook handler for Shopify that covers the orders/create and orders/fulfilled events for my e-commerce automation workflow?"}],"resultDescription":"Returns generated source code for a webhook handler that processes the specified events from the given service, ready to integrate into a backend application.","failureModes":["Unknown or unsupported service name may produce generic or low-quality code","Overly broad or vague event strings may yield incomplete handlers","Missing required 'service' field returns a validation error","Very long events strings exceeding maxLength are rejected"],"whenToPreferThis":"Choose this endpoint when you need quick, pay-per-call webhook handler scaffolding without signing up for a full code-generation platform. Ideal for agents automating developer workflows or helping users bootstrap integrations with common services like Stripe, GitHub, or Shopify.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T21:28:40.096Z","isFirstParty":false,"canonicalSlug":"fastapi-online-webhook-handler-generator-f6029a95"}