Free webhook relay. Capture incoming webhooks and forward them to any URL in real-time. See request and response details. No signup required.
About hookstream
hookstream is the modern event gateway for developers who need webhooks that just work. It receives, transforms, and delivers webhooks reliably with real-time monitoring, automatic retries, circuit breakers, and instant database sync.
Key features
- Webhook ingestion with HMAC signature verification for 15+ providers (Stripe, GitHub, Shopify, etc.)
- Content-based routing and filtering with 9 operators
- JSONata transforms for payload reshaping
- Reliable delivery with exponential/linear/fixed retries and circuit breakers
- 8 destination types: HTTP, AWS SQS, S3, EventBridge, GCP Pub/Sub, Kafka, RabbitMQ, WebSocket
- Real-time event streaming via WebSocket
- Instant Database — sync webhooks to queryable collections
- Topics and pub/sub fan-out
- Event replay and archival
- Free webhook testing with no signup required
API
Base URL: https://hookstream.io/v1
Authentication: API key via X-API-Key header (hs_live_* or hs_test_*) or session cookie.
Full API reference: Authentication |
Sources |
Destinations |
Connections |
Events |
Metrics
Free webhook testing (no auth required)
POST https://hookstream.io/v1/agent/sessions — Create a test webhook endpoint
GET https://hookstream.io/v1/agent/sessions/:id — Get session details and events
POST https://hookstream.io/v1/ingest/:source_id — Send webhooks to any source
Plans
- Free: $0/mo — 50K events, 10 sources, 5 destinations, 7-day retention
- Pro: $19/mo — 1M events, unlimited sources/destinations, 30-day retention
- Enterprise: $99/mo — 10M events, unlimited, 90-day retention