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POST
/
v1
/
validate
/
batch
Validate multiple VAT numbers
curl --request POST \
  --url https://api.vatly.dev/v1/validate/batch \
  --header 'Content-Type: application/json' \
  --data '
{
  "vat_numbers": [
    "NL123456789B01",
    "DE987654321",
    "GB123456789",
    "CHE123456789MWST",
    "NO123456789MVA",
    "AU51824753556"
  ],
  "requester_vat_number": "DE987654321",
  "cache": true
}
'
{
  "data": {
    "results": [
      {
        "data": {
          "valid": true,
          "vat_number": "NL123456789B01",
          "country_code": "NL",
          "company": {
            "name": "Acme B.V.",
            "address": "Keizersgracht 123, Amsterdam"
          },
          "requested_at": "2026-03-06T12:00:00.000Z",
          "consultation_number": "WAPIAAAAA1BBB2"
        },
        "meta": {
          "cached": true,
          "cached_at": "<string>",
          "stale": true,
          "source_status": "live"
        }
      }
    ],
    "summary": {
      "total": 3,
      "succeeded": 2,
      "failed": 1
    }
  },
  "meta": {
    "request_id": "550e8400-e29b-41d4-a716-446655440000",
    "mode": "test",
    "request_duration_ms": 120
  }
}

Documentation Index

Fetch the complete documentation index at: https://docs.vatly.dev/llms.txt

Use this file to discover all available pages before exploring further.

Body

application/json
​
vat_numbers
string[]
required

Array of VAT numbers to validate (max 50)

Required array length: 1 - 50 elements
Minimum string length: 1
Example:
[
  "NL123456789B01",
  "DE987654321",
  "GB123456789",
  "CHE123456789MWST",
  "NO123456789MVA",
  "AU51824753556"
]
​
requester_vat_number
string

Your own VAT number, to receive consultation numbers. For EU targets, provide an EU requester. For UK targets, provide a UK requester.

Example:

"DE987654321"

​
cache
boolean
default:true

Set to false to bypass the cache and force fresh lookups. Defaults to true.

Example:

true

Response

Batch validation completed. Per-item errors are inline in results.

​
data
object
required
​
meta
object
required