EU VAT decision engine for invoicing and e-invoicing
EU VAT decision engine for invoicing and e-invoicing: determines place of supply, reverse charge, intra-Community supply, export or domestic VAT, returns the rate and the EN 16931 / UNCL5305 VAT category code (BT-151) plus exemption reason code (BT-121) and ready-to-use invoice wording (EN/DE) with the legal article reference. For XRechnung, ZUGFeRD, Peppol BIS and OSS workflows.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
952 msmedian answer time
$0.005listed price per call
$0.005price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://api.eucompliance.tools/x402/vat-rules
| Category | Code and developer |
|---|---|
| Provider host | api.eucompliance.tools |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.005 | 952 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"b2b": true,
"customer": "DE",
"supplier": "AT",
"type": "service"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"b2b": {
"description": "true = business customer",
"type": "boolean"
},
"customer": {
"description": "customer country, ISO-2, e.g. DE or US",
"type": "string"
},
"customer_vat_valid": {
"description": "result of a VIES check, optional",
"type": "boolean"
},
"supplier": {
"description": "supplier EU country, ISO-2, e.g. AT",
"type": "string"
},
"type": {
"description": "'service' or 'goods'",
"type": "string"
}
},
"required": [
"supplier",
"customer"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}