# TaxJar Validations API

**Canonical:** https://apis.io/apis/taxjar/taxjar-validations-api/  
**Provider:** TaxJar — https://apis.io/providers/taxjar/  
**Base URL:** https://api.taxjar.com/v2/  
**Documentation:** https://developers.taxjar.com/api/reference/

TaxJar Validations API is one of 9 APIs that [TaxJar](https://apis.io/providers/taxjar/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 2 JSON Schema definitions. Tagged areas include Validations. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and 2 JSON Schemas.

Address and VAT validation

## Machine-readable artifacts (6)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/taxjar/refs/heads/main/openapi/taxjar-validations-api-openapi.yml
- **Documentation** — https://developers.taxjar.com/api/reference/
- **Guides** — https://developers.taxjar.com/api/guides/
- **Sandbox** — https://api.sandbox.taxjar.com/v2/
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/taxjar/refs/heads/main/json-schema/taxjar-order-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/taxjar/refs/heads/main/json-schema/taxjar-tax-calculation-schema.json

## Other TaxJar APIs (8)

- [TaxJar Categories API](https://apis.io/apis/taxjar/taxjar-categories-api/)
- [TaxJar Customers API](https://apis.io/apis/taxjar/taxjar-customers-api/)
- [TaxJar Nexus API](https://apis.io/apis/taxjar/taxjar-nexus-api/)
- [TaxJar Rates API](https://apis.io/apis/taxjar/taxjar-rates-api/)
- [TaxJar Summary Rates API](https://apis.io/apis/taxjar/taxjar-summary-rates-api/)
- [TaxJar Taxes API](https://apis.io/apis/taxjar/taxjar-taxes-api/)
- [TaxJar Transactions - Orders API](https://apis.io/apis/taxjar/taxjar-transactions-orders-api/)
- [TaxJar Transactions - Refunds API](https://apis.io/apis/taxjar/taxjar-transactions-refunds-api/)

## Tags

Validations

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/taxjar/taxjar-validations-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/taxjar/.