RUT UY Validator

Uruguayan RUT (tax ID) · Issuer: DGI. DGI electronic invoicing (CFE), company onboarding.

Format

12 digits: 2 for department (01–21), 6 serial, 000 and a check digit.

Check-digit algorithm

1. Weights 4,3,2,9,8,7,6,5,4,3,2 on the first 11 digits.
2. DV = 11 − (sum mod 11); 11 → 0; 10 → invalid.

Use cases

DGI electronic invoicing (CFE), company 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":"UY_RUT","value":"168029360019"}'

# Python
import requests
r = requests.post("https://validalatam.p.rapidapi.com/validate", json={"type": "UY_RUT", "value": "168029360019"},
                 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: "UY_RUT", value: "168029360019" }) });
const { valid, formatted, error } = await r.json();

# Response
{
  "valid": true,
  "type": "UY_RUT",
  "country": "UY",
  "input": "168029360019",
  "normalized": "168029360019",
  "formatted": "168029360019"
}

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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