4 Free Public APIs for Your Next Project (No Auth, CORS Enabled)

Need a quick API for your demo, hackathon project, or portfolio? Here are 4 free public APIs that require zero authentication and work with CORS. 1. Random Developer Quote GET https://devtools-site-delta.vercel.app/api/random-quote { "text" : "Talk is cheap. Show me the code." , "author" : "Linus Torvalds" } 25 curated quotes from legendary developers. 2. Random Programming Joke GET https://devtools-site-delta.vercel.app/api/random-joke { "setup" : "Why do programmers prefer dark mode?" , "punchline" : "Because light attracts bugs." } 20 programming jokes. Great for Slack bots or portfolio easter eggs. 3. Random Password Generator GET https://devtools-site-delta.vercel.app/api/random-password?length=24&symbols=true { "password" : "kR8#mPq2!xLn9Fv4aB7$wZ3@" , "length" : 24 , "symbols" : true } Cryptographically secure using Web Crypto API. Quick Usage // Fetch a random quote const quote = await fetch ( " https://devtools-site-delta.vercel.app/api/random-quote " ) . then ( r => r . json