Ask HN: Payment API to pay your users using direct deposit

I have been managing a website that pays its users daily or monthly using direct deposit for several years. I just finished another site with the same functionality. Even with my experience, it took me a month to create that.

I wonder there will be other sites out there need to pay users too, and I should extract my work to a service with an API to facilitate that. What the API does:

- Allow sites to send user's bank account info and return a token to them. Data will be encrypted and kept (PCI Compliance). - Sites can submit a request to send money to users to a queue. Once a day, we will create a batch file (with user bank account in the db) and submit the batch file to the bank to do the deposit. - Annually, we can handle 1099-k if applicable.

What do you think about a market for that service?