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To use the meCash API, you must first add at least one trusted IP address. Requests coming from non-whitelisted sources are rejected automatically, keeping your integration secure.

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What happens if an IP isn’t whitelisted?

Your API keys remain inactive until a valid IP is on the list, so complete this step before attempting live calls.

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Add an IP address

Dashboard navigation showing the Developers section highlighted
Log in to the meCash dashboard and select Developers from the sidebar.
In the Developers workspace, open IP Whitelisting to view existing addresses and available actions.
IP whitelisting dashboard with the Add IP Address button visible
Click Add IP Address to launch the entry form.
Modal prompting for a new IP address entry
Provide the static IP of your server, then click Confirm. The address appears in the list with its current status.
Prefer static IPs. Update the whitelist immediately if your infrastructure’s public IP changes.