[{"name":"Webhook Tester","url":"https://webhooktools.org/webhook-tester","description":"Free webhook tester: send payload to URL, get health score (status, latency, response). Test Stripe, GitHub, Shopify. No signup."},{"name":"API Response Analyzer","url":"https://webhooktools.org/api-response-analyzer","description":"Free API health check: GET request, check status, latency, Content-Type, JSON. Get API health score and recommendations."},{"name":"Security Headers Analyzer","url":"https://webhooktools.org/security-headers-analyzer","description":"Free security headers audit: check HTTPS, HSTS, CSP, CORS for any URL. Get security score and fix recommendations."},{"name":"Webhook Payload Viewer","url":"https://webhooktools.org/webhook-payload-viewer","description":"Inspect, format, and validate incoming webhook payloads. JSON pretty-print, syntax check. Free webhook debugger."},{"name":"Webhook Capture","url":"https://webhooktools.org/webhook-capture","description":"Get a unique URL to receive webhooks. See POST/GET requests in real time. Free webhook testing endpoint. No signup."},{"name":"API Header Inspector","url":"https://webhooktools.org/api-header-inspector","description":"Analyze request and response headers for any URL. See all headers, status, latency. Free API header viewer."},{"name":"CORS Checker","url":"https://webhooktools.org/cors-checker","description":"Test CORS policies for an endpoint. See Access-Control-Allow-Origin and headers. Debug cross-origin requests. Free online."},{"name":"Retry Simulator","url":"https://webhooktools.org/retry-simulator","description":"Test exponential backoff and retry logic. Simulate 5xx and timeout responses. Free retry testing tool."},{"name":"Auth Header Validator","url":"https://webhooktools.org/auth-header-validator","description":"Validate JWT, Bearer, and Basic Auth header structure. Check format before sending. Free auth header checker."},{"name":"Signature Validator","url":"https://webhooktools.org/signature-validator","description":"Verify HMAC signatures for Stripe, GitHub, Shopify webhooks. Test webhook signing. Free signature checker."},{"name":"Rate Limit Tester","url":"https://webhooktools.org/rate-limit-tester","description":"Analyze how endpoints handle heavy traffic and rate limiting. Test 429 responses. Free rate limit checker."},{"name":"REST Endpoint Tester","url":"https://webhooktools.org/rest-endpoint-tester","description":"REST API tester: send GET, POST, PUT, PATCH, DELETE with custom headers and body. Free API testing tool. No signup."},{"name":"JWT Decoder","url":"https://webhooktools.org/jwt-decoder","description":"JWT decoder: paste token, inspect header and payload claims. Free JWT viewer for debugging auth. Base64 decode."},{"name":"OpenAPI Validator","url":"https://webhooktools.org/openapi-validator","description":"Validate OpenAPI 2.0 / 3.x JSON structure and paths. Check spec before deploy. Free OpenAPI/Swagger validator."},{"name":"Latency Checker","url":"https://webhooktools.org/latency-checker","description":"Measure response time for an endpoint with multiple requests. Free latency tester. See min/max/avg. No signup."},{"name":"Response Schema Validator","url":"https://webhooktools.org/response-schema-validator","description":"Validate JSON against JSON Schema (draft-07). API response validator. Paste schema and payload. Free online."},{"name":"GraphQL Query Validator","url":"https://webhooktools.org/graphql-query-validator","description":"Validate GraphQL query, mutation, or subscription syntax. Check before sending. Free GraphQL validator."},{"name":"Timestamp Validator","url":"https://webhooktools.org/timestamp-validator","description":"Check if webhook timestamp is within tolerance (replay protection). Test Stripe/GitHub style timestamps. Free."},{"name":"Query String Parser","url":"https://webhooktools.org/query-string-parser","description":"Parse URL or raw query string into key-value parameters. Decode percent-encoding. Free query parser."},{"name":"Status Code Tester","url":"https://webhooktools.org/status-code-tester","description":"Send request, see HTTP status code, response time, and explanation. Free status code checker. No signup."},{"name":"Header Diff Checker","url":"https://webhooktools.org/header-diff-checker","description":"Compare two sets of HTTP headers: see added, removed, changed. Debug header differences. Free online tool."},{"name":"Auth Token Expiry Checker","url":"https://webhooktools.org/auth-token-expiry-checker","description":"Check JWT exp, iat, nbf: see if token is valid or expired. Free JWT expiry checker for auth debugging."},{"name":"429 Detector","url":"https://webhooktools.org/429-detector","description":"Send requests and detect when endpoint returns 429 Too Many Requests. Test rate limit behavior. Free tool."},{"name":"Idempotency Key Checker","url":"https://webhooktools.org/idempotency-key-checker","description":"Validate Idempotency-Key header format (UUID). Check before POST. Free idempotency key validator."},{"name":"Request Body Validator","url":"https://webhooktools.org/request-body-validator","description":"Check if request body is valid JSON before POST/PUT. Validate before sending. Free JSON body checker."},{"name":"HMAC Checker","url":"https://webhooktools.org/hmac-checker","description":"Compute HMAC-SHA256(secret, message) or verify webhook signature. Stripe, GitHub, Shopify. Free HMAC checker."},{"name":"Burst Simulation","url":"https://webhooktools.org/burst-simulation","description":"Fire many requests at once to simulate traffic spike. Stress test endpoint. Free burst load tester."},{"name":"Retry Logic Helper","url":"https://webhooktools.org/retry-logic-helper","description":"Suggested wait times for exponential backoff. Get retry intervals for 429, 5xx. Free retry calculator."},{"name":"API Error Code Analyzer","url":"https://webhooktools.org/api-error-code-analyzer","description":"HTTP error code lookup: status code meaning, suggested action. 4xx, 5xx explained. Free API error guide."},{"name":"Base64 Encoder / Decoder","url":"https://webhooktools.org/base64-encoder-decoder","description":"Base64 encode/decode: text to Base64, Base64 to text. URL-safe supported. Free encoder decoder. No signup."},{"name":"Content-Type Parser","url":"https://webhooktools.org/content-type-parser","description":"Parse Content-Type header: type, subtype, charset, boundary, params. Free header parser for API debugging."},{"name":"Bearer Token Extractor","url":"https://webhooktools.org/bearer-token-extractor","description":"Extract scheme and credentials from Authorization header. Decode Basic auth. Free header parser."},{"name":"UUID Generator","url":"https://webhooktools.org/uuid-generator","description":"Generate UUID v4 for idempotency keys, request IDs, trace IDs. Copy and use. Free UUID generator."},{"name":"JSON Diff","url":"https://webhooktools.org/json-diff","description":"Compare two JSON objects: see added, removed, changed keys. Free JSON diff tool for API responses. No signup."}]