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

# Get carrier invoice approval request

> Retrieve a single carrier invoice approval request by its ID.



## OpenAPI

````yaml /api-reference/openapi.json get /api/rest/carrier_invoice_approval_requests/{id}
openapi: 3.1.0
info:
  description: >-
    Upwell is Accounts Receivable automation software for the logistics
    industry. We serve freight brokers, carriers, factors, and anyone who needs
    to get transportation invoices paid.


    Learn more at:


    - [Upwell.com](https://upwell.com)
  title: Upwell REST API
  version: 3.30.2
  termsOfService: https://upwell.com/legal
  contact:
    name: Upwell
    url: https://upwell.com
    email: contact@upwell.com
servers:
  - url: https://api.upwell.com
    description: Production server
  - url: https://staging.api.upwell.com
    description: Staging server
security: []
tags:
  - name: Invoice Approval
    description: Endpoints for managing customer invoice approval workflow
paths:
  /api/rest/carrier_invoice_approval_requests/{id}:
    get:
      tags:
        - Carrier Invoice Approval Requests
      summary: Get carrier invoice approval request
      description: Retrieve a single carrier invoice approval request by its ID.
      parameters:
        - description: >-
            Your API key will be used for authentication of the request.
            `Authorization: YOUR_API_KEY`
          in: header
          name: authorization
          schema:
            type: string
        - description: _"id" is required (enter it either in parameters or request body)_
          in: path
          name: id
          schema:
            type: string
          required: true
      responses:
        '200':
          content:
            application/json:
              schema:
                properties:
                  carrierInvoiceApprovalRequest:
                    description: >-
                      Tracks carrier invoice approval requests with retry logic
                      and state management
                    nullable: true
                    properties:
                      carrierInvoice:
                        description: >-
                          Invoices (payables) received from carriers (e.g. via
                          email)
                        nullable: false
                        properties:
                          carrier:
                            description: columns and relationships of "carriers"
                            nullable: true
                            properties:
                              id:
                                nullable: false
                                title: String
                                type: string
                              name:
                                nullable: true
                                title: String
                                type: string
                            title: Carriers
                            type: object
                          invoiceNumber:
                            nullable: true
                            title: String
                            type: string
                          totalAmount:
                            nullable: true
                            title: Int
                            type: integer
                        title: CarrierInvoices
                        type: object
                      carrierInvoiceId:
                        nullable: false
                        title: String
                        type: string
                      createdAt:
                        $ref: '#/components/schemas/timestamptz'
                      id:
                        nullable: false
                        title: String
                        type: string
                      retryCount:
                        nullable: false
                        title: Int
                        type: integer
                      status:
                        $ref: >-
                          #/components/schemas/CarrierInvoiceApprovalRequestStatusEnum
                      updatedAt:
                        $ref: '#/components/schemas/timestamptz'
                    title: CarrierInvoiceApprovalRequest
                    type: object
          description: Responses for GET /api/rest/carrier_invoice_approval_requests/{id}
components:
  schemas:
    timestamptz:
      nullable: false
      title: timestamptz
      type: string
      format: date-time
      description: >-
        A timestamp with timezone in ISO 8601 format, such as
        2024-12-16T21:57:14.525733+00:00
    CarrierInvoiceApprovalRequestStatusEnum:
      enum:
        - ABANDONED
        - FAILED
        - INITIATED
        - IN_PROGRESS
        - RETRYING
        - SUCCEEDED
      nullable: false
      title: CarrierInvoiceApprovalRequestStatusEnum

````