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– Limit the number of calls to your API.

5. Use secure communication channels

The way you communicate with your APIs is just as important as how you protect them. You can use HTTPS or TLS for all communications between clients and servers, including authentication requests, data transfers, and responses. This will prevent any potential man-in-the-middle attacks where a hacker intercepts traffic in transit and impersonates both parties involved in the communication process. It also prevents eavesdropping on unencrypted network connections that could expose sensitive information such as passwords or credit card numbers during transmission. The best practice here is to always use an encrypted connection when communicating with your APIs instead of HTTP/S (unencrypted)
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