Service usage specification
Overview
The services published by the e-commerce payment gateway support the HTTP protocol with channel encryption and use the NVP format for the request and XML format for the response.
Specifications for API calls
The technical details for sending messages are described in the table below:
| Protocol | HTTPS |
| Method | POST |
| Content-Type | application/x-www-form-urlencoded |
| Production url | https://xpay.nexigroup.com/monetaweb/payment/2/xml |
| Test url | https://stg-ta.nexigroup.com/monetaweb/payment/2/xml |
The only protocol supported is TLSv1.2. Below are the ciphers:
- TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
- TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
- TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
The encoding used for the individual characters must be ISO 8859-1.
Specifications for the response
Responses to calls to synchronous services use XML format.
Within the paragraph of each payment protocol, examples are shown with the correct path.
Specifications for outcome notification
Payment notifications for asynchronous services can only be made on ports 443 or 8443.
Below are the IP addresses of the Gateway from which notifications are sent:
| Domain | IP addresses |
|---|---|
| stg-ta.nexigroup.com |
|
| xpay.nexigroup.com |
|