Zoho Emails API

openapi: 3.1.0
info:
  title: Helpcenter Emails API
  version: 1.0.0
tags:
- name: Emails
paths:
  /{module}/{recordId}/Emails/actions/download_attachments:
    get:
      summary: Get Download Attachments Details
      description: Fetches the binary content of an email attachment for a specific record.
      operationId: downloadEmailAttachments
      parameters:
      - $ref: '#/components/parameters/Module'
      - $ref: '#/components/parameters/RecordId'
      - $ref: '#/components/parameters/UserId'
      - $ref: '#/components/parameters/MessageId'
      - $ref: '#/components/parameters/Id'
      - $ref: '#/components/parameters/Name'
      responses:
        '200':
          description: Attachment downloaded successfully
          content:
            application/octet-stream:
              schema:
                description: Binary stream of the attachment file.
                type: string
                format: binary
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                description: Error response for validation or missing parameters.
                oneOf:
                - description: Generic validation error schema.
                  type: object
                  additionalProperties: false
                  properties:
                    status:
                      type: string
                      description: Error status
                      enum:
                      - error
                    code:
                      type: string
                      description: Error code
                      maxLength: 50
                    message:
                      type: string
                      description: Error message
                      maxLength: 500
                    details:
                      type: object
                      description: Context details
                      additionalProperties: true
                  required:
                  - status
                  - code
                  - message
                - description: Error for missing mandatory fields.
                  type: object
                  additionalProperties: false
                  properties:
                    status:
                      type: string
                      description: Status
                      enum:
                      - error
                    code:
                      type: string
                      description: Code
                      const: MANDATORY_NOT_FOUND
                    message:
                      type: string
                      description: Message
                      maxLength: 500
                  required:
                  - status
                  - code
                  - message
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      security:
      - iam-oauth2-schema:
        - ZohoCRM.modules.emails.READ
        - ZohoCRM.modules.leads.READ
      tags:
      - Emails
  /{module}/{recordId}/Emails/actions/download_inline_images:
    get:
      summary: Download inline images embedded in an email related to a record
      operationId: getDownloadInlineImages
      description: Download inline images embedded in an email related to a record.
      parameters:
      - $ref: '#/components/parameters/Module_2'
      - $ref: '#/components/parameters/RecordId_2'
      - $ref: '#/components/parameters/UserId_2'
      - $ref: '#/components/parameters/MessageId_2'
      - $ref: '#/components/parameters/Id_2'
      responses:
        '200':
          description: The inline image file.
          content:
            image/png:
              schema:
                type: string
                format: binary
                description: The binary content of the image file
        '400':
          description: Bad Request - Error in parameters or module.
          content:
            application/json:
              schema:
                description: Error response object for failed image download
                type: object
                additionalProperties: false
                properties:
                  status:
                    type: string
                    description: Status of the request
                    enum:
                    - error
                  code:
                    type: string
                    description: Error code identifying the issue
                    enum:
                    - INVALID_URL_PATTERN
                    - INVALID_DATA
                    - INVALID_REQUEST_METHOD
                    - INVALID_TOKEN
                    - INVALID_MODULE
                  message:
                    type: string
                    description: Human-readable error message
                    maxLength: 255
                  details:
                    type: object
                    description: Additional error details
                    additionalProperties: true
                    properties:
                      resource_path_index:
                        type: integer
                        format: int32
                        description: Index of the resource path causing the error
                required:
                - status
                - code
                - message
                - details
      security:
      - iam-oauth2-schema:
        - ZohoCRM.modules.emails.READ
        - ZohoCRM.modules.leads.all
        - ZohoCRM.modules.contacts.all
        - ZohoCRM.modules.deals.all
      tags:
      - Emails
components:
  parameters:
    UserId:
      name: user_id
      in: query
      required: true
      description: The ID of the user.
      schema:
        type: string
        maxLength: 20
    Id:
      name: id
      in: query
      required: true
      description: The attachment ID.
      schema:
        type: string
        maxLength: 100
    MessageId:
      name: message_id
      in: query
      required: true
      description: The ID of the email message.
      schema:
        type: string
        maxLength: 100
    Module:
      name: module
      in: path
      required: true
      description: The API name of the CRM module.
      schema:
        type: string
        maxLength: 100
    RecordId:
      name: recordId
      in: path
      required: true
      description: The unique record ID.
      schema:
        type: string
        maxLength: 20
    Name:
      name: name
      in: query
      required: true
      description: The attachment name.
      schema:
        type: string
        maxLength: 255
    UserId_2:
      name: user_id
      in: query
      required: true
      description: The unique ID of the record owner.
      schema:
        type: string
        maxLength: 100
    Id_2:
      name: id
      in: query
      required: true
      description: The unique ID of the inline image attachment.
      schema:
        type: string
        maxLength: 100
    MessageId_2:
      name: message_id
      in: query
      required: true
      description: The message ID from the email response.
      schema:
        type: string
        maxLength: 100
    Module_2:
      name: module
      in: path
      required: true
      description: The API name of the module.
      schema:
        type: string
        maxLength: 50
    RecordId_2:
      name: recordId
      in: path
      required: true
      description: The unique ID of the record.
      schema:
        type: string
        maxLength: 100
  schemas:
    ErrorResponse:
      description: Standard Zoho CRM error response structure.
      type: object
      additionalProperties: false
      properties:
        status:
          type: string
          description: Status
          enum:
          - error
        code:
          type: string
          description: Error code
          maxLength: 100
        message:
          type: string
          description: Error message
          maxLength: 1000
        details:
          type: object
          description: Details
          additionalProperties: true
      required:
      - status
      - code
      - message
  securitySchemes:
    iam-oauth2-schema:
      $ref: ./Common.json#/components/securitySchemes/iam-oauth2-schema
x-entity: Helpcenter