Is PT500100144 valid?

Yes: PT500100144 returned valid:true from VIES at the time of this check and resolved to JERONIMO MARTINS SGPS S A.

What does NIF stand for?

NIF is short for Número de Identificação Fiscal (Imposto sobre o Valor Acrescentado). It is the local name for Portugal's VAT identification number.

vatverify queries VIES directly for every validation. Valid responses are cached for 30 days; invalid responses are cached for 24 hours. The "Re-check now" button bypasses the cache and forces a fresh registry call.

Can I integrate this in my own code?

Yes. POST /v1/validate with {"vat_number":"PT500100144"} and an Authorization Bearer header. Free plan: 500 validations per month, no credit card.

PT500100144

JERONIMO MARTINS SGPS S A

PortugalVerified against VIES

Valid at query time

Last verified 3 d agocached756 ms019dd537-54e…Live status →

Validation result

VAT number: PT500100144
Company: JERONIMO MARTINS SGPS S A
Address: R ACTOR ANTONIO SILVA N 7 LISBOA 1649-033 LISBOA
Country: Portugal
Registry: VIES
VAT format: PT + 9 digits
Local name: NIF — Imposto sobre o Valor Acrescentado

Reproduce this check

curl -X POST "https://api.vatverify.dev/v1/validate" \  -H "Authorization: Bearer $VATVERIFY_KEY" \  -H "Content-Type: application/json" \  -d '{"vat_number":"PT500100144"}'

Raw API response

{
  "data": {
    "valid": true,
    "vat_number": "PT500100144",
    "country": {
      "code": "PT",
      "name": "Portugal",
      "vat": {
        "name": "Imposto sobre o Valor Acrescentado",
        "abbreviation": "IVA",
        "currency": "EUR",
        "standard_rate": 23,
        "reduced_rates": [
          6,
          13
        ],
        "super_reduced_rate": null,
        "parking_rate": 13,
        "number_format": "PT + 9 digits",
        "number_pattern": "^PT\\d{9}$",
        "updated_at": "2026-04-01"
      }
    },
    "company": {
      "name": "JERONIMO MARTINS SGPS S A",
      "address": "R ACTOR ANTONIO SILVA N 7\nLISBOA\n1649-033 LISBOA"
    },
    "verify_id": null,
    "verified_at": "2026-04-25T10:16:14.132Z"
  },
  "meta": {
    "request_id": "019dd537-54ee-723a-abd1-e1d722f4d6e7",
    "latency_ms": 525,
    "cached": true,
    "source": "vies",
    "source_status": "cached",
    "cached_at": "2026-04-25T10:16:14.132Z",
    "stale_seconds": 286492
  }
}

More from Portugal

All Portugal VAT details

Frequently asked

Is PT500100144 valid?: Yes: PT500100144 returned valid:true from VIES at the time of this check and resolved to JERONIMO MARTINS SGPS S A.
What does NIF stand for?: NIF is short for Número de Identificação Fiscal (Imposto sobre o Valor Acrescentado). It is the local name for Portugal's VAT identification number.
How is this checked?: vatverify queries VIES directly for every validation. Valid responses are cached for 30 days; invalid responses are cached for 24 hours. The "Re-check now" button bypasses the cache and forces a fresh registry call.
Can I integrate this in my own code?: Yes. POST /v1/validate with {"vat_number":"PT500100144"} and an Authorization Bearer header. Free plan: 500 validations per month, no credit card.

This validation is stored 30 days for audit reference — request id 019dd537-54e….

Automate Portugal VAT checks in your stack

Replace manual lookups with one API call against VIES. Drops into invoicing, checkout, and signup flows in any language. 500 free validations per month, no credit card.

Get an API key Read the docs