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HookSense vs Svix: Webhook inspector vs webhook sender
Svix is a webhook-sending infrastructure platform for building webhook-as-a-feature into your own product (Clerk, Resend, and Lemon Squeezy all use Svix). HookSense is the developer's side of the same problem — inspecting, debugging, and replaying webhooks you receive. Different tools, different roles in the stack.
Last updated: April 2026
Feature Comparison
| Feature | HookSense | Svix |
|---|---|---|
| Webhook inspection | Partial (logs) | |
| Real-time UI | WebSocket | Polling dashboard |
| Request replay | ||
| CLI forwarding to localhost | Via CLI proxy | |
| Send webhooks from your app | Core feature | |
| Consumer-side retries | Producer retries only | |
| HMAC verification helper | Signing only | |
| Instant free endpoint | 1 click | Account + app setup |
| Custom responses for testing | ||
| Pricing entry point | $0 / $9.50 | $0 / $490 |
Pricing Comparison
| Tier | HookSense | Svix |
|---|---|---|
| Free | $0 (100 req/day) | $0 (50k/mo, dev use) |
| Starter | $9.50/mo (Hook) | $490/mo (Startup) |
| Advanced | $19.50/mo (Sense) | Enterprise quote |
Why Choose HookSense
- Svix is a B2B platform to SEND webhooks from your SaaS — if you just want to DEBUG webhooks you receive, it's overkill
- HookSense ships a free webhook URL in 1 second; Svix requires account setup, app creation, and endpoint configuration
- Replay a captured webhook to your local server with one click — no sending infrastructure to stand up
- 50x cheaper entry point for the debugging use case ($9.50 vs $490)
- If you're integrating with a Svix-powered webhook (Clerk, Resend), HookSense is the receiving-end tool — they're complementary
Frequently asked
- Is HookSense a Svix alternative?
- Not exactly. Svix is a webhook-sending platform you embed in your SaaS (providers like Clerk and Resend use Svix to send webhooks). HookSense is the receiving-side tool — you use it to inspect and debug webhooks others send to you. They solve different halves of the same problem.
- Can I use HookSense to debug webhooks from a Svix-powered provider?
- Yes. Point the Svix-sent webhook (from Clerk, Resend, Lemon Squeezy, etc.) at a HookSense URL. You get every delivery in real time, with signature verification and replay to your local server.
- How much does HookSense cost compared to Svix?
- HookSense has a free plan, then Hook at $9.50/mo and Sense at $19.50/mo (launch prices). Svix Startup is $490/mo. They target different use cases — HookSense is for developers debugging webhooks, Svix is for SaaS companies building webhooks as a feature.