openapi: 3.2.0
info:
  title: REST API for Oracle Eloqua Marketing Cloud Service Application/2.0/Signature Rules API
  description: The Oracle Eloqua Marketing Cloud Service REST APIs enable you to extend the functionality of the product, build Apps, and perform high volume data transfers.
  version: 2026.08.07
  x-summary: The Oracle Eloqua Marketing Cloud Service REST APIs enable you to extend the functionality of the product, build Apps, and perform high volume data transfers.
tags:
- name: Application/2.0/Signature Rules
  description: Signature rules API endpoints.
paths:
  /api/rest/2.0/assets/email/signature/rule/{id}:
    get:
      operationId: ReadIndividualGETRest20
      parameters:
      - name: id
        in: path
        description: Id of the signature rule to retrieve.
        required: true
        schema:
          type: integer
      - name: depth
        in: query
        description: 'Level of detail returned by the request. Eloqua APIs can retrieve entities at three different levels of depth: <code>minimal</code>, <code>partial</code>, and <code>complete</code>. Any other values passed are reset to <code>complete</code> by default. For more information, see <a href=''https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=RequestDepth''>Request depth</a>.'
        required: false
        schema:
          type: string
      summary: Retrieve a signature rule
      description: Retrieves the signature rule specified by the <code>id</code> parameter.
      responses:
        '200':
          description: OK.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EmailSignatureRuleRest20'
        '400':
          description: Bad request. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '401':
          description: Unauthorized. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '403':
          description: Forbidden. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '404':
          description: The requested resource was not found. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '500':
          description: The service has encountered an error. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
      tags:
      - Application/2.0/Signature Rules
      x-internal-id: api-rest-2.0-assets-email-signature-rule-{id}-get
      x-filename-id: api-rest-2.0-assets-email-signature-rule-id-get
    put:
      operationId: UpdateIndividualPUTRest20
      parameters:
      - name: id
        in: path
        description: Id of the signature rule to update.
        required: true
        schema:
          type: integer
      summary: Update a signature rule
      description: 'Updates the signature rule specified by the <code>id</code> parameter.

        All properties should be included in PUT requests, as some properties will be considered blank if not included.

        The settings for <code>contactFieldId</code>, <code>customObjectFieldId </code>, and <code>eventRegistrationId </code> are exclusive. Providing more than one of these values will result in an error.'
      responses:
        '200':
          description: OK.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EmailSignatureRuleRest20'
        '400':
          description: Bad request. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '401':
          description: Unauthorized. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '403':
          description: Forbidden. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '404':
          description: The requested resource was not found. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '500':
          description: The service has encountered an error. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
      tags:
      - Application/2.0/Signature Rules
      x-internal-id: api-rest-2.0-assets-email-signature-rule-{id}-put
      x-filename-id: api-rest-2.0-assets-email-signature-rule-id-put
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/EmailSignatureRuleRest20'
        description: The request body defines the details of the signature rule to be updated.
        required: true
    delete:
      operationId: DeleteIndividualDELETERest20
      parameters:
      - name: id
        in: path
        description: Id of the signature rule to delete.
        required: true
        schema:
          type: integer
      summary: Delete a signature rule
      description: Deletes a signature rule specified by the <code>id</code> parameter.
      responses:
        '200':
          description: OK.
        '400':
          description: Bad request. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '401':
          description: Unauthorized. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '403':
          description: Forbidden. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '404':
          description: The requested resource was not found. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '500':
          description: The service has encountered an error. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
      tags:
      - Application/2.0/Signature Rules
      x-internal-id: api-rest-2.0-assets-email-signature-rule-{id}-delete
      x-filename-id: api-rest-2.0-assets-email-signature-rule-id-delete
  /api/rest/2.0/assets/email/signature/rules:
    get:
      operationId: SearchGETRest20
      parameters:
      - name: depth
        in: query
        description: 'Level of detail returned by the request. Eloqua APIs can retrieve entities at three different levels of depth: <code>minimal</code>, <code>partial</code>, and <code>complete</code>. Any other values passed are reset to <code>minimal</code> by default.'
        required: false
        schema:
          type: string
      - name: count
        in: query
        description: Maximum number of entities to return. Must be less than or equal to 1000 and greater than or equal to 1.
        required: false
        schema:
          type: integer
      - name: page
        in: query
        description: Specifies which page of entities to return (the count parameter defines the number of entities per page). If the page parameter is not supplied, 1 will be used by default.
        required: false
        schema:
          type: integer
      - name: search
        in: query
        description: Specifies the search criteria used to retrieve entities. See the <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=SearchParam'>tutorial</a> for information about using this parameter.
        required: false
        schema:
          type: string
      - name: orderBy
        in: query
        description: Specifies the field by which list results are ordered, and the direction. The direction will default to ASC if not specified. See the <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAC/APIRequests_URLParameters.html'>URL parameters</a> for information.
        required: false
        schema:
          type: string
      - name: lastUpdatedAt
        in: query
        description: Unix timestamp for the date and time the external asset was last updated.
        required: false
        schema:
          type: integer
      summary: Retrieve a list of signature rules
      description: Retrieves all signature rules that match the criteria specified by the request parameters.
      responses:
        '200':
          description: OK.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/QueryResultRuleRest20'
        '400':
          description: Bad request. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '401':
          description: Unauthorized. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '403':
          description: Forbidden. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '404':
          description: The requested resource was not found. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '500':
          description: The service has encountered an error. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
      tags:
      - Application/2.0/Signature Rules
      x-internal-id: api-rest-2.0-assets-email-signature-rules-get
      x-filename-id: api-rest-2.0-assets-email-signature-rules-get
  /api/rest/2.0/assets/email/signature/rule:
    post:
      operationId: CreateIndividualPOSTRest20
      summary: Create a signature rule
      description: 'Creates a signature rule with the provided settings.

