openapi: 3.1.0 info: title: Avalara 1099 & W-9 1099 Forms Registrations 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: Registrations description: Manage partner registrations paths: /registrations: get: operationId: listRegistrations summary: Avalara List All Registrations description: Retrieves all registrations for the authenticated partner. tags: - Registrations parameters: - name: status in: query schema: type: string enum: - Pending - Active - Expired - Cancelled - name: $top in: query schema: type: integer - name: $skip in: query schema: type: integer responses: '200': description: List of registrations content: application/json: schema: $ref: '#/components/schemas/RegistrationList' '401': $ref: '#/components/responses/Unauthorized' /registrations/{registrationId}: get: operationId: getRegistration summary: Avalara Get a Registration by ID description: Retrieves details for a specific registration. tags: - Registrations parameters: - name: registrationId in: path required: true schema: type: string responses: '200': description: Registration details content: application/json: schema: $ref: '#/components/schemas/Registration' '404': $ref: '#/components/responses/NotFound' components: 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' schemas: RegistrationList: type: object properties: '@recordSetCount': type: integer value: type: array items: $ref: '#/components/schemas/Registration' Registration: type: object properties: registrationId: type: string partnerId: type: string companyName: type: string status: type: string enum: - Pending - Active - Expired - Cancelled product: type: string description: Avalara product registered for accountId: type: string activationDate: type: string format: date-time expirationDate: type: string format: date-time createdDate: type: string format: date-time ErrorResponse: type: object properties: error: type: object properties: code: type: string message: type: string 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/