Local NWListener TCP Server
Zero-latency native server running on configurable ports (default 8080). Automatic Wi-Fi IP detection and Bonjour zero-config discovery (_wiresnap-http._tcp).
Local HTTP Server & Webhook Interceptor on iOS
Transform your iPhone or iPad into a local HTTP server and webhook interceptor. Capture, inspect, filter, mock, and replay HTTP/REST and Webhook payloads from Stripe, GitHub, Firebase, and RevenueCat directly on your Wi-Fi network.
$ curl -X POST http://192.168.1.105:8080/webhooks/stripe \
-H 'Content-Type: application/json' \
-d '{"event": "payment_intent.succeeded", "amount": 4900}'
HTTP/1.1 200 OK • Intercepted by WireSnap (3.2 ms) ✓
Deep Payload & Header Inspector
Syntax-highlighted JSON viewer, in-payload search, cURL export, byte/hex inspector, and base64 decoder for complex webhook payloads.
Dynamic Route Mocking Engine
Match paths via exact, wildcard, or regex. Override status codes (200, 404, 429, 500), inject simulated latency, and generate dynamic response templates.
Instant Replay Studio
Mutate methods, headers, and request bodies before replaying calls via URLSession with live side-by-side response diffing.
HAR & OpenAPI Export
Export captured traffic sessions to standard HTTP Archive (HAR 1.2), OpenAPI 3.0 YAML specifications, and Postman Collections in one tap.
Full-Bleed Widgets & 15 Icons
Monitor live request counts and server health directly from your Lock Screen and Home Screen with full-bleed iOS 17/18 widgets.
Supported Webhook Ecosystem
💳 Stripe Webhooks
Test payment_intent, customer.subscription, invoice.payment_failed with HMAC-SHA256 signature verification.
🐙 GitHub Events
Inspect push, pull_request, issues, and workflow dispatch webhook payloads with delivery ID tracing.
💎 RevenueCat & App Store
Verify INITIAL_PURCHASE, RENEWAL, CANCELLATION, and sandbox in-app purchase lifecycle events.
🔥 Firebase & Cloud Functions
Intercept authentication triggers, Firestore events, and Crashlytics webhooks.