The secure version of HTTP that encrypts data between your browser and the server.
HTTPS (HyperText Transfer Protocol Secure) is the secure version of HTTP. It encrypts all data traveling between your browser and the Server using SSL/TLS certificates (often using RSA algorithms), so no one in between can read or tamper with it.
HTTPS protects passwords, tokens, API keys, JWTs, and personal data during HTTP requests. All JSON data, URLs, and form submissions are encrypted. Modern browsers warn users when sites do not use HTTPS.
Every professional web application requires HTTPS. Supabase, Deployment platforms like Vercel, and Hosting providers include free SSL certificates for automatic HTTPS. CDNs serve content over HTTPS globally.
HTTPS works alongside HTTP-only Cookies for defense in depth: HTTPS encrypts data in transit, while HTTP-only cookies prevent JavaScript from accessing sensitive tokens like Refresh Tokens.
HTTPS requires an SSL Certificate — a digital credential that enables the encrypted connection. Modern cloud platforms provision and renew these certificates automatically.
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