Avalara

Communications Tax API

The Avalara Communications Tax API (SaasPro) provides communications tax calculations using information provided by jurisdiction codes, enabling tax calculations on invoices and line items, jurisdiction determination via geocoding, and profile customization.

Documentation GitHub OpenAPI

Documentation

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Documentation

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

Specifications

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OpenAPI

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