Guides on Verifactu and Invoicing

Practical tutorials, step-by-step guides and tips for freelancers and SMEs who want to understand Verifactu and optimize their invoicing.

Verifactu14 min·19 February 2026

Verifactu Billing for SaaS with Stripe: How to Comply Without Touching Your Codebase

93% of Spanish SaaS are still not Verifactu compliant. Automate Stripe billing with BeeL: no code modification, no webhooks, guaranteed compliance.

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Development12 min

How we migrated our billing API from Spanish to English

The actual process behind migrating the entire OpenAPI specification from BeeL.es to English: branching strategy, incremental validation and why the hexagonal architecture allowed us to do it without touching the domain.

11 February 2026Read more →
Verifactu15 min

The 7 Best Verifactu Invoicing Software in 2026 [Comparison]

Complete analysis of the best invoicing software tailored to Verifactu. Compare prices, features and choose the ideal one for your business.

28 January 2026Read more →
Verifactu8 min

Only 7% of Self-Employed Comply with Verifactu: How to Adapt in 2026 Without Hassles

Only 7% of self-employed comply with Verifactu, 88% have done nothing and 5% are in the process. We explain how to adapt in 2026 without rushing or complications.

27 January 2026Read more →
Taxation and Regulations20 min

VAT Franchise Regime 2025-2026: How It Works, Who Can Use It, and Why Spain Doesn't Apply It

Everything you need to know about VAT franchising: what it is, why Spain is the only EU country without applying it domestically, and what options you have if you sell to other European countries.

14 January 2026Read more →
Tax Guide14 min

Form 130 and 131: Dates, Deadlines and Complete Guide 2026

Complete 2026 calendar of forms 130 and 131: exact dates, who must file them, how to calculate them and practical cases. Updated guide with interactive search engine.

29 December 2025Read more →
Verifactu18 min

POS and Verifactu: A Complete Guide 2027 for Retail and Hospitality

Is your POS compliant with Verifactu? Mandatory in 2027. Differences between dataphone, cash register and POS. Requirements, dates and how to avoid 50.000€ fines.

26 December 2025Read more →
Fiscal17 min

How much does the IRS keep of your Christmas Lottery 2025 prize?

El Gordo 79432 gives 328.000€ net of 400.000€ gross. Find out how much the IRS takes from each prize in the 2025 Christmas lottery drawing with real examples and calculator.

22 December 2025Read more →
Management and Strategy18 min

Freelancer's Dictionary: +50 Tax and Business Terms Explained

Complete glossary with the terms every self-employed person should know: from IRPF to bootstrapping, taxable income, withholding and more. No technicalities, easily explained.

11 December 2025Read more →

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