FISCAL COMPLIANCE API · MÉXICO

The compliance layer behind every RFC in Mexico.

Screen an RFC against SAT's 69-B blacklist, pull a 32-D compliance opinion, validate a CURP identity, and confirm a SPEI settlement — one REST API, real-time. CFDI 4.0 issuance is included when you need to invoice, too.

Get started API Reference

10 official data sources · No SDK required

your app

meefi api

sat · banxico · renapo

response ✓

Compliance Opinion 32-D Art. 69-B Blacklist CFDI Verification CEP · Banxico CURP · RENAPO SAT Extraction Constancia de Situación Fiscal Digital Certificates CFDI 4.0 Issuing Pagos 2.0 REP Nómina 1.2 Carta Porte 3.1 Webhooks OpenAPI 3.1 Compliance Opinion 32-D Art. 69-B Blacklist CFDI Verification CEP · Banxico CURP · RENAPO SAT Extraction Constancia de Situación Fiscal Digital Certificates CFDI 4.0 Issuing Pagos 2.0 REP Nómina 1.2 Carta Porte 3.1 Webhooks OpenAPI 3.1

What it does

Every fiscal signal,
one API.

Compliance and identity come first — issuance is one capability among them, not a separate product to integrate.

✓

CFDI verification

SAT status, cancellability, and EFOS blacklist standing for any comprobante.

Compliance

69B

RFC blacklist screening

Local index of SAT's Art. 69-B list, refreshed monthly from open data.

Compliance

32D

Compliance opinion

Official SAT 32-D opinion — good standing, folio, and PDF download.

SAT

CURP identity

RENAPO validation — name, demographics, and registration status.

Identity

CEP

SPEI settlement proof

Banxico CEP — authoritative proof that a transfer settled, with PDF.

Banking

CFDI

CFDI 4.0 issuance

Stamp, cancel, and archive invoices — the same entity, the same API.

Included

Included capability

Need to invoice too?
Every comprobante type, one endpoint.

The API validates against the SAT XSD, stamps via PAC, archives XML and PDF, and returns synchronously — no separate product to integrate.

Ingreso

Standard invoice — line items, taxes, discounts, foreign-receiver support.

Egreso

Credit note linked to prior CFDIs via CfdiRelacionados.

Traslado

Transfer of goods — with optional Carta Porte 3.1 complement.

Pago · REP

Pagos 2.0 complement with SAT-mandated tax rollups and totals.

Nómina 1.2

Payroll receipt with perceptions, deductions, and auto-computed ISR totals.

Integration

Consistent
from day one.

HTTP Basic auth, JSON in and out. No SDK required.

Register the entity

Associate an RFC with its SAT credentials to unlock compliance and identity checks.

Screen before you trust it

Check SAT status, blacklist standing, and the 32-D opinion before doing business with an RFC.

Issue, when you need to

Upload a CSD and stamp CFDIs synchronously — the same entity, the same API.

# Screen an RFC before doing business with it
curl "/v1/cfdi/verify" \
  -u "$KEY_ID:$KEY_SECRET" \
  -d '{"rfc": "XAXX010101000"}'

# 200 OK
{
  "rfc":               "XAXX010101000",
  "sat_status":        "vigente",
  "cancellable":       true,
  "blacklist_69b": {
    "listed":          false,
    "checked_at":      "2026-07-01"
  },
  "compliance_opinion": "positivo"
}

Data sources

Official connections,
authoritative data.

SAT

Servicio de Administración Tributaria

CFDI invoices, CSF, compliance opinions, digital certificate registry.

PAC

Proveedor Autorizado de Certificación

CFDI stamping and cancellation via an SAT-authorized PAC — XSD validation before every submission.

Banxico

Banco de México

Official SPEI transfer receipts (CEP) — authoritative proof that a transfer settled.

RENAPO

Registro Nacional de Población

CURP identity validation — name, demographics, and status from the national population registry.