{"uid":"cap_z9koxy-NvzQ3PBFbC7dWD","slug":"webhook-tester-api-2547929c","name":"Webhook Tester API","description":"One MCP endpoint gives your AI agent access to 100 APIs -- crypto, DeFi, web, AI, finance and utilities. No API keys, USDC on Base from $0.003/call.","url":"https://klymax402.com/api/webhook-tester/api/test","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","description":"Webhook URL to test (must be https)"},"body":{"type":"object","description":"JSON body to send"},"method":{"type":"string","description":"HTTP method: POST, PUT, PATCH, DELETE (default: POST)"},"headers":{"type":"object","description":"Custom headers as key-value pairs"},"timeout":{"type":"number","description":"Timeout in seconds (default: 10, max: 30)"}}},"responseSchema":{"type":"json","example":{"tls":true,"url":"example","method":"example","success":true,"finalUrl":"example","response":{},"latencyMs":1,"redirected":true}},"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":"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_zhLFvsLpOaCQRAq9zFFs9","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":"Sends an HTTP request to a specified webhook URL and returns the response, latency, TLS status, and redirect details","exampleAgentPrompt":"Can you test my webhook at https://myapp.example.com/hooks/orders by sending a POST request with the body {\"event\":\"order.created\",\"orderId\":\"12345\"} and tell me if it responds successfully, how fast it is, and whether TLS is valid?","exampleUseCases":[{"title":"Verify webhook before production launch","prompt":"Before I flip the switch on my new order notification system, can you ping my webhook at https://api.mystore.com/webhooks/orders with a test POST body like {\"event\":\"test\",\"status\":\"ok\"} and confirm it's responding correctly with TLS enabled?"},{"title":"Debug failing webhook delivery","prompt":"My payment processor says it's sending webhooks to https://payments.myapp.com/stripe/events but I'm not getting them — can you send a test POST there with headers {\"X-Test\":\"true\"} and body {\"type\":\"payment_intent.succeeded\"} and show me what response comes back?"},{"title":"Measure webhook endpoint latency","prompt":"I want to know how fast my webhook server at https://hooks.myservice.io/ingest responds — can you send it a PUT request with a 15-second timeout and report the latency in milliseconds?"}],"resultDescription":"A JSON object containing: success (boolean), HTTP response body, latency in milliseconds, TLS validity (boolean), the final URL after any redirects, whether the request was redirected, and the HTTP method used.","failureModes":["Webhook URL is not HTTPS — endpoint requires secure URLs only","Timeout exceeded (max 30 seconds) — returns error if target doesn't respond in time","Target server returns non-2xx status — success will be false but response is still returned","Network unreachable or DNS failure — returns error with no response body","Invalid JSON body provided — request may fail at serialization","Webhook URL is malformed or missing — returns validation error"],"whenToPreferThis":"Use this endpoint when you need to quickly test or debug a webhook endpoint without setting up a local environment — especially useful for confirming TLS, measuring response latency, inspecting response payloads, and verifying custom headers are accepted. Prefer this over manual curl commands or Postman when operating inside an AI agent workflow that needs programmatic webhook verification.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:59:52.484Z","isFirstParty":false}