Welcome to Finkok
The best online invoicing solution

Experience and technology tailored to your needs

Years of experience

Satisfied Clients

Stamped documents

Integrations

We create the best mass CFDI stamping solution

We’re a team of professionals with extensive experience in systems development, infrastructure, support, and customer service.

About us

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Our services

Customized solutions, because every business is unique

CFDI Validation Portal

An online service to verify the authenticity and validity of CFDIs, ensuring proper tax deduction and avoiding dealings with unreliable vendors.

CFDI Stamping and Cancellation

Generation and issuance of electronic invoices with authorized stamping, as well as CFDI cancellation according to SAT regulations.

Self-Billing Portal

An intuitive platform for customers and users to easily generate their own invoices quickly, with no manual intervention required.

Benefits

At Finkok, we care about you

Support

We provide customer service Monday to Friday from 9:00 AM to 10:00 PM and weekends from 9:00 AM to 6:00 PM. (UTC-6).

No Binding Contracts

At FINKOK, we’re committed to delivering excellent service and support. We trust that your satisfaction will be the reason you stay with us month after month.

System Integration

We provide support for integrating and connecting with web services, ensuring compatibility and efficiency in the implementation of our solutions.

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Try our service with no commitment

We invite you to experience the quality of FINKOK for one month before signing with any other provider. If our service doesn’t meet your expectations, you won’t pay anything.

We are confident in our excellence—and certain you’ll want to stay with us.

On-Demand CFDI Stamping

Pay only for what you use over a 30-day period.

No upfront payments required. Just contact us and we’ll assign a systems integration expert to help connect your system to FINKOK, completely free of charge.

Imagen que muestra a un experto en integración realizando el registro de un cliente.

Integrated Services

Direct-access clients

Odoo

Pronom

Dolibar

Riscolar

Intelisis

PoLiwin

Everything you need to stamp invoices, all in one place.

Free Updates

We don’t charge for SAT-mandated updates for electronic mass invoicing.

Technical Documentation

Our integration center offers tools such as code samples, Web Services documentation, SAT updates, libraries, error codes, and more—all at no cost to you.

Admin Panel

Our app is cloud-based. You can check the number of invoices issued per month just by logging in with your user credentials. Easily consult canceled or issued invoices by RFC.

Already a partner? Log into our invoicing app

Ready to get started?

Request your CFDI 4.0 Test Kit and see how we can help.

Additional Services

Tailored for you

Parsing Service

This local service installs on your computers or servers. It enables XML generation, stamping, and PDF creation from a TXT input file containing invoice data.

Addendas

Our 100% online platform allows you to easily create, integrate, and stamp addendas in your CFDIs. We offer a catalog of over 30 addendas so you can choose the one that best suits your business needs.

Meet Our Partners

HIM

SCT

CIM

DCAB

HHLP

Client Testimonials

See why they choose us

⭐⭐⭐⭐⭐

02/07/2025

Great experience. Very professional and world-class service. Their technical knowledge and clear explanations add value to every interaction. Few companies offer this level of fast, concise support like Finkok.