        The settings for <code>contactFieldId</code>, <code>customObjectFieldId </code>, and <code>eventRegistrationId </code> are exclusive. Providing more than one of these values will result in an error.'
      responses:
        '201':
          description: Success.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EmailSignatureRuleRest20'
        '400':
          description: Bad request. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '401':
          description: Unauthorized. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '403':
          description: Forbidden. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '404':
          description: The requested resource was not found. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '500':
          description: The service has encountered an error. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
      tags:
      - Application/2.0/Signature Rules
      x-internal-id: api-rest-2.0-assets-email-signature-rule-post
      x-filename-id: api-rest-2.0-assets-email-signature-rule-post
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/EmailSignatureRuleRest20'
        description: The request body defines the details of the signature rule to be created.
        required: true
components:
  schemas:
    QueryResultRuleRest20:
      title: QueryResultRule
      properties:
        type:
          type: string
          description: The asset's type in Eloqua.
        elements:
          type: array
          description: Array of signature rules.
          items:
            $ref: '#/components/schemas/EmailSignatureRuleRest20'
        total:
          type: integer
          description: The total amount of results.
        pageSize:
          type: integer
          description: The page size.
        page:
          type: integer
          description: The specified page.
    EmailSignatureRuleRest20:
      title: EmailSignatureRule
      properties:
        type:
          type: string
          description: The asset's type in Eloqua. This is a read-only property.
        id:
          type: string
          readOnly: true
          description: Id of the signature rule. This is a read-only property.
        name:
          type: string
          description: The name of the signature rule.
        permissions:
          type: array
          description: The permissions for the signature rule granted to your current instance. This is a read-only property.
          items:
            type: string
        createdBy:
          type: string
          readOnly: true
          description: The login id of the user who created the signature rule.
        createdByName:
          type: string
          description: The name of the user who created the signature rule.
        createdAt:
          type: string
          readOnly: true
          description: The date and time the signature rule was created, expressed in Unix time.
        updatedBy:
          type: string
          readOnly: true
          description: The login id of the user who last updated the signature rule.
        updatedByName:
          type: string
          description: The name of the user who last updated the signature rule.
        updatedAt:
          type: string
          readOnly: true
          description: The date and time the signature rule was last updated, expressed in Unix time.
        depth:
          type: string
          readOnly: true
          description: 'Level of detail returned by the request. Eloqua APIs can retrieve entities at three different levels of depth: <code>minimal</code>, <code>partial</code>, and <code>complete</code>. Any other values passed are reset to <code>complete</code> by default. For more information, see <a href=''https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=RequestDepth''>Request depth</a>.'
        defaultSenderId:
          type: string
          description: The id of the user that will be used as the default sender if no mappings are matched.
        contactFieldId:
          type: string
          description: The id for the contact field to be used when matching a contact to a mapping.
        customObjectFieldId:
          type: string
          description: The id for the custom object field to be used when matching a contact to a mapping.
        eventRegistrationFieldId:
          type: string
          description: The id for the event field to be used when matching a contact to a mapping.
        isPersonalizeFromName:
          type: string
          description: Flag to enable personalizing the from name.
        isPersonalizeFromAddress:
          type: string
          description: Flag to enable personalizing the from address.
        isPersonalizeReplyName:
          type: string
          description: Flag to enable personalizing the reply to name.
        isPersonalizeReplyAddress:
          type: string
          description: Flag to enable personalizing the reply to address.