# Resend — MCP server on mcp.ai
> The universal API for sending emails.

By: mcp.ai · official
Page: https://mcp.ai/resend

## Connect (MCP protocol)
Remote MCP endpoint (HTTP, streamable): https://api.mcp.ai/p_resend?ms=1781542320000
Add it as a custom/remote MCP connector, then authenticate when prompted.

## REST API (no MCP client required)
Every tool is also a REST endpoint, authed with a workspace API key.
Discover: GET https://api.mcp.ai/api/resend/_endpoints   # public; lists every endpoint
Call:     POST https://api.mcp.ai/api/resend/<endpoint>
  Authorization: Bearer sk_live_…   # create one at https://mcp.ai/settings/api-keys
  Content-Type: application/json
  Body: { …args }   →   { "ok": true, "tool": "<id>", "result": { … } }

## Developer docs
How to use (MCP or REST), markdown: https://mcp.ai/resend/skill.md
Postman collection (v2.1): https://mcp.ai/resend/postman.json

## Tools
- resend_cancel_email(id: string) — Cancel a scheduled email.
- resend_create_audience(name: string) — Create a list of contacts.
- resend_create_contact(email: string, lastName?: string, firstName?: string, audienceId: string, unsubscribed?: boolean) — Create a contact in resend.
- resend_create_domain(name: string, region?: string) — Create a domain through the resend email api.
- resend_delete_audience(audience_id: string) — Remove an existing audience.
- resend_delete_contact(id?: string, email?: string, audienceId: string) — Delete a contact in resend.
- resend_delete_domain(domain_id: string) — Delete a domain through the resend email api.
- resend_list_audiences() — List all audiences.
- resend_list_contacts(audienceId: string) — List contacts in resend.
- resend_list_domains() — List all domains.
- resend_retrieve_audience(audience_id: string) — Retrieve a single audience.
- resend_retrieve_contact(id: string, audienceId: string) — Retrieve a contact in resend.
- resend_retrieve_domain(domain_id: string) — Retrieve a single domain.
- resend_retrieve_email(email_id: string) — Retrieve a single email.
- resend_send_email(cc?: string, to: string, bcc?: string, from: string, html?: string, text?: string, react?: string, headers?: object, subject: string, reply_to?: string, scheduled_at?: string) — Send an email using resend.
- resend_update_domain(tls?: string, domain_id: string, open_tracking?: boolean, click_tracking?: boolean) — Update an existing domain.
- resend_update_email(id: string, scheduled_at?: string) — Update a scheduled email.
- resend_verify_domain(domain_id: string) — Verify a domain through the resend email api.

## Links
Docs: https://mcp.ai/docs/mcps/resend
Website: https://mcp.ai/mcps/resend