Automate payroll anywhere your customers hire

Run payroll accurately and compliantly using payroll APIs from Flux. Automate your payroll ops and improve customer satisfaction.

Automated gross-to-net calculations

Use Flux APIs to calculate payroll instead of operations teams & outsourced providers

Tax payments & filings on auto-pilot

Automated tax filings and payments done on time, every payroll cycle.

100% accuracy guarantee for payroll errors

We will pay for the consequences of any errors, including any tax penalties incurred.

Built by global payroll experts

Our team has built payroll and tax software at scale, at leading payroll companies including Rippling, Deel and Trinet.

Automated, accurate and compliant

Our software is built in strict compliance with local laws in each market we do business in.

Global coverage

The first payroll engines we have built cover top markets in Europe and LatAm. Expanding to the rest of the globe soon!

FROM THE FLUX BLOG

Introducing Flux: Global Payroll Infrastructure & APIs

Published on July 7, 2025 • By Flux Team

At Flux, we’re rethinking what payroll infrastructure should look like for the global economy. In markets like Mexico, Brazil, and Germany, small businesses and global payroll companies still rely on spreadsheets, consultants, and manual processes to pay their teams. These markets lack the modern payroll APIs and tax automation that companies in the U.S. take for granted.

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