Use the tax analysis as a starting point: identify valid files, warnings and critical errors before deciding whether to validate, reconcile or prepare a VAT refund.

ALCE Fiscal

CFDI validation report: errors, warnings and rules checked

Valid CFDIs

184

CFDIs with warning

Critical errors

Risks detected

Alertas

Receiver RFC mismatch
Missing payment complement
CFDI cancelled in SAT

Analyze VAT refund

CFDI validator for accountants, firms and companies

Accountants preparing refunds or reconciliations.

Companies that want to detect errors before SAT filings.

Firms that need to review high volumes of XML files.

Admin teams that want to organize CFDIs and evidence.

Validate CFDI against SAT, income tax and VAT rules

ALCE Fiscal is designed to help you understand your tax position, not just process files.

Each error is explained in plain language, not as a cryptic SAT code.

It distinguishes PUE, PPD and payment complements when the tax workflow requires it.

It raises alerts for cancelled CFDIs, risky suppliers and inconsistent data.

It lets you review information CFDI by CFDI to understand where each result comes from.

It helps prepare useful reports for accountants, companies and bilingual teams.

VAT refund has its own deep landing page with dossier, validations and detailed flow.

Guides on CFDI errors and the payment complement

Guide: 10 common CFDI errors

Learn to identify and fix frequent errors before they affect filings or reconciliations.

View guide

Why ALCE Fiscal?

Compare functionality and approach against other tax tools in the market.

View comparison

Frequently asked questions

What tax tools does ALCE Fiscal offer?▼

ALCE Fiscal brings together tools to validate CFDIs, check EFOS, review payment complements, search SAT codes, verify RFCs, reconcile tax information, prepare VAT filings, download CFDIs and analyze VAT refunds.

Is CFDI validation free on ALCE Fiscal?▼

Yes. You can validate CFDIs and review common errors without installing software. Some advanced workflows may require an account to save information or work with CFDIs downloaded from SAT.

Does ALCE Fiscal detect errors and suggest fixes?▼

Yes. When it detects inconsistencies, it explains what happened, why it matters and what should be reviewed before stamping, reconciling or preparing a filing.

Can I download my SAT invoices with ALCE Fiscal?▼

Yes. ALCE Fiscal includes a mass download workflow to organize SAT CFDIs and use them later in reconciliation, VAT filings or VAT refund analysis.

How is ALCE Fiscal different from other CFDI validators?▼

It does not stop at structure validation. It connects validation, plain-language explanations, tax risks, operational tools and SAT filing preparation in one platform.

Does ALCE Fiscal work for bilingual teams?▼

Yes. The platform includes Spanish and English interface and messages for administrative, accounting or finance teams working between Mexico and abroad.

What are VAT refund working papers?▼

They are support documents to review a refund request: CFDI classification, payment complement relationships, calculations and alerts. That workflow is explained in detail on the VAT refund landing page.

Does the home page replace the VAT refund landing page?▼

No. The home page explains what ALCE Fiscal is and which tools it offers; /devolucion-iva goes deeper into dossier, validations, rejections and the SAT VAT refund request.

Validate your CFDI or review your VAT refund

VAT refunds are the first case where CFDI errors tend to cost the most. Analyze your XML files and detect inconsistencies before filing.

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