Accompanied by a redesigned developer portal, this latest API provides businesses and platforms greater functionality, faster integrations, and improved support for integrated payments, usage-based subscriptions or variable billing, seamless bank verification, and more.

“This simple API packages over 540 pages of ACH operating rules and guidelines, years of strong banking relationships and experience, and a dynamic infrastructure designed to support new business models and reduce a platform’s time to market,” said Ben Milne, CEO and founder of Dwolla. “Since July, the demand for a more flexible, robust, and seamless ACH API has fueled our platform’s revenue growth by an average of 30% month-over-month.”

The new API follows modern RESTful principles and adopts the HATEOAS constraint, allowing developers to integrate quickly and with less busy work, and a “data first” design provides platforms a more user-centric approach to development. Other benefits include easily generated SDKs, proactive versioning, and authorization with implementation of the OAuth 2.0 protocol.

The previous version of the API, which actively supports thousands of free and paid ACH transaction and services to businesses and platforms, will continue to be supported.

About on-demand bank transfers

Available to customers of Dwolla’s white label offering, on-demand bank transfers allow platforms with usage-based business models, such as utility companies or advertising platforms, to enable their payers to authorize transfers for variable payments amounts from a payer’s bank account. Amounts are determined by a platform’s existing business systems and scheduling logic. End-user authorization is transparently requested and digitally provided to Dwolla during a seamless, one-time bank verification process supported by a Dwolla integration. Unlike other services, the on-demand capability does not require platforms to sign up for an additional gateway or merchant account.