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Installation
1) Install Postman from this link
2) Create HTTP requests for each endpoint.
a) Click on New > HTTP
b) Select the appropriate request method and enter the specific endpoint prefixed with http://localhost:8085
3) Connect POS Terminal to the SAME Wi-Fi Network as the device running the Backend Wavelet POS Software. Note down the IP Address of the Wi-Fi Network.
4) From the POS Terminal, go to Management > Config. Input the password as ‘88888888’. Go to EDC. Then scroll down to TCP/IP and note down the TCP/IP Port (which is going to be 8080).
5) For each of the HTTP requests created in Postman, set the terminalIp parameter to the IP Address of the Wi-Fi Network, and set the terminalPort parameter to the TCP/IP Port (which is going to be 8080). Finally, set the terminalId Parameter to the unique identifier for each POS Terminal.
6) Send the respective HTTP request.
API Documentation
GET /ping
/revenue-terminals/ping
Pings the terminal to establish a WebSocket connection.
Parameters should be passed as query parameters.
| The IP address of the terminal |
| The port number of the terminal for the connection |
| An identifier for the terminal |
POST /card-sale
/revenue-terminals/card-sale
Processes a card sale transaction.
Parameters should be passed as query parameters.
| The IP address of the terminal |
|---|---|
| The port number of the terminal for the connection |
| The monetary amount of the card sale transaction (in decimal format) |
| An identifier for the terminal |
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Processes a debit sale transaction.
Parameters should be passed as query parameters.
| The IP address of the terminal |
|---|---|
| The port number of the terminal for the connection |
| The monetary amount of the debit sale transaction (in decimal format) |
| The monetary amount of the debit sale transaction (in decimal format) to be added |
| An identifier for the terminal |
POST /cancel-sale
/revenue-terminals/cancel-sale
Cancels the current sale transaction.
Parameters should be passed as query parameters.
| The IP address of the terminal |
| The port number of the terminal for the connection |
| An identifier for the terminal |
POST /void-sale
/revenue-terminals/void-card-sale
Voids the current sale transaction.
Parameters should be passed as query parameters.
| The IP address of the terminal |
| The port number of the terminal for the connection |
| The trace number of the transaction to be voided |
| The monetary amount of the sale transaction to be voided (in decimal format) |
| An identifier for the terminal |
POST /settlement
/revenue-terminals/settlement
Processes a settlement request.
Parameters should be passed as query parameters.
| The IP address of the terminal |
| The port number of the terminal for the connection |
| An identifier for the terminal |
POST /qr-sale
/revenue-terminals/qr-sale
Processes a QR sale transaction.
Parameters should be passed as query parameters.
| The IP address of the terminal |
|---|---|
| The port number of the terminal for the connection |
| The monetary amount of the QR sale transaction (in decimal format) |
| An identifier for the terminal |