PixabayPhotographyRoyalty-free images, vectors, and illustrations API with millions of creative assetsAuthentication 🔐 apiKey HTTPS ✅ Supported CORS ❓ Unknown 🌐 Visit API Documentation → Related Photography APIsUnsplashHigh-quality free stock photos API with search, curated collections, and download tracking 🔓 Free PexelsFree stock photos and videos API with curated collections and easy search functionality 🔐 apiKey Lorem PicsumPlaceholder image service API with customizable dimensions, blur, and grayscale options 🔓 Free