Resend Contacts API

Create and manage Contacts through the Resend API.

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-contacts-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.

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

OpenAPI Specification

resend-contacts-api-openapi.yml Raw ↑
openapi: 3.0.3
info:
  title: Resend Contacts 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: Contacts
  description: Create and manage Contacts through the Resend API.
paths:
  /audiences/{audience_id}/contacts:
    post:
      tags:
      - Contacts
      summary: Create a new contact
      parameters:
      - name: audience_id
        in: path
        required: true
        schema:
          type: string
          description: The Audience ID.
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateContactOptions'
      responses:
        '201':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CreateContactResponseSuccess'
    get:
      tags:
      - Contacts
      summary: Retrieve a list of contacts
      parameters:
      - 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/ListContactsResponseSuccess'
  /audiences/{audience_id}/contacts/{email}:
    delete:
      tags:
      - Contacts
      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'
  /audiences/{audience_id}/contacts/{id}:
    delete:
      tags:
      - Contacts
      summary: Remove an existing contact by id
      parameters:
      - name: id
        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'
    get:
      tags:
      - Contacts
      summary: Retrieve a single contact
      parameters:
      - name: id
        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/GetContactResponseSuccess'
    patch:
      tags:
      - Contacts
      summary: Update a single contact
      parameters:
      - name: id
        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.
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdateContactOptions'
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UpdateContactResponseSuccess'
components:
  schemas:
    ListContactsResponseSuccess:
      type: object
      properties:
        object:
          type: string
          description: Type of the response object.
          example: list
        data:
          type: array
          description: Array containing contact information.
          items:
            type: object
            properties:
              id:
                type: string
                description: Unique identifier for the contact.
                example: e169aa45-1ecf-4183-9955-b1499d5701d3
              email:
                type: string
                description: Email address of the contact.
                example: steve.wozniak@gmail.com
              first_name:
                type: string
                description: First name of the contact.
                example: Steve
              last_name:
                type: string
                description: Last name of the contact.
                example: Wozniak
              created_at:
                type: string
                format: date-time
                description: Timestamp indicating when the contact was created.
                example: '2023-10-06T23:47:56.678Z'
              unsubscribed:
                type: boolean
                description: Indicates if the contact is unsubscribed.
                example: false
    UpdateContactOptions:
      type: object
      properties:
        email:
          type: string
          description: Email address of the contact.
          example: steve.wozniak@gmail.com
        first_name:
          type: string
          description: First name of the contact.
          example: Steve
        last_name:
          type: string
          description: Last name of the contact.
          example: Wozniak
        unsubscribed:
          type: boolean
          description: Indicates the subscription status of the contact.
          example: false
    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
    CreateContactOptions:
      type: object
      required:
      - email
      properties:
        email:
          type: string
          description: Email address of the contact.
          example: steve.wozniak@gmail.com
        first_name:
          type: string
          description: First name of the contact.
          example: Steve
        last_name:
          type: string
          description: Last name of the contact.
          example: Wozniak
        unsubscribed:
          type: boolean
          description: Indicates if the contact is unsubscribed.
          example: false
        audience_id:
          type: string
          description: Unique identifier of the audience to which the contact belongs.
          example: 78261eea-8f8b-4381-83c6-79fa7120f1cf
    CreateContactResponseSuccess:
      type: object
      properties:
        object:
          type: string
          description: Type of the response object.
          example: contact
        id:
          type: string
          description: Unique identifier for the created contact.
          example: 479e3145-dd38-476b-932c-529ceb705947
    GetContactResponseSuccess:
      type: object
      properties:
        object:
          type: string
          description: Type of the response object.
          example: contact
        id:
          type: string
          description: Unique identifier for the contact.
          example: e169aa45-1ecf-4183-9955-b1499d5701d3
        email:
          type: string
          description: Email address of the contact.
          example: steve.wozniak@gmail.com
        first_name:
          type: string
          description: First name of the contact.
          example: Steve
        last_name:
          type: string
          description: Last name of the contact.
          example: Wozniak
        created_at:
          type: string
          format: date-time
          description: Timestamp indicating when the contact was created.
          example: '2023-10-06T23:47:56.678Z'
        unsubscribed:
          type: boolean
          description: Indicates if the contact is unsubscribed.
          example: false
    UpdateContactResponseSuccess:
      type: object
      properties:
        object:
          type: string
          description: Type of the response object.
          example: contact
        id:
          type: string
          description: Unique identifier for the updated contact.
          example: 479e3145-dd38-476b-932c-529ceb705947
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer