A free wallpaper REST API built for wallpaper app development. Integrate curated HD, 4K UHD, AMOLED, anime, and live video wallpapers into Flutter, Android (Kotlin), iOS (Swift), React Native, Next.js / Web, and Python with one secure API key.
GET https://nexwall.kodnextech.com/api/developer/v1/wallpapers
Authorization: Bearer YOUR_API_KEYNexWall Wallpaper API is a free wallpaper REST API for developers who want to build wallpaper apps for any platform. Designed specifically for wallpaper app development, it provides category-wise HD and 4K wallpapers for Flutter, Android (Kotlin), iOS (Swift), React Native, Next.js / Web, and Python automation. The API delivers clean JSON responses with hosted image URLs, thumbnails, resolution metadata, and 50+ curated categories including AMOLED, anime, nature, and live video wallpapers. The Free plan offers 100 API calls per day with no credit card required — perfect for testing, MVPs, production apps, desktop wallpaper rotators, Discord bots, and mobile app API integrations. Premium plans start at ₹399/month for 10,000 calls/day.
Execute live queries against our REST API sandbox right now without writing any code.
Click "Send Live Request" to test endpoint...No complex setup. No configuration headaches. Just register, grab your key, and start fetching wallpapers.
Create a free developer account in 30 seconds. No credit card required. Your API key is generated instantly in your dashboard.
Get Free KeySend a GET request with your Bearer token. Get back a clean JSON response with wallpaper URLs, thumbnails, and category data.
View DocsIntegrate wallpapers into Android, Flutter, iOS or Web. Scale from free to Pro as your user base grows — upgrade anytime.
We provide hosted media, structured metadata, plan-aware access, and content curation so you can focus on your application experience.
Fetch active categories, category wallpapers, and paginated wallpaper feeds with clean REST API payloads.
Wallpaper and thumbnail locations are returned with the metadata needed to render an efficient application feed.
Simple Bearer token auth, mobile & web-friendly WebP image URLs, pagination, and ready-to-use iOS, Android, Flutter, React Native, Next.js, and Python examples.
Use NexWall in qualifying monetized applications under the Developer API License, plan access, and content-rights restrictions.
Access dynamic video live wallpapers exclusively available in our Ultra plan to give your app a premium edge.
Free API keys receive non-premium collections. Premium developers unlock all 4K premium wallpaper categories.
Choose catalog access and a documented daily quota that match your application's traffic.
| Feature | NexWall Free | NexWall Pro | NexWall Ultra |
|---|---|---|---|
| HD and 4K image entries | ✓ | ✓ | ✓ |
| Category-wise wallpapers | Free categories | Free + premium | Free + premium |
| Live wallpaper entries | ✗ | ✗ | ✓ |
| Daily API quota | 100 calls/day | 10,000 calls/day | 50,000 calls/day |
| Commercial app integration | Per API license | Per API license | Per API license |
| Developer dashboard | ✓ | ✓ | ✓ |
| Pagination and search | ✓ | ✓ | ✓ |
| Developer support | Standard | High priority | Highest priority |
Stock photo services (Unsplash, Pexels, Pixabay) are built for desktop blogs and horizontal banners. NexWall is purpose-built from the ground up for mobile, desktop, and web wallpaper experiences across iOS, Android, Flutter, React Native, Next.js, and Python.
| Feature / Requirement | NexWall API | Unsplash API | Pexels API | Wallhaven API |
|---|---|---|---|---|
| Native 9:16 Mobile Aspect Ratio | Curated Portrait (1080p to 4K) | Mixed (mostly landscape 16:9) | Mixed (mostly landscape) | Mixed (mostly desktop 16:9) |
| Wallpaper Categories (AMOLED, Anime, 3D) | 50+ Dedicated Categories | Search tags only (unorganized) | Search tags only | General tags only |
| Live Video Wallpapers (MP4) | Yes (Ultra Plan) | No (static only) | Stock videos (not wallpapers) | No (static only) |
| Commercial Mobile App Licensing | Permitted (API License) | Strict app attribution rules | Attribution required | Non-commercial / varying |
| Developer Authentication | Instant Bearer Token | Requires OAuth app approval | API key with review | API key |
| Free Tier Without Credit Card | 100 requests / day, no card | 50 req/hr (demo) | 200 req/hr | Rate-limited by IP |
| Affordable Upgrade for Scaling | INR 399/mo (10k calls) | Free (API key; higher limits on approval) | Free (API key; higher limits on approval) | Free (API key) |
The NexWall API delivers incredibly fast load times for our 4K wallpaper feeds, keeping the user experience seamless. The curated high-resolution images look stunning on all device screens, making it a perfect fit for our wallpaper rotator app.
Honestly, finding a good wallpaper API that actually delivers True 4K quality without crazy lag is really tough. I integrated NexWall because I needed high-res images for a vibrant Home Screen UI I was designing, and it worked flawlessly. The JSON structure is super clean, making pagination a breeze. The edge latency is actually as low as they claim—images load almost instantly. If you are building a wallpaper app, this is hands down the best choice. Saved me a ton of backend headache!
Full architectural tutorials with production-ready code.
