RUC Validator

Peruvian RUC (tax ID) · Issuer: SUNAT. SUNAT e-receipts, B2B customer onboarding.

Format

11 digits. Prefix 10 (individual, embeds the DNI), 15/17 (others) or 20 (company).

Check-digit algorithm

1. Weights 5,4,3,2,7,6,5,4,3,2 on the first 10 digits.
2. DV = 11 − (sum mod 11).
3. 10 → 0, 11 → 1.

Use cases

SUNAT e-receipts, B2B customer onboarding.

Code examples

# curl (RapidAPI)
curl -X POST "https://validalatam.p.rapidapi.com/validate" -H "Content-Type: application/json" \
  -H "X-RapidAPI-Key: $RAPIDAPI_KEY" -H "X-RapidAPI-Host: validalatam.p.rapidapi.com" \
  -d '{"type":"PE_RUC","value":"10531282766"}'

# Python
import requests
r = requests.post("https://validalatam.p.rapidapi.com/validate", json={"type": "PE_RUC", "value": "10531282766"},
                 headers={"X-RapidAPI-Key": KEY, "X-RapidAPI-Host": "validalatam.p.rapidapi.com"})
print(r.json()["valid"], r.json()["formatted"])

// JavaScript (fetch)
const r = await fetch("https://validalatam.p.rapidapi.com/validate", { method: "POST",
  headers: { "Content-Type": "application/json", "X-RapidAPI-Key": KEY, "X-RapidAPI-Host": "validalatam.p.rapidapi.com" },
  body: JSON.stringify({ type: "PE_RUC", value: "10531282766" }) });
const { valid, formatted, error } = await r.json();

# Response
{
  "valid": true,
  "type": "PE_RUC",
  "country": "PE",
  "input": "10531282766",
  "normalized": "10531282766",
  "formatted": "10531282766"
}

API plans on RapidAPI

Free plan to get started; paid plans for production volume and batch validation (up to 1000 per request).

See plans on RapidAPI →

FAQ

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