Resend

Resend Email API

The Email API from Resend — 3 operation(s) for email.

Documentation GitHub OpenAPI

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/resend-email-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.0.3
info:
  title: Resend Email API
  version: 1.1.0
  description: '

    Resend is transforming email for developers. Simple interface, easy

    integrations, handy templates. '
servers:
- url: https://api.resend.com
security:
- bearerAuth: []
tags:
- name: Email
paths:
  /emails/{email_id}:
    get:
      tags:
      - Email
      summary: Retrieve a single email
      parameters:
      - name: email_id
        in: path
        required: true
        schema:
          type: string
          description: The ID of the email.
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Email'
    patch:
      tags:
      - Email
      summary: Update a single email
      parameters:
      - name: email_id
        in: path
        required: true
        schema:
          type: string
          description: The ID of the email.
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UpdateEmailOptions'
  /emails/{email_id}/cancel:
    post:
      tags:
      - Email
      summary: Cancel the schedule of the e-mail.
      parameters:
      - name: email_id
        in: path
        required: true
        schema:
          type: string
          description: The ID of the email.
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Email'
  /audiences/{audience_id}/contacts/{email}:
    delete:
      tags:
      - Email
      summary: Remove an existing contact by email
      parameters:
      - name: email
        in: path
        required: true
        schema:
          type: string
          description: The Contact ID.
      - name: audience_id
        in: path
        required: true
        schema:
          type: string
          description: The Audience ID.
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/RemoveContactResponseSuccess'
components:
  schemas:
    UpdateEmailOptions:
      type: object
      properties:
        scheduled_at:
          type: string
          description: Schedule email to be sent later. The date should be in ISO 8601 format.
    RemoveContactResponseSuccess:
      type: object
      properties:
        object:
          type: string
          description: Type of the response object.
          example: contact
        id:
          type: string
          description: Unique identifier for the removed contact.
          example: 520784e2-887d-4c25-b53c-4ad46ad38100
        deleted:
          type: boolean
          description: Indicates whether the contact was successfully deleted.
          example: true
    Email:
      type: object
      properties:
        object:
          type: string
          description: The type of object.
          example: email
        id:
          type: string
          description: The ID of the email.
          example: 4ef9a417-02e9-4d39-ad75-9611e0fcc33c
        to:
          type: array
          items:
            type: string
            description: The email addresses of the recipients.
          example:
          - delivered@resend.dev
        from:
          type: string
          description: The email address of the sender.
          example: Acme <onboarding@resend.dev>
        created_at:
          type: string
          format: date-time
          description: The date and time the email was created.
          example: '2023-04-03T22:13:42.674981+00:00'
        subject:
          type: string
          description: The subject line of the email.
          example: Hello World
        html:
          type: string
          description: The HTML body of the email.
          example: Congrats on sending your <strong>first email</strong>!
        text:
          type: string
          description: The plain text body of the email.
        bcc:
          type: array
          items:
            type: string
          description: The email addresses of the blind carbon copy recipients.
        cc:
          type: array
          items:
            type: string
          description: The email addresses of the carbon copy recipients.
        reply_to:
          type: array
          items:
            type: string
          description: The email addresses to which replies should be sent.
        last_event:
          type: string
          description: The status of the email.
          example: delivered
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer

Resend Email API

Documentation

Specifications

Schemas & Data

Other Resources