In short
HTTP is the protocol clients and servers use to exchange requests and responses; HTTPS is the same protocol encrypted with TLS/SSL so data can't be intercepted in transit.
How to learn this
- 1Inspect a site's HTTPS certificate in your browser's address bar.
- 2Learn what the TLS handshake does at a high level.
- 3Understand why HTTPS is now a hard requirement for any production API.
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