Switching in 2026 is easier than waiting for 2027
Are you working with a Verifactu API or a true fiscal partner? If your current provider is not giving you the support you need, switching now reduces cost and risk. Integrate Verifactu at your own pace, validate in the sandbox, and go live when you're ready, without last-minute pressure or rushed fixes.
Why choose our Verifactu API?
- Does your provider support you or just sends data?
Fiscal compliance is not just another feature, it's our core. Leave the regulatory side to experts and focus on what really matters: growing your business.
- Fiscal compliance without surprises or patches
Don't settle for solutions that only meet the bare minimum. fiskaly SIGN ES updates automatically, so your software stays compliant without extra effort.
- Real dev-to-dev support, no bots
Speak directly with real technical experts. We support you through migration and every regulatory change. No endless tickets. No generic replies. We're with you from start to finish.
- One API for Verifactu and beyond
fiskaly is your long term fiscal infrastructure. With a single API integration, your software complies with Verifactu, TicketBAI, SII, NaTicket, and more, without rewriting code every time regulations change.
- AEAT Social Collaborator, less operational work
Your customers won't need to request their own electronic certificate to securely sign and send invoices. We handle everything under our AEAT Social Collaborator agreement.
- API trusted by over 1M businesses
Our infrastructure is certified under ISO 27001 and ISO 9001, ensuring production reliability and European compliance. Switch to a scalable, secure fiscal partner.
over
10 billion
digital signatures
active in
1 million
POS
over
97%
satisfaction rate
Why integrate fiskaly. SIGN ES?
Everything was straightforward, well documented and the webinar helped me to clarify the steps. Overall, the integration took around 1 day to complete.
From documentation to a live integration in a single day
~1 day
total integration time
Produit
SIGN ES
1 sur 3
Besoin d'un partenaire solide ?
- Comprendre des exigences complexes peut être difficile. fiskaly aide les entreprises et les fournisseurs de logiciels à simplifier la conformité grâce à des solutions cloud facilement intégrables et un support technique expert.
- Plus de 1 900 clients font confiance à nos solutions de fiscalisation.
FAQs
Verifactu is the name used to refer to softwares that comply with the anti-fraud law and the project of legislation published in February 2022. The Ministerial Order was officially published in the Official State Gazette (BOE) on October 28, 2024, marking the start of the 9-month adaptation period for billing software. The regulation establishes the requirements for billing systems, which must be able to communicate in real-time with the Spanish Tax Agency.
Billing software will be required to comply with the VeriFactu requirements starting July 29, 2025.
Compliance with Verifactu requirements will be mandatory for companies and freelancers throughout Spain, except for all companies with a tax residence in the Basque Country, where the TicketBAI regulation applies.
Additionally, Verifactu will not replace the SII (Immediate Supply of Information) system, but it will impact those taxpayers who were not yet required to comply with it (companies and freelancers with an annual turnover of less than 6 million euros).
If you are a manufacturer or distributor of ERP software, accounting or management systems, whether B2B or B2C, and your system enables invoice issuance, Verifactu will also affect you because your software must be able to comply with the regulation mandatorily from July 29, 2025.
The Anti-Fraud Law aims to prevent and combat tax fraud and mostly came into effect on October 11, 2021. On October 28, 2024, the Ministerial Order was published, starting the 9-month adaptation period for billing software. Meeting the technical requirements of Verifactu is mandatory for developers and vendors of invoicing software in Spain since July 29, 2025. For taxpayers, the regulation comes into force in 2027, after the postponement announced by the Spanish government: on January 1 for legal entities, and on July 1 for self-employed professionals.
Yes, Verifactu applies to any software in Spain with invoicing capabilities, including POS systems, ERP, hotel management systems (CMS), invoicing programs marketed by independent developers (ISVs), or custom-developed business software.
Yes, Verifactu will be mandatory for issuing any type of invoice within Spain by a company with a tax domicile in Spanish territory (excluding the three provinces of the Basque Country, which must comply with TicketBAI, and companies based in Navarra, which are subject to a separate fiscal reporting regulation currently under development).