checkmails
checkmails.euEmail verification service with a REST API for synchronous single-address checks and enriched verification results.
What your agent can do
Verify a single email synchronously
Via API.
Tasks depend on the interface and permissions.
Connection methods
Choose a route that fits your agent.
API
For custom integrations
an access token
Docs checkedView paths for APIAPI connection
API path
https://checkmails.eu/api/v1/verify- Authentication
- Authorization: Bearer chk_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
View sources and checks
- API · Verify a single email synchronouslyChecked 11 Oct 2026