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Map of Spain with text about VeriFactu and TicketBAI features for SIGN ES by fiskaly

SIGN ES: meet multiple Spanish fiscal laws with one API

Seamlessly integrate SIGN ES via API. Our software is 100% compliant with TicketBAI, Veri*factu and the mandatory B2B e-invoice in Spain.

Fiscalization compliant100% cloud-based

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SIGN ES with TicketBAI

A software-based fiscalization system that provides transaction data to the authorities in real-time. Ensuring compliance with TicketBAI regulation to be implemented from 2022 to 2026 in Basque Country's three provinces (Álava, Guipúzcoa y Vizcaya).

Three people sit at the table with their laptops with SIGN ES for TicketBAI and VeriFactu

SIGN ES with Veri*factu

A software that complies with the Anti-fraud law and generates verifiable invoices. Includes a QR-code in the invoice and communicates with the Spanish Tax Authority. All software vendors in Spain will need to comply with Veri*factu by July 2025.

Person pays by card at POS and SIGN ES software, which complies with Anti-faud law, generates verifiable invoice

e-invoice in Spain

Be one step ahead – Comply with the new Crea y crece Law in Spain and adapt your software to the mandatory B2B electronic invoicing with SIGN ES. Discover its features, benefits and FAQs.

Person has an open laptop in front with the e-invoice details by fiskaly, which complies with Crea y crece Law in Spain

Why SIGN by
fiskaly.

Easy API integration

Our API easily integrates with your POS system so that you can comply with TicketBAI and Ver*factu without any software change.

Data management

Processes - such as rollout to all customers - are automated via the management API.

Fully certified

We provide all certificates you need for the compliant operation of fiskaly SIGN ES.

Resource saving

Automation, easy data management, no hardware - environmentally friendly and resource-efficient.

Seamless integration

SIGN ES is seamlessly integrated with all fiskaly services - even across countries.

Free testing

Get to know how easily and efficiently our system works before signing a contract.

over6 billiontransactions

more than650kactive POS

over97%satisfaction rate

Computer monitors with fiskaly developer page and API documentation on them

We speak technology

Developers find all information about our services, including API documentation, guides, and quick starts on our developer website.

Verifactu for software vendors in Spain 2025

Get ahead of the competition and turn fiscal compliance into an advantage with a comprehensive guide about Verifactu. Get to learn in detail about:

What the Antifraud Law and the Verifactu systems are
Who is affected and the implications of the law for software developers
How to avoid penalties for non-compliance
Technical requirements and how to adapt your software seamlessly
Verifactu API: what is it and how to integrate it into your software

SIGN ES FAQs

SIGN ES highlights

1/30/202512 min read

Everything you need to know about Tax Compliance in Spain for 2025

Get ready for Spain’s tax regulations in 2025. Learn how to comply with Verifactu, TicketBAI, SII, and the Crea y Crece Law. Find out what these changes mean for businesses and billing software and how our API SIGN ES can help you seamlessly adapt to all regulations with a single integration. Avoid penalties and optimize your invoicing.

API Verifactu: How to comply with the Anti-Fraud Law in Spain

The new Anti-Fraud Law in Spain requires SMEs and professionals to use invoicing software that meets Verifactu's technical requirements to ensure the traceability and authenticity of invoices. In this article, we explain what Verifactu is, how the changes will affect your business, and how to integrate a solution to comply with the regulation.

2/10/20258 min read

What is Verifactu?: Frequently Asked Questions for Software Developers

In the webinars we’ve recently offered, we’ve received a significant number of questions about the regulation and our Verifactu API. That’s why we’ve prepared this post compiling the most frequently asked questions and their answers. Find the solutions you need here to adapt your software easily and comply with the Anti-Fraud Law.

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