Resend
resend.comEmail API for developers to send transactional and marketing email, with SDKs, a CLI and a hosted MCP server.
What your agent can do
it provides LLMs tools to act on your behalf
Via MCP.
Start sending emails through the Resend Email API.
Via API.
Tasks depend on the interface and permissions.
Connection methods
Choose a route that fits your agent.
MCP
For compatible agent apps
OAuth sign-in
Docs checkedView setup for MCPAPI
For custom integrations
an access token
Docs checkedView paths for APIMCP connection
MCP server URL
https://mcp.resend.com/mcp- Authentication
- approve access using OAuth
API connection
API path
https://api.resend.com/emails- Authentication
- Authorization: Bearer re_xxxxxxxxx
View sources and checks
- MCP · it provides LLMs tools to act on your behalfChecked 7 Oct 2026
- API · Start sending emails through the Resend Email API.Checked 7 Oct 2026