# Payment API Common content1
source: https://developer.mastercard.com/cross-border-services/documentation/api-ref/common1-payment-api/index.md

Alert: If you are a Customer contracted with MTS EU or MTS UK, please proceed to [Payment API Specifications for EU](https://developer.mastercard.com/cross-border-services/documentation/api-ref/psd2-eu-payment-api/index.md) and [Payment API Specification for UK](https://developer.mastercard.com/cross-border-services/documentation/api-ref/psd2-uk-payment-api/index.md) respectively to ensure compliance with the relevant jurisdiction based on Regulatory Technical Standards (either EU or UK) derived from the Revised Payment Services Directive (PSD2).

You can use this API to submit a payment transaction to transfer fund to a cross-border recipient.
If you opt-in for quote confirmation services, remember to confirm the quote before initiating the payment request.

Look at the [Payment](https://developer.mastercard.com/cross-border-services/documentation/use-cases/index.md) use cases for details on how to use the payment API for a cross border fund transfer solution.

## Environment Domains {#environment-domains}

* Sandbox/MTF
* Production

```Sandbox/MTF
https://sandbox.api.mastercard.com/send/v1/partners/{partner-id}/crossborder/payment
```

```Production
https://api.mastercard.com/send/v1/partners/{partner-id}/crossborder/payment
```

Note: **Sandbox** and **MTF** environments share the same url but are differentiated by partner id.

## API {#api}

[**Open Specification**](https://static.developer.mastercard.com/content/cross-border-services/swagger/cross-border-swagger.yaml)

Alternatively, here is a tabular view of the request/ response parameter:
[Payment_Specifications.pdf](https://static.developer.mastercard.com/content/cross-border-services/uploads/Payment_Specifications.pdf) (1MB)