Payment Terminal is a separate service which can help you to display your deposit address as a web page or embed it into your website as an i-frame.
As a merchant you need to generate a GET URL with a set of the established parameters according to the requirements below and redirect a user via that link to Payment Terminal. Data available for the user includes address and QR-code, currency and deposit amount (in case ‘amount’ parameter was sent).
Once the user makes a deposit, it will be processed according to common deposit flow.
You need to create a request which contains hash with two required parameters: data and signature.
The request address:
https://terminal.coinspaid.com/?'data and signature'
You need to form JSON with the following parameters
You need to convert the resulting represented code in JSON to base64 format.
You need to:
concatenate JSON with secret key to generate signature
The calculated hmac(sha512) hash in lowercase looks like:
As a result, the request will have the following look: