openapi: 3.2.0
info:
  title: MessageBird Contacts API
  description: The MessageBird Contacts API allows developers to manage contact information for end-users and customers across messaging platforms. It supports creating, reading, updating, and deleting contacts, as well as organizing them into groups for targeted messaging campaigns. A single contact can be associated with multiple communication channels such as SMS, WhatsApp, and Telegram.
  version: '1.0'
  contact:
    name: MessageBird Support
    url: https://support.messagebird.com
  termsOfService: https://www.messagebird.com/en/terms
servers:
- url: https://rest.messagebird.com
  description: Production Server
security:
- accessKey: []
tags:
- name: Contacts
  description: Operations for managing individual contacts.
paths:
  /contacts:
    get:
      operationId: listContacts
      summary: List contacts
      description: Retrieves a paginated list of all contacts in the address book.
      tags:
      - Contacts
      parameters:
      - $ref: '#/components/parameters/offsetParam'
      - $ref: '#/components/parameters/limitParam'
      responses:
        '200':
          description: A list of contacts
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContactList'
        '401':
          description: Unauthorized
    post:
      operationId: createContact
      summary: Create a contact
      description: Creates a new contact in the address book with the specified phone number and optional details.
      tags:
      - Contacts
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ContactCreate'
      responses:
        '201':
          description: Contact created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Contact'
        '400':
          description: Bad request
        '401':
          description: Unauthorized
        '422':
          description: Unprocessable entity
  /contacts/{contactId}:
    get:
      operationId: viewContact
      summary: View a contact
      description: Retrieves the details of a specific contact by its unique identifier.
      tags:
      - Contacts
      parameters:
      - $ref: '#/components/parameters/contactIdParam'
      responses:
        '200':
          description: Contact details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Contact'
        '401':
          description: Unauthorized
        '404':
          description: Contact not found
    patch:
      operationId: updateContact
      summary: Update a contact
      description: Updates an existing contact with the provided fields.
      tags:
      - Contacts
      parameters:
      - $ref: '#/components/parameters/contactIdParam'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ContactUpdate'
      responses:
        '200':
          description: Contact updated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Contact'
        '400':
          description: Bad request
        '401':
          description: Unauthorized
        '404':
          description: Contact not found
    delete:
      operationId: deleteContact
      summary: Delete a contact
      description: Deletes a contact from the address book by its unique identifier.
      tags:
      - Contacts
      parameters:
      - $ref: '#/components/parameters/contactIdParam'
      responses:
        '204':
          description: Contact deleted
        '401':
          description: Unauthorized
        '404':
          description: Contact not found
  /contacts/{contactId}/messages:
    get:
      operationId: listContactMessages
      summary: List messages for a contact
      description: Retrieves all messages associated with a specific contact.
      tags:
      - Contacts
      parameters:
      - $ref: '#/components/parameters/contactIdParam'
      - $ref: '#/components/parameters/offsetParam'
      - $ref: '#/components/parameters/limitParam'
      responses:
        '200':
          description: A list of messages
          content:
            application/json:
              schema:
                type: object
                properties:
                  offset:
                    type: integer
                  limit:
                    type: integer
                  count:
                    type: integer
                  totalCount:
                    type: integer
                  items:
                    type: array
                    items:
                      type: object
        '401':
          description: Unauthorized
        '404':
          description: Contact not found
components:
  parameters:
    contactIdParam:
      name: contactId
      in: path
      required: true
      description: The unique identifier of the contact.
      schema:
        type: string
    offsetParam:
      name: offset
      in: query
      required: false
      description: The number of items to skip.
      schema:
        type: integer
        default: 0
    limitParam:
      name: limit
      in: query
      required: false
      description: The maximum number of items to return.
      schema:
        type: integer
        default: 20
  schemas:
    Contact:
      type: object
      properties:
        id:
          type: string
          description: The unique identifier of the contact.
        href:
          type: string
          format: uri
          description: The URL of the contact resource.
        msisdn:
          type: string
          description: The phone number of the contact.
        firstName:
          type: string
          description: The first name of the contact.
        lastName:
          type: string
          description: The last name of the contact.
        custom1:
          type: string
          description: Custom field 1.
        custom2:
          type: string
          description: Custom field 2.
        custom3:
          type: string
          description: Custom field 3.
        custom4:
          type: string
          description: Custom field 4.
        groups:
          type: object
          description: Links to the groups the contact belongs to.
          properties:
            href:
              type: string
              format: uri
            totalCount:
              type: integer
        messages:
          type: object
          description: Links to messages associated with the contact.
          properties:
            href:
              type: string
              format: uri
            totalCount:
              type: integer
        createdDatetime:
          type: string
          format: date-time
          description: The date and time when the contact was created.
        updatedDatetime:
          type: string
          format: date-time
          description: The date and time when the contact was last updated.
    ContactList:
      type: object
      properties:
        offset:
          type: integer
          description: The offset of the result set.
        limit:
          type: integer
          description: The limit applied to the result set.
        count:
          type: integer
          description: The number of items returned.
        totalCount:
          type: integer
          description: The total number of contacts.
        items:
          type: array
          items:
            $ref: '#/components/schemas/Contact'
    ContactCreate:
      type: object
      required:
      - msisdn
      properties:
        msisdn:
          type: string
          description: The phone number of the contact in international format.
        firstName:
          type: string
          description: The first name of the contact.
        lastName:
          type: string
          description: The last name of the contact.
        custom1:
          type: string
          description: Custom field 1.
        custom2:
          type: string
          description: Custom field 2.
        custom3:
          type: string
          description: Custom field 3.
        custom4:
          type: string
          description: Custom field 4.
    ContactUpdate:
      type: object
      properties:
        firstName:
          type: string
          description: The first name of the contact.
        lastName:
          type: string
          description: The last name of the contact.
        msisdn:
          type: string
          description: The phone number of the contact.
        custom1:
          type: string
          description: Custom field 1.
        custom2:
          type: string
          description: Custom field 2.
        custom3:
          type: string
          description: Custom field 3.
        custom4:
          type: string
          description: Custom field 4.
  securitySchemes:
    accessKey:
      type: apiKey
      in: header
      name: Authorization
      description: Access key authentication in the form of 'AccessKey {accessKey}'.
externalDocs:
  description: Contacts API Documentation
  url: https://developers.messagebird.com/api/contacts/