https://api.cash-in.com/v2/The production environment is fully operational service that will respond and process the data as expected.Do not submit real-life data unless you have notified the IT department of Cash-In prior moving to production environment.
https://sandbox.cash-in.com/v2/The sandbox environment is available for the developers for testing the endpoints and getting response from the endpoints.Sandbox environment however does not support the business-process and can only used for developing and testing endpoints.
Please observe that Cash-In Deployment will provide you separate API access tokens to the environments