> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://avalara.ferndocs.com/docs/integration-guides/communications-tax/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://avalara.ferndocs.com/_mcp/server. # Communications tax Integrated compliance solutions developed specifically for the quickly evolving communications industry. #### [Communications integration](/docs/communications-tax/comms-integration/get-started) Integration guide. #### [Communications REST v2 Developer Guide](/docs/communications-tax/comms-rest-v2/account-creation) Integration guide. #### [Communications Geo SaaS Pro SOAP guide](/docs/communications-tax/comms-geo-soap/account-creation) Integration guide. > API solutions for end-to-end tax compliance. ## Docs - [Get started](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-integration/get-started.md) - [Build](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-integration/build.md) - [Get certified](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-integration/get-certified.md) - [Account Creation](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/account-creation.md) - [Authentication](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/authentication.md) - [Environments and Endpoints](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/environments-and-endpoints.md) - [Demo Application](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/demo-application.md) - [Best Practices](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/best-practices.md) - [Required Fields](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/required-fields.md) - [Commit Request](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/commit-request.md) - [Client Profiles](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/client-profiles.md) - [Account Customizations](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/account-customizations.md) - [Transaction Use Cases](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/transaction-use-cases.md) - [Jurisdiction Determination Use Cases](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/jurisdiction-determination-use-cases.md) - [Calculate Taxes](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/calculate-taxes.md) - [Commit](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/commit.md) - [Jurisdiction Determination](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/jurisdiction-determination.md) - [Lookups](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/lookups.md) - [Customization](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/customization.md) - [Errors](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/errors.md) - [Detecting a Dropped Connection](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/detecting-a-dropped-connection.md) - [Retry or Fallback](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/retry-or-fallback.md) - [Data Recovery Using Commit/Uncommit](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/data-recovery-using-commit-uncommit.md) - [Reconcile Your Transactions](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/reconcile-your-transactions.md) - [Geocode Offline](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-rest-v2/geocode-offline.md) - [Account Creation](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-geo-soap/account-creation.md) - [Endpoints and Methods](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-geo-soap/endpoints-and-methods.md) - [Sample Messages](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-geo-soap/sample-messages.md) - [Best Practices](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-geo-soap/best-practices.md) - [Address Geocoding](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-geo-soap/address-geocoding.md) - [Latitude/Longitude Geocoding](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-geo-soap/latitude-longitude-geocoding.md) - [Special Tax Jurisdictions](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-geo-soap/special-tax-jurisdictions.md) - [Scoring](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-geo-soap/scoring.md) - [Geocode Address](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-geo-soap/geocode-address.md) - [Geocode All Matches](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-geo-soap/geocode-all-matches.md) - [Geocode Lat Long](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-geo-soap/geocode-lat-long.md) - [Special Tax Jurisdictions](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-geo-soap/special-tax-jurisdictions-11.md) - [Florida Certified](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-geo-soap/florida-certified.md) - [Requests](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-geo-soap/requests.md) - [Responses](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-geo-soap/responses.md) - [Errors](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-geo-soap/errors.md) - [Detect a Dropped Connection](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-geo-soap/detect-a-dropped-connection.md) - [Retry or Fallback](https://avalara.ferndocs.com/docs/integration-guides/communications-tax/comms-geo-soap/retry-or-fallback.md)