The VIES Validate VAT Number PHP SDK by PH7 validates EU VAT registration numbers against the central ec.europa.eu database using the official Europa API. It uses real-time data feeds that could be useful in online payment forms according to the author, avoiding fraud with expired or wrong VAT numbers.
If you sell products, you probably know the tax rate for your state. But what about for all the other states you might be selling in? The Tax Data Systems API has that figured out. Using their API, you can insert their look up system into your software to incorporate the answers into the calculations for your customer's invoice.
The UK’s recent decision to leave the EU has had, and will continue to have, far-reaching impacts beyond many people’s ability to foresee. In a recent article for Recode, Bryan Kirschner discussed the vote’s effect on the progress of open banking and its innovative API foundation on the continent.