Developers
Documentation
Guides, tutorials and integration recipes for the Setlo banking gateway.
Quickstart
From sandbox keys to your first authorised payment in under 10 minutes.
Accepting payments
Drop-in widget, hosted checkout and full server-to-server integrations.
Webhooks
Signed, ordered and replayable event streams for every payment lifecycle.
SDKs
TypeScript, Python, Go, PHP and Ruby — all generated from the same OpenAPI spec.
Full API reference is available with example requests in every language.