---
title: "Cross-Border VAT Treatment Lookup"
method: POST
path: "/v1/tools/cross_border_vat_treaty_lookup"
---

# Cross-Border VAT Treatment Lookup

`POST /v1/tools/cross_border_vat_treaty_lookup`

## Request

- Base URL: `https://ainumbers.co`
- URL: `https://ainumbers.co/v1/tools/cross_border_vat_treaty_lookup`
- Auth: none declared

Determine cross-border VAT treatment for goods and services: place of supply, reverse charge, intra-Community supply, OSS/IOSS, export zero-rating and registration obligations. Client-side. Works offline. Zero PII.

**Tool URL:** https://ainumbers.co/tools/175-cross-border-vat-treaty-lookup.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `supplier` string, required
  - `customer` string, required
  - `supply` string, required
  - `registered` boolean

## Response `200`

Successful tool execution result

- object
  - `place_of_supply` string
  - `liable_party` string
  - `mechanism` string
  - `obligations` unknown[]
    - unknown

---

[API](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite.md) · [All operations](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/llms.txt) · [OpenAPI document](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/revisions/b462e4f5bb28?raw)