CLABE Validator

CLABE (Mexican interbank account number) · Issuer: Banxico / ABM. SPEI transfers, payroll disbursement, supplier payouts.

Format

18 digits: bank (3), city/plaza (3), account (11) and control digit (1).

Check-digit algorithm

1. Weights 3, 7, 1 repeated over the first 17 digits.
2. Sum each product mod 10.
3. Control = (10 − sum mod 10) mod 10.

Use cases

SPEI transfers, payroll disbursement, supplier payouts.

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":"MX_CLABE","value":"012438860923799081"}'

# Python
import requests
r = requests.post("https://validalatam.p.rapidapi.com/validate", json={"type": "MX_CLABE", "value": "012438860923799081"},
                 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: "MX_CLABE", value: "012438860923799081" }) });
const { valid, formatted, error } = await r.json();

# Response
{
  "valid": true,
  "type": "MX_CLABE",
  "country": "MX",
  "input": "012438860923799081",
  "normalized": "012438860923799081",
  "formatted": "012 438 86092379908 1"
}

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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