supermarket

Send email

Resend

Email API for developers that sends and receives email from a verified domain over REST, SMTP or MCP.

At a glance

Provider
Resend
Category
Send email
Type
Hosted API
Pricing model
Monthly plans, $20 for 50,000 emails on Pro, overage per 1,0002
Free tier
3,000 emails a month, 100 a day3
Authentication
API key; OAuth for the MCP server8
Connect via
REST API, SMTP, MCP server, SDKs, CLI8
Read from the provider's pages
2026-11-04
Pricing
  • Pricing model: Monthly plans with an included email volume, plus overage per 1,000 emails
  • Free tier: 3,000 emails a month, capped at 100 a day; sent and received emails both count
  • Card required for free tier: Not published
Pricing in full →Tools
  • Official MCP server: Yes, remote and local
  • Address or package: Remote https://mcp.resend.com/mcp; local npx -y resend-mcp
  • Docs MCP server: https://resend.com/docs/mcp (3 tools: search_resend, query_docs_filesystem_resend, submit_feedback; answered without auth)
Tools in full →Authentication
  • Who creates the account: A person creates the account; Stripe Projects can create one from a CLI command
  • Who creates the account (other page): Stripe Projects: no signup form, an agent can run it
  • Where to get a key: resend.com/api-keys, or approve OAuth in a browser
Authentication in full →Setup
  • REST API: https://api.resend.com
  • MCP server: https://mcp.resend.com/mcp
  • OpenAPI spec: https://resend.com/openapi.json (also https://resend.com/openapi.yaml; the GitHub copy is newer)
Setup in full →Limits
  • API requests: 10 requests per second per team, shared across API keys
  • Same on every plan: Upgrading does not change it
  • Burst: No burst allowance
Limits in full →Privacy
  • Data location: United States, whichever sending region you pick
  • Retention: 30 days on Free, Pro and Scale
  • Used for training: No; neither Resend nor its subprocessors use customer content to train or fine-tune models
Privacy in full →

Read from Resend’s own pages on 2026-11-04. Every number links to the page a value came from. For agents, the same facts as markdown: /tools/send-email/resend.md