Mailsac
mailsac.comA testing email service with a REST API for listing messages in an inbox.
What your agent can do
Retrieve list of messages in an inbox.
Via API.
Tasks depend on the interface and permissions.
Connection methods
Choose a route that fits your agent.
API
For custom integrations
an API key
Docs checkedView paths for APIAPI connection
API path
https://mailsac.com/api/addresses/user1@mailsac.com/messages- Authentication
- Use the API key as a request header named `Mailsac-Key`.
View sources and checks
- API · Retrieve list of messages in an inbox.Checked 10 Oct 2026