Salesforce Marketing Cloud Contacts API

openapi: 3.1.0
info:
  title: Salesforce Marketing Cloud REST Assets Contacts API
  description: The Salesforce Marketing Cloud REST API provides programmatic access to Marketing Cloud features including contacts, journeys, and assets. The API uses JSON request and response bodies and OAuth 2.0 authentication via the Marketing Cloud authentication endpoint. All API requests require a valid access token obtained through the Server-to-Server OAuth flow.
  version: 1.0.0
  termsOfService: https://www.salesforce.com/company/legal/
  contact:
    name: Salesforce Marketing Cloud Support
    url: https://help.salesforce.com/s/
    email: support@salesforce.com
  license:
    name: Salesforce Master Subscription Agreement
    url: https://www.salesforce.com/company/legal/agreements/
servers:
- url: https://{subdomain}.rest.marketingcloudapis.com
  description: Marketing Cloud REST API endpoint
  variables:
    subdomain:
      default: YOUR_SUBDOMAIN
      description: Your Marketing Cloud tenant-specific subdomain (e.g., mc563885gzs27c5t9-63k636ttgm). Obtain this from Setup > Apps > Installed Packages in Marketing Cloud.
security:
- OAuth2: []
tags:
- name: Contacts
  description: Create, retrieve, update, and delete contacts in Marketing Cloud. Contacts represent individuals who interact with your marketing campaigns across channels.
  externalDocs:
    description: Contacts API Documentation
    url: https://developer.salesforce.com/docs/marketing/marketing-cloud/references/mc_rest_contacts/createContacts.html
paths:
  /contacts/v1/contacts:
    post:
      operationId: createContacts
      summary: Salesforce Marketing Cloud Create Contacts
      description: Creates one or more contacts in Marketing Cloud. Each contact requires a contactKey as a unique identifier. You can include attribute values for any defined attribute sets such as Email Addresses, MobileConnect Demographics, or custom attribute sets.
      tags:
      - Contacts
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateContactsRequest'
            example:
              contactKey: example-contact-001
              attributeSets:
              - name: Email Addresses
                items:
                - values:
                  - name: Email Address
                    value: user@example.com
                  - name: HTML Enabled
                    value: true
      responses:
        '200':
          description: Contacts created successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContactResponse'
        '400':
          description: Bad request - invalid contact data
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized - invalid or expired access token
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '403':
          description: Forbidden - insufficient permissions
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '429':
          description: Too many requests - rate limit exceeded
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /contacts/v1/contacts/actions/search:
    post:
      operationId: searchContacts
      summary: Salesforce Marketing Cloud Search Contacts
      description: Searches for contacts using filter criteria. Supports filtering by contactKey, email address, or other contact attributes. Returns matching contacts with their associated attribute values.
      tags:
      - Contacts
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ContactSearchRequest'
            example:
              conditionSet:
                operator: AND
                conditionSets: []
                conditions:
                - attribute:
                    groupName: Email Addresses
                    name: Email Address
                  operator: Equals
                  value:
                    items:
                    - user@example.com
              returnAttributes:
              - groupName: Email Addresses
                name: Email Address
              - groupName: Email Addresses
                name: HTML Enabled
      responses:
        '200':
          description: Search results returned
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContactSearchResponse'
        '400':
          description: Bad request - invalid search criteria
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '429':
          description: Too many requests
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /contacts/v1/contacts/{contactKey}:
    get:
      operationId: getContact
      summary: Salesforce Marketing Cloud Retrieve a Contact by Contact Key
      description: Retrieves a single contact using the unique contactKey identifier. Returns the contact record with all associated attribute sets and values.
      tags:
      - Contacts
      parameters:
      - name: contactKey
        in: path
        required: true
        description: Unique identifier for the contact
        schema:
          type: string
      responses:
        '200':
          description: Contact retrieved successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Contact'
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Contact not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '429':
          description: Too many requests
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
    patch:
      operationId: updateContact
      summary: Salesforce Marketing Cloud Update a Contact
      description: Updates an existing contact's attributes. Provide only the attribute sets and values that need to be changed. Unspecified attributes remain unchanged.
      tags:
      - Contacts
      parameters:
      - name: contactKey
        in: path
        required: true
        description: Unique identifier for the contact
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdateContactRequest'
      responses:
        '200':
          description: Contact updated successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContactResponse'
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Contact not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '429':
          description: Too many requests
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
    delete:
      operationId: deleteContact
      summary: Salesforce Marketing Cloud Delete a Contact
      description: Initiates an asynchronous delete operation for a contact identified by contactKey. This operation removes the contact and associated data from Marketing Cloud. The delete process runs asynchronously and may take time to complete.
      tags:
      - Contacts
      parameters:
      - name: contactKey
        in: path
        required: true
        description: Unique identifier for the contact to delete
        schema:
          type: string
      responses:
        '200':
          description: Contact delete operation initiated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DeleteContactResponse'
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Contact not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '429':
          description: Too many requests
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /contacts/v1/attributeSets:
    get:
      operationId: listAttributeSets
      summary: Salesforce Marketing Cloud List Attribute Sets
      description: Retrieves all attribute sets defined in Marketing Cloud. Attribute sets define the structure of contact data, including system attribute sets like Email Addresses and MobileConnect Demographics, as well as custom attribute sets.
