Factorial Factorial Expenses API Submit, approve, and reconcile employee expenses, mileage claims, and per-diem requests. Factorial Expenses API is one of 22 APIs that Factorial publishes on the APIs.io network. Tagged areas include Finance, Expenses, and Mileage. The published artifact set on APIs.io includes API documentation. Documentation GitHub Documentation 📖 Documentation https://apidoc.factorialhr.com/reference