openapi: 3.1.0
info:
  title: Avalara 1099 & W-9 1099 Forms Geocoding 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: Geocoding
  description: Determine tax jurisdictions from addresses
paths:
  /api/v2/geo/Geocode:
    post:
      operationId: geocode
      summary: Avalara Geocode an Address
      description: Determines the tax jurisdiction for a given address using geocoding. Returns jurisdiction codes (PCode, FIPS) needed for tax calculations.
      tags:
      - Geocoding
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/GeocodeRequest'
      responses:
        '200':
          description: Geocoding results
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GeocodeResult'
components:
  schemas:
    GeocodeRequest:
      type: object
      properties:
        ref:
          type: string
          description: Reference ID
        cass:
          type: boolean
          description: Whether to return CASS-certified address
        addr:
          type: string
          description: Street address
        city:
          type: string
        st:
          type: string
          description: State abbreviation
        zip:
          type: string
          description: ZIP code
    GeocodeResult:
      type: object
      properties:
        ref:
          type: string
        cass:
          type: object
          properties:
            addr:
              type: string
            city:
              type: string
            st:
              type: string
            zip:
              type: string
        cBlk:
          type: string
          description: Census block group
        cTrc:
          type: string
          description: Census tract
        err:
          type: string
          description: Error message if geocoding failed
        geo:
          type: boolean
          description: Whether geocoding was successful
        lat:
          type: number
          format: double
        long:
          type: number
          format: double
        pcd:
          type: integer
          description: PCode for the determined jurisdiction
        fips:
          type: string
          description: FIPS code
  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/