Missive Contacts API

Manage contacts and contact data

Operations 4

GET /contacts List Contacts #
POST /contacts Create Contact(s) #
GET /contacts/{id} Get Contact #
PATCH /contacts/{id} Update Contact(s) #

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/missive-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 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.

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

OpenAPI Specification

missive-contacts-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Missive REST Analytics Contacts API
  description: The Missive REST API allows developers to manage conversations, messages, contacts, drafts, labels, and analytics programmatically. Authentication uses Bearer tokens (personal access tokens) generated in Missive preferences. The API requires a Productive plan or higher to generate API tokens. Responses are JSON-formatted with HTTP 200 or 201 success codes.
  version: '1'
  contact:
    name: Missive Support
    url: https://missiveapp.com/help
  termsOfService: https://missiveapp.com/terms
servers:
- url: https://public.missiveapp.com/v1
  description: Missive REST API v1
security:
- bearerAuth: []
tags:
- name: Contacts
  description: Manage contacts and contact data
paths:
  /contacts:
    get:
      operationId: listContacts
      summary: List Contacts
      description: List contacts in a contact book.
      tags:
      - Contacts
      parameters:
      - name: contact_book
        in: query
        required: true
        description: ID of the contact book to list contacts from
        schema:
          type: string
      - name: order
        in: query
        schema:
          type: string
          enum:
          - last_name
          - first_name
          - created_at
      - name: limit
        in: query
        description: Maximum number of contacts to return (max 200)
        schema:
          type: integer
          maximum: 200
      - name: offset
        in: query
        schema:
          type: integer
      - name: modified_since
        in: query
        description: Unix timestamp; return contacts modified after this time
        schema:
          type: integer
          format: int64
      - name: include_deleted
        in: query
        schema:
          type: boolean
      - name: search
        in: query
        description: Search query string
        schema:
          type: string
      responses:
        '200':
          description: Array of contact objects
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContactsResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
    post:
      operationId: createContact
      summary: Create Contact(s)
      description: Create one or more contacts in a contact book.
      tags:
      - Contacts
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateContactRequest'
      responses:
        '201':
          description: Contact(s) created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContactsResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
  /contacts/{id}:
    get:
      operationId: getContact
      summary: Get Contact
      description: Fetch a specific contact using the contact ID.
      tags:
      - Contacts
      parameters:
      - $ref: '#/components/parameters/contactId'
      responses:
        '200':
          description: Single contact object
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContactResponse'
        '404':
          description: Contact not found or deleted
    patch:
      operationId: updateContact
      summary: Update Contact(s)
      description: Update one or more contacts. Pass only attributes needing updates. The id parameter supports comma-separated IDs for bulk updates.
      tags:
      - Contacts
      parameters:
      - $ref: '#/components/parameters/contactId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdateContactRequest'
      responses:
        '200':
          description: Updated contact object(s)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContactsResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '404':
          description: Contact not found
components:
  schemas:
    Error:
      type: object
      properties:
        error:
          type: string
          description: Error message
    ContactInfo:
      type: object
      properties:
        kind:
          type: string
          enum:
          - email
          - twitter
          - phone_number
          - facebook
          - physical_address
          - url
          - custom
        value:
          type: string
        label:
          type: string
        custom_label:
          type: string
    ContactMembership:
      type: object
      required:
      - group
      properties:
        group:
          type: string
          description: Group or organization ID
        title:
          type: string
        location:
          type: string
        department:
          type: string
        description:
          type: string
    ContactsResponse:
      type: object
      properties:
        contacts:
          type: array
          items:
            $ref: '#/components/schemas/Contact'
    CreateContactRequest:
      type: object
      required:
      - contact_book
      properties:
        contact_book:
          type: string
          description: Contact book ID
        first_name:
          type: string
        last_name:
          type: string
        starred:
          type: boolean
        notes:
          type: string
        infos:
          type: array
          items:
            $ref: '#/components/schemas/ContactInfo'
        memberships:
          type: array
          items:
            $ref: '#/components/schemas/ContactMembership'
    Contact:
      type: object
      properties:
        id:
          type: string
        first_name:
          type: string
        last_name:
          type: string
        starred:
          type: boolean
        notes:
          type: string
        infos:
          type: array
          items:
            $ref: '#/components/schemas/ContactInfo'
        memberships:
          type: array
          items:
            $ref: '#/components/schemas/ContactMembership'
        created_at:
          type: integer
          format: int64
        updated_at:
          type: integer
          format: int64
    UpdateContactRequest:
      type: object
      properties:
        first_name:
          type: string
        last_name:
          type: string
        starred:
          type: boolean
        notes:
          type: string
        infos:
          type: array
          items:
            $ref: '#/components/schemas/ContactInfo'
        memberships:
          type: array
          items:
            $ref: '#/components/schemas/ContactMembership'
    ContactResponse:
      type: object
      properties:
        contacts:
          $ref: '#/components/schemas/Contact'
  parameters:
    contactId:
      name: id
      in: path
      required: true
      description: Contact ID (supports comma-separated IDs for bulk operations)
      schema:
        type: string
  responses:
    BadRequest:
      description: Bad request — invalid parameters
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: 'Personal access token generated in Missive preferences. Format: Bearer missive_pat-[token]. Requires Productive plan or higher.'
externalDocs:
  description: Missive Developer Documentation
  url: https://missiveapp.com/docs/developers/rest-api