      tags:
      - Contacts
      responses:
        '200':
          description: Attribute sets retrieved
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AttributeSetsResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '429':
          description: Too many requests
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  schemas:
    ContactSearchRequest:
      type: object
      description: Request body for searching contacts with filter criteria
      properties:
        conditionSet:
          type: object
          description: Root condition set for the search
          properties:
            operator:
              type: string
              enum:
              - AND
              - OR
            conditions:
              type: array
              items:
                type: object
                properties:
                  attribute:
                    type: object
                    properties:
                      groupName:
                        type: string
                      name:
                        type: string
                  operator:
                    type: string
                    enum:
                    - Equals
                    - NotEquals
                    - GreaterThan
                    - LessThan
                    - Contains
                    - StartsWith
                    - EndsWith
                    - IsNull
                    - IsNotNull
                  value:
                    type: object
                    properties:
                      items:
                        type: array
                        items:
                          type: string
            conditionSets:
              type: array
              items: {}
          example: example_value
        returnAttributes:
          type: array
          description: Attributes to include in the search results
          items:
            type: object
            properties:
              groupName:
                type: string
              name:
                type: string
          example: []
    ErrorResponse:
      type: object
      description: Standard error response returned by the Marketing Cloud API
      properties:
        message:
          type: string
          description: Human-readable error message
          example: example_value
        errorcode:
          type: integer
          description: Numeric error code
          example: 10
        documentation:
          type: string
          description: URL to relevant documentation for this error
          example: example_value
    AttributeSet:
      type: object
      description: A named collection of attributes that define a category of contact data, such as Email Addresses or MobileConnect Demographics.
      properties:
        name:
          type: string
          description: Name of the attribute set
          example: Example Title
        items:
          type: array
          description: Collection of attribute value groups
          items:
            type: object
            properties:
              values:
                type: array
                items:
                  $ref: '#/components/schemas/AttributeValue'
          example: []
    DeleteContactResponse:
      type: object
      description: Response from a contact delete operation
      properties:
        operationStatus:
          type: string
          example: example_value
        requestServiceMessageID:
          type: string
          example: '500123'
        responseDateTime:
          type: string
          format: date-time
          example: '2026-01-15T10:30:00Z'
        operationInitiated:
          type: boolean
          description: Whether the asynchronous delete was successfully initiated
          example: true
    ContactSearchResponse:
      type: object
      description: Response returned from a contact search operation
      properties:
        count:
          type: integer
          description: Total number of matching contacts
          example: 10
        page:
          type: integer
          example: 10
        pageSize:
          type: integer
          example: 10
        items:
          type: array
          items:
            $ref: '#/components/schemas/Contact'
          example: []
    ContactResponse:
      type: object
      description: Response returned after contact creation or update operations
      properties:
        operationStatus:
          type: string
          description: Overall status of the operation
          example: example_value
        requestServiceMessageID:
          type: string
          description: Unique identifier for the request
          example: '500123'
        responseDateTime:
          type: string
          format: date-time
          example: '2026-01-15T10:30:00Z'
        resultMessages:
          type: array
          items:
            type: object
            properties:
              resultType:
                type: string
              resultCode:
                type: string
              resultMessage:
                type: string
          example: []
    UpdateContactRequest:
      type: object
      description: Request body for updating contact attributes
      properties:
        attributeSets:
          type: array
          description: Attribute sets and values to update
          items:
            $ref: '#/components/schemas/AttributeSet'
          example: []
      required:
      - attributeSets
    CreateContactsRequest:
      type: object
      description: Request body for creating one or more contacts
      properties:
        contactKey:
          type: string
          description: Unique identifier for the contact
          example: example_value
        attributeSets:
          type: array
          description: Attribute sets and values to assign to the contact
          items:
            $ref: '#/components/schemas/AttributeSet'
          example: []
      required:
      - contactKey
    Contact:
      type: object
      description: Represents a contact in Marketing Cloud. A contact is an individual who interacts with marketing campaigns across channels.
      properties:
        contactKey:
          type: string
          description: Unique identifier for the contact. This value is used across all Marketing Cloud channels and applications.
          example: example_value
        contactID:
          type: integer
          description: System-generated unique numeric identifier
          example: '500123'
        contactStatus:
          type: string
          description: Current status of the contact
          enum:
          - Active
          - Inactive
          - Bounced
          - Held
          - Unsubscribed
          example: Active
        createdDate:
          type: string
          format: date-time
          description: Date and time the contact was created
          example: '2026-01-15T10:30:00Z'
        modifiedDate:
          type: string
          format: date-time
          description: Date and time the contact was last modified
          example: '2026-01-15T10:30:00Z'
        attributeSets:
          type: array
          description: Collection of attribute sets associated with the contact
          items:
            $ref: '#/components/schemas/AttributeSet'
          example: []
      required:
      - contactKey
    AttributeSetsResponse:
      type: object
      description: Response containing a collection of attribute sets
      properties:
        count:
          type: integer
          example: 10
        items:
          type: array
          items:
            type: object
            properties:
              name:
                type: string
              attributes:
                type: array
                items:
                  type: object
                  properties:
                    name:
                      type: string
                    dataType:
                      type: string
                    isRequired:
                      type: boolean
                    isReadOnly:
                      type: boolean
          example: []
    AttributeValue:
      type: object
      description: A single attribute name-value pair within an attribute set
      properties:
        name:
          type: string
          description: Name of the attribute
          example: Example Title
        value:
          description: Value of the attribute
          example: example_value
      required:
      - name
      - value
  securitySchemes:
    OAuth2:
      type: oauth2
      description: Marketing Cloud uses OAuth 2.0 client credentials flow for authentication. Obtain a client ID and secret from an installed package in Marketing Cloud Setup, then exchange them for an access token at the authentication endpoint.
      flows:
        clientCredentials:
          tokenUrl: https://YOUR_SUBDOMAIN.auth.marketingcloudapis.com/v2/token
          scopes: {}