Look at providers such as Earthport, Tipalti, TheCurrencyCloud, etc. They provide APIs for payouts.
Which provider offers the best API for sending payments programmatically to international users?
Which companies offer API-based ACH pay-ins and payouts?1 ansHow can I get access to ACH APIs?1 ansAre there APIs that support building remittance services to Nepal, India, and the rest of Southeast Asia?1 ansWhich financial API should be used to build a free or near-free bank ACH transfer app similar to Venmo or Square Cash?1 ans