A payment flow executes a number of steps in which you invoke all required API requests that are needed to complete the payment.
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Remember that PaymentsOS provides a single API for transacting against multiple providers. When constructing a request body, you must thus ensure that you include all fields required by the providers to which a payment may be routed. This may seem like a daunting task, but do not despair! You’re about to shake hands with our Bodybuilder, the only heavyweight champion in the world capable of lifting JSON!