Reviewers describe Finexer as a reliable, easy-to-integrate UK open banking API that reduces manual admin across onboarding, reconciliation, KYC, affordability checks, and compliance work. The most repeated praise is clean, structured bank data, dependable connections, responsive support, and straightforward payment flows, with several users saying it replaces manual statement chasing and speeds up decisions, reporting, and payouts. Pay-by-bank is also seen as faster and cheaper than cards. The main limitation mentioned is narrow geography: strong UK focus, but limited international and broader currency coverage.