> ## Documentation Index
> Fetch the complete documentation index at: https://developer.amplify.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# Get a fax transmission receipt

> Download a fax transmission receipt as a Base64-encoded PDF.

Provide the required fax `job_id` and its `direction`. The response contains the receipt as a `data:application/pdf;base64,...` data URL.


## OpenAPI

````yaml POST /v1/faxes/transmission-receipt
openapi: 3.1.0
info:
  title: Amplify Customer API
  version: 1.0.0
  description: |-
    Canonical contract for the Amplify customer-facing API. This YAML file is
    the source of truth for Postman and Mintlify. Operations marked with
    x-amplify-validation-status: pending were migrated from the legacy Postman
    collection and must be validated before their contract is considered final.
servers:
  - url: https://api.amplify.xyz
    description: Production
  - url: https://dev-api.amplify.xyz
    description: Development
security: []
tags:
  - name: Authentication
  - name: Fax
  - name: Send Faxes
  - name: Receive Faxes
  - name: Manage Faxes
  - name: Workspace
  - name: Numbers
  - name: Contacts
  - name: Documents
  - name: Templates
paths:
  /v1/faxes/transmission-receipt:
    post:
      tags:
        - Manage Faxes
      summary: Get a fax transmission receipt
      description: Returns a fax transmission receipt as a Base64-encoded PDF data URL.
      operationId: postv1FaxesTransmissionReceipt
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              additionalProperties: false
              required:
                - job_id
                - direction
              properties:
                job_id:
                  type: string
                direction:
                  type: string
                  enum:
                    - inbound
                    - outbound
            example:
              job_id: 01KKGWHA9ZES6M918QWHJPBPBB
              direction: outbound
      responses:
        '200':
          description: Transmission receipt downloaded successfully.
          content:
            application/json:
              schema:
                type: object
                required:
                  - status
                  - message
                  - data
                properties:
                  status:
                    type: integer
                  message:
                    type: string
                  data:
                    type: string
                    description: PDF represented as a Base64 data URL.
              example:
                status: 1
                message: Transmission receipt downloaded successfully
                data: data:application/pdf;base64,<base64-encoded PDF>
        '404':
          description: The fax could not be found.
          content:
            application/json:
              schema:
                type: object
                required:
                  - status
                  - message
                properties:
                  status:
                    type: integer
                  message:
                    type: string
              example:
                status: 0
                message: Fax don`t exits
      security:
        - bearerAuth: []
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer

````