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Svix vs Outpost: catalog facts
Svix	Outpost
Freemium Free to start on the hosted service and free to self-host, with paid plans for larger use.	Free Free and open source to self-host.
Web, Self-hosted	Self-hosted
Automatic retries and delivery monitoring Embeddable portal for customers to manage endpoints	Self-hostable alternative to building webhook delivery yourself Kubernetes Helm chart and example configs included
For sending webhooks from your own app, not receiving them Some features are aimed at the enterprise hosted plans	Aimed at developers running a service, not individual users Requires operating your own infrastructure
Self-hosted, Hosted service	Self-hosted
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.