plugmyagent

Svix

Automation Free key (no card)

AuthenticationFree key (no card)
Rate limitFree plan: monthly message allowance included, no credit card required; check the pricing page for current volumes.

Documentation: docs.svix.com ยท Checked Sep 13, 2026

About

Svix is an API for sending webhooks reliably, handling retries, signing, logging, and a customer-facing dashboard for your users to manage their own endpoints. The free plan requires no credit card and includes a monthly message allowance, an embeddable app portal, and 30-day payload retention. The server is also open source under MIT if you prefer to self-host. SDKs cover JavaScript, Python, Go, Ruby, Java, PHP, and more.

Details

Free to start. You may need a free key, but no credit card.

Auth: Free key (no card)

Rate limit: Free plan: monthly message allowance included, no credit card required; check the pricing page for current volumes.

Verified: 2026-09-13

Best for: webhooks event delivery API products

Setup

  1. Sign up free and create an API key from the dashboard.
  2. Create an application for your customer or use case.
  3. Add an endpoint where webhooks should be delivered.
  4. Send a message with the create-message API.
  5. Verify signatures on the receiving end with an Svix SDK.