Avalara

Avalara Companies API

Manage payer company records

Documentation GitHub OpenAPI

Operations 27

GET /companies Avalara List Payer Companies #

POST /companies Avalara Create a Payer Company #

GET /api/v2/companies Avalara List All Companies #

POST /api/v2/companies Avalara Create a New Company #

GET /api/v2/companies/{id} Avalara Retrieve a Company by ID #

PUT /api/v2/companies/{id} Avalara Update a Company #

DELETE /api/v2/companies/{id} Avalara Delete a Company #

POST /api/v2/companies/initialize Avalara Initialize a New Company with Recommended Defaults #

GET /companies/{companyId} Avalara Get a Company by ID #

PUT /companies/{companyId} Avalara Update a Company Record #

DELETE /companies/{companyId} Avalara Delete a Company Record #

GET /api/v2/companies/{id}/certify Avalara CertifyIntegration #

POST /api/v2/companies/{id}/filingstatus Avalara ChangeFilingStatus #

GET /api/v2/companies/{id}/filingstatus Avalara GetFilingStatus #

POST /api/v2/companies/{companyId}/parameters Avalara CreateCompanyParameters #

GET /api/v2/companies/{companyId}/parameters Avalara ListCompanyParameterDetails #

POST /api/v2/companies/{id}/funding/setup Avalara CreateFundingRequest #

DELETE /api/v2/companies/{companyId}/parameters/{id} Avalara DeleteCompanyParameter #

GET /api/v2/companies/{companyId}/parameters/{id} Avalara GetCompanyParameterDetail #

PUT /api/v2/companies/{companyId}/parameters/{id} Avalara UpdateCompanyParameterDetail #

GET /api/v2/companies/{companyId}/funding/configuration Avalara FundingConfigurationByCompany #

GET /api/v2/companies/{companyId}/funding/configurations Avalara FundingConfigurationsByCompanyAndCurrency #

GET /api/v2/companies/{id}/configuration Avalara GetCompanyConfiguration #

POST /api/v2/companies/{id}/configuration Avalara SetCompanyConfiguration #

GET /api/v2/companies/{id}/paymentdetails/{periodyear}/{periodmonth} Avalara ListACHEntryDetailsForCompany #

GET /api/v2/companies/{id}/funding Avalara ListFundingRequestsByCompany #

GET /api/v2/companies/mrs Avalara ListMrsCompanies #

Documentation

https://developer.avalara.com/api-reference/avatax/rest/v2/

https://developer.avalara.com/api-reference/communications/v2/

https://developer.avalara.com/api-reference/excise/v1/

https://developer.avalara.com/api-reference/item-classification/v2/

https://developer.avalara.com/api-reference/avatax-brazil/v1/

https://developer.avalara.com/api-reference/vat-reporting/v1/

https://developer.avalara.com/api-reference/myLodgeAPI/tax/

https://developer.avalara.com/api-reference/CertCapture/v2/

https://developer.avalara.com/api-reference/e-invoicing/v1.0

https://developer.avalara.com/api-reference/activationService/activationService/

https://developer.avalara.com/api-reference/business/v1/

https://developer.avalara.com/api-reference/oauth/oauth/

https://developer.avalara.com/api-reference/sharedservice/sharedCompanyService/

https://developer.avalara.com/api-reference/hscodeclassification/hscodeclassification/

https://developer.avalara.com/api-reference/avalara1099/avalara1099/

Specifications

https://raw.githubusercontent.com/api-evangelist/avalara/refs/heads/main/openapi/avalara-companies-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/avalara/refs/heads/main/asyncapi/avalara-certcapture-sqs-asyncapi.yml

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/avalara-companies-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: Avalara Companies API
  version: '1.0'
  description: 'Operations tagged Companies across 5 of this provider''s published API definitions: avalara-1099-w9-openapi.yml, avalara-avatax-brazil-openapi.yml, avalara-avatax-rest-openapi.yml, avalara-shared-company-service-openapi.yml, avatax-apis-openapi.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://api.avalara.com/1099/v1
  description: 1099 API Production
- url: https://api.sbx.avalara.com/1099/v1
  description: 1099 API Sandbox
- url: https://avataxbr-sandbox.avalarabrasil.com.br/v3
  description: AvaTax Brazil Sandbox
- url: https://rest.avatax.com
  description: AvaTax Production
- url: https://sandbox-rest.avatax.com
  description: AvaTax Sandbox
- url: https://api.avalara.com/shared/v1
  description: Shared Company Service Production
- url: http://{{baseurl}}
tags:


# --- truncated at 32 KB (45 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/avalara/refs/heads/main/openapi/avalara-companies-api-openapi.yml