Is PT504499777 valid?

Yes: PT504499777 returned valid:true from VIES at the time of this check and resolved to GALP ENERGIA 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":"PT504499777"} and an Authorization Bearer header. Free plan: 500 validations per month, no credit card.

PT504499777

GALP ENERGIA SGPS S A

PortugalVerified against VIES

Valid at query time

Last verified 3 d agocached737 ms019dd537-54e…Live status →

Validation result

VAT number: PT504499777
Company: GALP ENERGIA SGPS S A
Address: AVENIDA DA INDIA 8 ALCANTARA LISBOA 1349-065 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":"PT504499777"}'

Raw API response

{
  "data": {
    "valid": true,
    "vat_number": "PT504499777",
    "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": "GALP ENERGIA SGPS S A",
      "address": "AVENIDA DA INDIA 8 ALCANTARA\nLISBOA\n1349-065 LISBOA"
    },
    "verify_id": null,
    "verified_at": "2026-04-25T10:16:14.075Z"
  },
  "meta": {
    "request_id": "019dd537-54ed-740b-a74e-1c3a9b833309",
    "latency_ms": 520,
    "cached": true,
    "source": "vies",
    "source_status": "cached",
    "cached_at": "2026-04-25T10:16:14.075Z",
    "stale_seconds": 286492
  }
}

More from Portugal

All Portugal VAT details

Frequently asked

Is PT504499777 valid?: Yes: PT504499777 returned valid:true from VIES at the time of this check and resolved to GALP ENERGIA 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":"PT504499777"} 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.

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