Payments & Payouts on Arc · 28

The largest category in the directory and the one furthest from crypto-native. It covers payment service providers, acquirers, remittance operators, payout and payroll platforms, business account providers and card programmes — companies whose role is almost always Integrates: an existing product that added Arc as a rail for its own customers, not a protocol deploying contracts.

Two things are worth stating plainly as of 2 September 2026. Nothing settles on Arc mainnet before 16 September, so every relationship here is testnet, announced or exploratory, and each entry's status line carries its dated evidence. And the operating figures reported for grant-cohort companies — volumes, user counts, corridor coverage — come from secondary reporting rather than Circle, and are labelled as reported on every entry.