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Home/Categories/APIs & Integration/Svix
icon of Svix

Svix

Open source alternative to Hookdeck, Hook Relay and HostedHooks

Svix is an open source webhooks-as-a-service platform that handles delivery, retries, signing, and a customer-facing developer portal for managing webhook endpoints in your application. MIT licensed.

3.2K starsRustMITActive this week
Visit websiteGitHub repo
image of Svix
Contents
  1. 01Who Svix is for
  2. 02The problem it solves
  3. 03How it solves it
  4. 04Strengths and trade-offs
  5. 05Tech stack
  6. 06FAQ
  7. 07Similar open-source tools
TL;DR

Svix is an open source webhook delivery platform for sending, signing, retrying, and monitoring outbound webhooks. It replaces custom webhook queues and hosted webhook platforms for API teams that need reliable event delivery. MIT licensed.MIT · Rust · 3.2K stars · Active this week

who it's for

Who Svix is for#

API teams shipping customer webhooks

Use Svix when webhook reliability, retries, signing, and customer debugging are part of your public API promise.

Skip if:

Your webhook volume is tiny and failures can be handled manually by support.

SaaS teams replacing custom queues

Use Svix to move delivery attempts, event history, and endpoint controls out of ad hoc application code.

Skip if:

Your event system must stay inside an existing internal platform with no new service dependencies.

the problem

The problem it solves#

Webhook delivery looks simple until customers start depending on it. Failed endpoints, retries, signatures, event logs, rate limits, and replay tools quickly turn a background job into customer-facing infrastructure.

Teams that build webhook delivery themselves often spread the logic across queues, workers, dashboards, and support scripts. That creates hard-to-debug delivery failures and a poor developer experience for customers integrating with the API.

how Svix solves it

How it solves it#

Managed webhook delivery flow

Svix handles delivery attempts, retries, and endpoint management so product teams do not have to maintain this logic inside their own background job system.

Webhook signing support

Signed payloads help receivers verify that events came from the right sender and were not modified in transit, which is a baseline requirement for production webhook APIs.

Customer-facing endpoint controls

Svix includes a developer portal pattern for endpoint management, giving API customers a clearer way to configure and debug their integrations.

strengths · trade-offs

Strengths and trade-offs#

Strengths

  • Purpose-built webhook infrastructureWebhook delivery gets its own event model, retries, logs, and customer controls instead of being treated as another queue worker in the application.
  • Open source self-hosting pathTeams can inspect the core webhook delivery system and host it themselves when compliance, cost, or product integration requirements make a black-box service a poor fit.

Trade-offs

  • -Another operational serviceSelf-hosting Svix means running and monitoring webhook infrastructure. Small products with a handful of simple webhooks may not need the extra service yet.
tech stack · detected from GitHub

What it's built on#

Languages
C#GoJavaKotlinPHPPythonRubyRustTypeScript
Messaging
KafkaRabbitMQ
Cache
Redis
frequently asked

FAQ#

What problem does Svix solve?

Svix solves outbound webhook delivery: retries, signing, endpoint management, logs, and customer-facing debugging.

Can Svix be self-hosted?

Yes. Svix has an open source repository and can be evaluated for self-hosting when teams need more control than a hosted webhook provider.

When should a team use Svix instead of a queue?

Use Svix when webhook delivery is a customer-facing product feature. A queue is enough for internal jobs, but it does not provide the receiver experience and delivery controls webhook customers expect.

also worth a look

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Repository

Stars
3.2K
Forks
250
License
MIT
Latest
v1.95.1
Last commit
today
Last verified
Jun 2, 2026
Repo
svix/svix-webhooks ↗

Additional details

Language
Rust
Open issues
59
Contributors
75
First release
2021

Categories

APIs & IntegrationDeveloper ToolsBackend Development

Tags

API InfrastructureDeveloper ToolsSecurityMonitoringAPI Development ToolsBaaSWebSocket ServersDocumentation