Aviationstack ◆
Aviationstack is a scalable REST API for real-time flight tracking, historical flight data, airport info, and global aviation data.

Vatlayer is a simple, HTTPS-secured JSON API that validates EU VAT numbers and retrieves current VAT rates for all EU member states. It helps businesses and developers automate tax compliance by verifying VAT numbers and calculating prices with correct VAT, directly from the European Commission's databases.
Vatlayer is ideal for e-commerce platforms, SaaS companies, accountants, and any business selling to EU customers. It solves the problem of manual VAT checks and outdated rate tables. It is not for non-EU VAT validation or businesses that need a full accounting suite.
Use Vatlayer to validate customer VAT numbers during checkout, calculate net/gross prices for invoices, or display accurate VAT rates based on IP address. It integrates anywhere via a simple URL structure and returns lightweight JSON data.
Editorial score from our review methodology — not user ratings.
Vatlayer pricing: from $9.99/mo. Billing model: Subscription.
Includes 100 API requests, no overage, no support. Access to VAT Number Validation and EU VAT Rates endpoints with 256-bit HTTPS encryption.
1,000 API requests + $0.03996 per additional request. Includes all features plus standard support.
4,000 API requests + $0.02999 per additional request. Includes all features and standard support.
20,000 API requests + $0.019998 per additional request. Includes all features and standard support. Annual plans save up to 15%.
All plans include a free tier to test. No credit card required for free plan.
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