Resend

Resend APIS API

The Apis API from Resend — 2 operation(s) for apis.

GitHub OpenAPI
Business capability
Developer Identity & Credential Management BC-4270.40

Operations 3

POST /api-keys Create a new API key #
GET /api-keys Retrieve a list of API keys #
DELETE /api-keys/{api_key_id} Remove an existing API key #

Documentation

📖
Documentation
https://resend.com/

Specifications

⚙
OpenAPI
https://artifacts.apis.io/resend/openapi/resend-apis-api-openapi.yml
⚙
AsyncAPI
https://artifacts.apis.io/resend/asyncapi/resend-webhooks-asyncapi.yml

Schemas & Data

📊
JSONSchema
https://artifacts.apis.io/resend/json-schema/resend-email-schema.json
📊
JSONSchema
https://artifacts.apis.io/resend/json-schema/resend-audience-schema.json
📊
JSONSchema
https://artifacts.apis.io/resend/json-schema/resend-domain-schema.json
📊
JSONStructure
https://artifacts.apis.io/resend/json-structure/resend-email-structure.json

Other Resources

🔗
Webhooks
https://resend.com/docs/dashboard/webhooks/introduction
🔗
JSONLDContext
https://artifacts.apis.io/resend/json-ld/resend-context.jsonld
🔗
SpectralRules
https://artifacts.apis.io/resend/rules/resend-rules.yml
🔗
Vocabulary
https://artifacts.apis.io/resend/vocabulary/resend-vocabulary.yml

Work with this as data

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

MCP server

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

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

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OpenAPI Specification

resend-apis-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Resend APIs 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: APIs
paths:
  /api-keys:
    post:
      tags:
      - APIs
      summary: Create a new API key
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateApiKeyRequest'
      responses:
        '201':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CreateApiKeyResponse'
      operationId: postApiKeys
      x-operation-id-source: derived
    get:
      tags:
      - APIs
      summary: Retrieve a list of API keys
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListApiKeysResponse'
      operationId: getApiKeys
      x-operation-id-source: derived
  /api-keys/{api_key_id}:
    delete:
      tags:
      - APIs
      summary: Remove an existing API key
      parameters:
      - name: api_key_id
        in: path
        required: true
        schema:
          type: string
          description: The API key ID.
      responses:
        '200':
          description: OK
      operationId: deleteApiKeysByApiKeyId
      x-operation-id-source: derived
components:
  schemas:
    ListApiKeysResponse:
      type: object
      properties:
        data:
          type: array
          items:
            $ref: '#/components/schemas/ApiKey'
    CreateApiKeyRequest:
      type: object
      required:
      - name
      properties:
        name:
          type: string
          description: The API key name.
        permission:
          type: string
          enum:
          - full_access
          - sending_access
          description: The API key can have full access to Resends API or be only restricted to send emails. * full_access - Can create, delete, get, and update any resource. * sending_access - Can only send emails.
        domain_id:
          type: string
          description: Restrict an API key to send emails only from a specific domain. Only used when the permission is sending_acces.
    CreateApiKeyResponse:
      type: object
      properties:
        id:
          type: string
          description: The ID of the API key.
        token:
          type: string
          description: The token of the API key.
    ApiKey:
      type: object
      properties:
        id:
          type: string
          description: The ID of the API key.
        name:
          type: string
          description: The name of the API key.
        created_at:
          type: string
          format: date-time
          description: The date and time the API key was created.
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer