Getting startedAuthentication

API key authentication

Authenticate requests with a Resent API key

Use a Bearer API key on every request to https://api.resent.com.

Authorization: Bearer re_xxxxxxxxx
User-Agent: my-app/1.0

Create a key

Create keys in API key settings or via the API. Choose:

PermissionUse
full_accessAll API endpoints
sending_accessSend emails only (requires a verified domain)

See Create an API key and Authentication.