🇵🇪PeruPOST /v1/pe/ruc

SUNAT RUC lookup from DNI

Get the RUC, business name, status and fiscal address of any Peruvian taxpayer from their DNI. Real-time data from SUNAT.

Tomás Calle

Founder · Croma

This is a public demo with a reduced rate limit. For a production API key, book a call. I get back the same day.

tomas@usecroma.com+57 317 512 6894

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Integration guide

Source: SUNAT Peru.
Freshness: On-demand lookup against the official source when the endpoint runs.
Latency: Usually seconds; depends on upstream availability.
Auth: Bearer API key in the Authorization header.

Best for

Look up RUC from DNI or tax ID.
Validate business name, status and tax condition.
Embed Peruvian taxpayer verification.

Request fields

document_numberstringreq: DNI or taxpayer document, 8 digits.

Response fields

rucstring: RUC found.
namestring: Business name or taxpayer name.
typestring: Taxpayer type (natural person / legal entity).
statusstring: Taxpayer status (active, inactive, etc.).
conditionstring: Tax condition (habido, no habido).
fiscal_addressstring: Fiscal address reported by SUNAT.

Frequently asked

What does the Peru RUC API return?

It returns RUC, business name, taxpayer type, status, condition and fiscal address when the official source has data available.

What format does document_number accept?

An 8-digit numeric document, sent as a string in the JSON body.

Try it

Result

Edit the JSON and submit to see the taxpayer details.

Reference

curl https://api.usecroma.com/v1/pe/ruc \
  -H "Authorization: Bearer $CROMA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"document_number":"74849152"}'