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NPWP Validator

Identity · 1 endpoint

Validate an Indonesian tax number in both the legacy 15-digit form and the NIK-based 16-digit form, with the checksum that catches a transposed digit.

Base URL

https://api.diraz.ae
1 requestsNo cache1 credit / request

Endpoint

GET/v1/id/npwp

Snippet

Request — cURL

v1

curl https://api.diraz.ae/v1/id/npwp \
  -H "Authorization: Bearer drz_live_…"

Query parameters

npwpstring · required
With or without punctuation. Both the 15- and 16-digit forms are accepted.

Example response

200 OK

v1

{
  "data": {
    "input": "01.234.567.9-123.456",
    "normalised": "012345679123456",
    "valid": true,
    "format": "legacy-15",
    "formatted": "01.234.567.9-123.456",
    "taxpayer_id": "012345679",
    "tax_office_code": "123",
    "branch_code": "456",
    "issues": []
  },
  "meta": {
    "request_id": "req_7Q2fK4mZ"
  }
}
format
`legacy-15` or `nik-16`. Both are in circulation since 2024.
formatted
`XX.XXX.XXX.X-XXX.XXX`, for the legacy form.
tax_office_code
KPP code.
branch_code
`000` for a head office, otherwise a branch.

Errors

401 Unauthorized

v1

{
  "error": {
    "code": "UNAUTHORIZED",
    "message": "The API key is invalid, expired, or revoked."
  },
  "meta": {
    "request_id": "req_7Q2fK4mZ"
  }
}

Every failure carries a stable machine-readable code before the human message, and the same meta.request_id the successful responses carry. Quote it and we can find your exact request.

Errors are free

Nothing on this page is billed. You are charged for a 2xx and nothing else — a rejected key, a bad parameter, a rate limit, or an outage on our side all cost you zero. Retry without watching the meter.

UNAUTHORIZEDHTTP 401
Missing, malformed, expired, or revoked API key.
FORBIDDENHTTP 403
The key is valid but lacks the scope this product needs.
VALIDATION_ERRORHTTP 422
A query parameter is the wrong type or out of range.
RATE_LIMITEDHTTP 429
Rate limit exhausted. `Retry-After` says how long to wait.
SERVICE_UNAVAILABLEHTTP 503
No data recent enough to serve. Carries `Retry-After`, and is never billed.
Total requests1
CacheNone
Status
Operational
Category
Identity
Scope
market:read
Rate limit
300 requests / 60s per key
Pricing
1 credit / request
Request a keyView as Markdown
  • NPWP Validator

1/1 passing