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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).
An example of implementation of Payment Terminal with i-frame
An example of implementation of Payment Terminal without i-frame
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 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: