# Payments API The Payments API is used to send payment requests to process transactions. Version: 1.0.5 ## Servers UAT ``` https://api.uat.nelnetpay.com/payments-api ``` ## Security ### bearerAuth Bearer Authentication Token for /payments endpoint Type: http Scheme: bearer Bearer Format: JWT ## Download OpenAPI description [Payments API](https://docs.nelnetpay.com/_spec/apis/osi-payments-api.yaml) ## Other ### Process a Payment Request - [POST /payments](https://docs.nelnetpay.com/apis/osi-payments-api/other/processpaymentrequest.md): Perform a request to process a payment. This endpoint uses a valid Bearer Authentication API Key ID and HMAC Key for authentication.