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

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