openapi: 3.1.0
info:
  title: Avalara 1099 & W-9 1099 Forms Classification Requests API
  description: The Avalara 1099 and W-9 API automates collection, validation, and e-filing of IRS forms including 1099 variants (1099-NEC, 1099-MISC, 1099-K, 1099-INT, 1099-DIV), 1095 forms, W-2, and 1042-S. It provides endpoints for creating, updating, managing, and filing various IRS information returns.
  version: '1.0'
  contact:
    name: Avalara Developer Relations
    url: https://developer.avalara.com/
    email: developer.relations@avalara.com
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
  termsOfService: https://legal.avalara.com/#siteterms
servers:
- url: https://api.avalara.com/1099/v1
  description: 1099 API Production
- url: https://api.sbx.avalara.com/1099/v1
  description: 1099 API Sandbox
security:
- bearerAuth: []
tags:
- name: Classification Requests
  description: Submit and manage product classification requests
paths:
  /classification-requests:
    post:
      operationId: createClassificationRequest
      summary: Avalara Submit Products for Classification
      description: Submits one or more products for HS Code classification. Products are classified based on their descriptions and attributes for the specified destination country.
      tags:
      - Classification Requests
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ClassificationRequest'
      responses:
        '202':
          description: Classification request accepted
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClassificationRequestResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
    get:
      operationId: listClassificationRequests
      summary: Avalara List Classification Requests
      description: Retrieves a list of submitted classification requests and their statuses.
      tags:
      - Classification Requests
      parameters:
      - name: status
        in: query
        schema:
          type: string
          enum:
          - Pending
          - InProgress
          - Completed
          - Failed
      - name: $top
        in: query
        schema:
          type: integer
      - name: $skip
        in: query
        schema:
          type: integer
      responses:
        '200':
          description: List of classification requests
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClassificationRequestList'
  /classification-requests/{requestId}:
    get:
      operationId: getClassificationRequest
      summary: Avalara Get Classification Request Status
      description: Retrieves the status and results of a classification request.
      tags:
      - Classification Requests
      parameters:
      - name: requestId
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Classification request details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClassificationRequestDetail'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  schemas:
    ClassificationRequestSummary:
      type: object
      properties:
        requestId:
          type: string
        status:
          type: string
        itemCount:
          type: integer
        submittedDate:
          type: string
          format: date-time
        completedDate:
          type: string
          format: date-time
    ClassificationRequestList:
      type: object
      properties:
        '@recordSetCount':
          type: integer
        value:
          type: array
          items:
            $ref: '#/components/schemas/ClassificationRequestSummary'
    ClassificationItem:
      type: object
      required:
      - description
      properties:
        itemCode:
          type: string
          description: Unique item identifier
        description:
          type: string
          description: Product description for classification
        summary:
          type: string
          description: Short product summary
        attributes:
          type: object
          additionalProperties:
            type: string
          description: Additional product attributes for classification
    ClassificationRequestResponse:
      type: object
      properties:
        requestId:
          type: string
        status:
          type: string
          enum:
          - Pending
          - InProgress
        itemCount:
          type: integer
        submittedDate:
          type: string
          format: date-time
    ErrorResponse:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
            message:
              type: string
    ClassificationRequest:
      type: object
      required:
      - items
      properties:
        items:
          type: array
          items:
            $ref: '#/components/schemas/ClassificationItem'
        destinationCountry:
          type: string
          description: ISO 3166-1 alpha-2 destination country code
    ClassificationRequestDetail:
      type: object
      properties:
        requestId:
          type: string
        status:
          type: string
          enum:
          - Pending
          - InProgress
          - Completed
          - Failed
        itemCount:
          type: integer
        classifiedCount:
          type: integer
        submittedDate:
          type: string
          format: date-time
        completedDate:
          type: string
          format: date-time
  responses:
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    Unauthorized:
      description: Authentication failed
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    BadRequest:
      description: Invalid request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: OAuth 2.0 bearer token
externalDocs:
  description: 1099 & W-9 API Documentation
  url: https://developer.avalara.com/api-reference/avalara1099/avalara1099/