Whitelisting the IP address or generating a public key provides a layer of authentication. These cybersecurity techniques prevent anonymous or unknown disbursement requests and allow only verified requests. You must whitelist your IP address in the Cashfree Payments production server or it rejects all incoming requests. Note that only the production environment needs approval from Cashfree Payments and not for the test environment. Follow the instructions below to whitelist your IP:Documentation Index
Fetch the complete documentation index at: https://www.cashfree.com/docs/llms.txt
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- From the Secure ID dashboard, click Developers from the navigation pane > Two-Factor Authentication from the Secure ID card.
- Choose IP Whitelist from the Select 2FA Method drop-down.
- Click Add IP Address.
- Enter the IP address you want to whitelist in the respective field and click Add IP Address to save the details. Whitelist the IPv4 address, not IPv6. The whitelisted IPs are displayed in the grid as shown below. You can whitelist a maximum of 10 IPs.

Generate your API credentials before you set up two-factor authentication (2FA).