Email API documentation
Start with one simulator email. Inspect its delivery record before adding receipts, verification emails, or password resets to your app.
Send your first test email
The quickstart covers your API key, a simulator send, and the recipient result. No card or sending domain is required.
Start the quickstartWorking with a coding agent?
Connect hosted MCP with project access, then ask your agent to send and inspect the same simulator test.
Set up your agentMove to real recipients
Verify your email address and sending domain. Add a card to activate production sending. Simulator tests stay available before activation.
Use delivery records to inspect recipient outcomes. An accepted request does not mean an email reached an inbox.
Verify a sending domainFind a specific endpoint or advanced task
Open the API reference for the HTTP contract. The navigation groups sending methods, delivery results, and marketing guides by task. Existing integrations can use the Node SDK or SMTP relay.