post https://api-gateway-stg.transak.com/api/v2/auth/session
This API creates a widgetUrl to securely store widget query parameters and authentication context. This facilitates secure widget interactions by encapsulating info in a sessionId, reducing exposure in client-side requests.
This API should be called exclusively from the partner’s backend server.
apiKey and referrerDomain are the mandatory query parameters in widgetPrarams Object.