To use these APIs, you need to get the API key from the NIUM Cards Support team or your NIUM account manager. The sandbox and production environments will have separate keys. API key needs to be supplied in the header.

Sample key: x-api-key: 0mZpIhaLVM1qd8IJhCfgjeJjsY7b5zde10j

We will also be whitelisting client's IP address which may be a static IP or VPN IP(s).