Reference Guide
Everything you need to know about the available API requests.
Here's a list of API requests supported in the service:
| API | Description |
|---|---|
| Calculation API Requests | Use these tax calculation requests with the Tax Calculation and Tax GIS API. |
| Reporting API Requests | Use these reporting requests to integrate reports into your financial host system. |
| Vertex Invoice IQ API Requests | Use these requests for tax-compliant digital invoices in the invoicing service. |
| Vertex Validator API Requests | Use these requests to validate tax numbers in the validation service. |
For more information about mandatory, deprecated, and inactive fields, see Field Information.