Outreach

Outreach Mail Alias API

## Mail Alias Relationships ## ⌵ Mail Alias Actions

GitHub OpenAPI

Operations 2

GET /mailAliases Get a Collection of Mail Aliases #
GET /mailAliases/{id} Get a Mail Alias by ID #

Documentation

📖
Documentation
https://developers.outreach.io/api/
📖
APIReference
https://developers.outreach.io/api/reference
📖
GettingStarted
https://developers.outreach.io/api/getting-started

Specifications

⚙
OpenAPI
https://artifacts.apis.io/outreach/openapi/outreach-mail-alias-api-openapi.yml

Schemas & Data

📊
JSONSchema
https://artifacts.apis.io/outreach/json-schema/outreach-hyper-schema.json

Other Resources

🔗
DataModel
https://artifacts.apis.io/outreach/data-model/outreach-data-model.yml
🔗
ErrorCatalog
https://artifacts.apis.io/outreach/errors/outreach-error-codes.yml
🔗
Conventions
https://artifacts.apis.io/outreach/conventions/outreach-conventions.yml

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/outreach:outreach-mail-alias-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.

GitHub Google LinkedIn

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

OpenAPI Specification

outreach-mail-alias-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  description: Outreach Public API is documented here, at the Development Portal, expand the link Outreach REST API Reference in the left navigation bar to see human-readable description of endpoints and data types.
  title: Outreach REST API Reference Mail Alias API
  version: ''
servers:
- url: https://api.outreach.io/api/v2
security:
- bearerAuth: []
tags:
- description: '## Mail Alias Relationships


    ## ⌵ Mail Alias Actions'
  name: Mail Alias
  x-internal: false
paths:
  /mailAliases:
    get:
      responses:
        '200':
          content:
            application/vnd.api+json:
              schema:
                properties:
                  data:
                    items:
                      $ref: '#/components/schemas/mailAliasResponse'
                    type: array
          description: OK
        '422':
          content:
            application/vnd.api+json:
              schema:
                properties:
                  errors:
                    items:
                      properties:
                        detail:
                          type: string
                        id:
                          type: string
                        title:
                          type: string
                      type: object
                    type: array
          description: JSON error message
      summary: Get a Collection of Mail Aliases
      tags:
      - Mail Alias
      x-internal: false
      operationId: getMailAliases
      x-operation-id-source: derived
  /mailAliases/{id}:
    get:
      parameters:
      - in: path
        name: id
        required: true
        schema:
          type: integer
      responses:
        '200':
          content:
            application/vnd.api+json:
              schema:
                properties:
                  data:
                    $ref: '#/components/schemas/mailAliasResponse'
          description: OK
        '404':
          content:
            application/vnd.api+json:
              schema:
                properties:
                  errors:
                    items:
                      properties:
                        detail:
                          type: string
                        id:
                          type: string
                        title:
                          type: string
                      type: object
                    type: array
          description: Not Found
      summary: Get a Mail Alias by ID
      tags:
      - Mail Alias
      x-internal: false
      operationId: getMailAliasesById
      x-operation-id-source: derived
components:
  schemas:
    mailAlias:
      description: 'Alternative email name for a mailbox.

        '
      properties:
        canSend:
          description: '


            Can this alias send email.'
          type:
          - boolean
          - 'null'
          x-internal: false
        createdAt:
          description: '<img src=https://developers.outreach.io/badges/readonly.svg> <img src=https://developers.outreach.io/badges/filterable.svg> <img src=https://developers.outreach.io/badges/sortable.svg>


            The date the alias was created.'
          format: date-time
          type:
          - string
          - 'null'
          x-internal: false
        email:
          description: '


            The email alias.'
          maxLength: 255
          type:
          - string
          - 'null'
          x-internal: false
        emailHash:
          description: '


            Hashed email address of the alias.'
          maxLength: 255
          type:
          - string
          - 'null'
          x-internal: false
        updatedAt:
          description: '<img src=https://developers.outreach.io/badges/readonly.svg> <img src=https://developers.outreach.io/badges/filterable.svg> <img src=https://developers.outreach.io/badges/sortable.svg>


            The date the alias was last updated.'
          format: date-time
          type:
          - string
          - 'null'
          x-internal: false
      type: object
      x-internal: false
    mailAliasRelationships:
      properties:
        mailbox:
          description: The parent mailbox for this alias. You can use only the attribute id to filter mailAliases by mailbox (e.g. filter[mailbox][id]=X).
          properties:
            data:
              properties:
                id:
                  type: integer
                type:
                  enum:
                  - mailbox
                  type: string
              type:
              - object
              - 'null'
            links:
              properties:
                related:
                  format: uri
                  type: string
              type: object
      type: object
    mailAliasResponse:
      properties:
        attributes:
          $ref: '#/components/schemas/mailAlias'
        id:
          type: integer
        relationships:
          $ref: '#/components/schemas/mailAliasRelationships'
        type:
          type: string
      type: object
      x-internal: false
  securitySchemes:
    bearerAuth:
      bearerFormat: JWT
      scheme: bearer
      type: http
    s2sAuthToken:
      bearerFormat: JWT
      scheme: bearer
      type: http