# POS transaction service API

This is an API reference for the Point of Sale transaction service.

Version: 1.0.0

## Servers

Production environment
```
https://api-services.pxp.io/api/v1
```

Sandbox environment
```
https://api-services.test.pxp.io/api/v1
```

## Download OpenAPI description

[POS transaction service API](https://developer.pxp.io/_bundle/apis/point-of-sale-transaction.yaml)

## Other

### Initiate a POS transaction

 - [POST /pos-transactions](https://developer.pxp.io/apis/point-of-sale-transaction/other/initiate-pos-transaction.md): The /pos-transactions endpoint enables the initiation of instore transactions, supporting various transaction methods, including card and alternative payments.

### Initiate a POS transaction (legacy)

 - [POST /pos-transactions/legacy](https://developer.pxp.io/apis/point-of-sale-transaction/other/initiate-pos-transaction-legacy.md): The /pos-transactions endpoint enables the initiation of instore transactions, supporting various transaction methods, including card and alternative payments.

### Create a POS modification

 - [POST /pos-transactions/{systemTransactionId}/modifications](https://developer.pxp.io/apis/point-of-sale-transaction/other/modify-pos-transaction.md): This endpoint facilitates the processing of modifications on previously initiated transactions that have not yet been fully processed or captured. Supported modification actions include refunds, captures, incremental authorisations, and voids. Upon successful execution, it returns a unique reference for the modification request, allowing for easy tracking and reconciliation.