Complete guide with HTTP client, Staggered Grid, Cached Network Image, and pagination.
Native Kotlin coroutines, Retrofit2, Flow, and Coil with offline caching for 4K delivery.
Swift 5.9, SwiftUI declarative views, URLSession, and smooth Dark Mode wallpaper browsing.
Responsive cross-platform wallpaper app using React Native, Expo, Axios, and FastImage.
App Router, Server Components, Image CDN optimization, and Masonry grid layout.
Automated Python desktop rotators and Discord/Telegram wallpaper bots using requests and PIL.
Whether you're building a Flutter wallpaper app, an Android wallpaper app, a React Native wallpaper app, or a desktop wallpaper rotator — NexWall's free wallpaper API makes wallpaper app development fast and effortless.
Build a complete Flutter wallpaper app with Staggered Grid, CachedNetworkImage, infinite scroll, and category filtering. Our wallpaper API for Flutter returns optimized WebP images perfect for Dart apps.
Flutter wallpaper API tutorial →Create a high-performance Android wallpaper app with Kotlin coroutines, Retrofit2, Coil, and offline caching. The wallpaper API for Android supports pagination, search, and WallpaperManager integration.
Android Kotlin wallpaper tutorial →Ship a cross-platform React Native wallpaper app with Expo, Axios, and FastImage. The wallpaper API for React Native works seamlessly with FlatList infinite scroll and category-based navigation.
React Native wallpaper guide →Build a native iOS wallpaper app with Swift 5.9, SwiftUI, AsyncImage, and URLSession. The wallpaper API for iOS provides portrait 9:16 images optimized for iPhone and iPad displays.
iOS Swift wallpaper tutorial →Access dynamic live video wallpapers via the NexWall live wallpaper API. Stream HD and 4K MP4 looping wallpapers for home screens, lock screens, and immersive mobile experiences on the Ultra plan.
Live wallpaper API docs →Use the NexWall desktop wallpaper API with Python to build automated wallpaper rotators, Discord wallpaper bots, and Telegram wallpaper bots. Fetch random or trending 4K wallpapers with a single API call.
Python wallpaper automation guide →NexWall is a free API for developers looking to integrate wallpapers into their projects. Whether you need a wallpaper API for Flutter, wallpaper API for Android, wallpaper API for React Native, wallpaper API for iOS, or a wallpaper API for web apps built with Next.js — NexWall provides a unified wallpaper REST API with 4K wallpaper support, live wallpaper API access, AMOLED wallpaper categories, anime wallpaper collections, and a wallpaper download API that works out of the box. Start your wallpaper app development journey today with our free wallpaper API tutorials and comprehensive API documentation.
Dedicated architectural guides, technical specifications, and legal analyses for every stage of wallpaper app development.
Start prototyping with 100 free requests per day, 50+ categories, 4K quality, and instant API key issuance without credit card.
Curated vertical 9:16 portrait wallpapers with dual WebP grid thumbnails and full-resolution 4K original assets on global edge CDN.
Looping MP4 video wallpapers with lightweight poster thumbnails, duration metadata, and Android WallpaperService integration.
Step-by-step roadmap: Flutter vs Kotlin vs React Native, Staggered Grid, Android WallpaperManager, and AdMob monetization.
Explore 50+ curated categories, multi-param search, sorting options (popular, newest, random), and clean JSON payload structures.
Why stock photography APIs explicitly ban wallpaper apps in their Terms of Service and how NexWall solves the commercial licensing problem.
Everything you need to know about the NexWall Wallpaper API for any platform.
NexWall is a universal Free Wallpaper REST API engineered to work seamlessly across any platform, device, or programming language. Whether you are building an iOS app in Swift/SwiftUI, an Android app in Kotlin, a cross-platform app in Flutter or React Native, a modern web app in Next.js/React, or a Python script/bot, NexWall provides 100 free requests per day, 50+ curated categories, vertical 9:16 portrait ratios up to 4K UHD, and instant API key generation with zero credit card required.
Yes, NexWall offers a Free plan with 100 API calls per day (Free plan limits may change with prior notice). It includes full access to active standard wallpaper categories, which is perfect for development, MVPs, and production launches. No credit card required — just register and copy your API key instantly.
Yes! NexWall is a 100% platform-agnostic HTTP REST API returning standard JSON. Any client capable of sending HTTP requests can consume it. We offer verified integration guides and production code examples for iOS (Swift & SwiftUI), Android (Kotlin), Flutter (Dart), React Native (Expo), Web (Next.js & React), and Python automation/bots.
Unlike generic photo APIs (Unsplash, Pexels, Pixabay) which focus on horizontal landscape stock photography with inconsistent dimensions, NexWall is engineered specifically for wallpaper applications across mobile and web. All images are curated in vertical portrait aspect ratios (up to 2160x3840 4K UHD), organized in 50+ native wallpaper categories (AMOLED, Neon, Anime, Cars), support Live Video Wallpapers, and require no complex OAuth approval workflows.
Yes, subject to the NexWall Developer API License. It permits qualifying commercial integrations across Google Play Store, Apple App Store, desktop, and websites — including apps monetized with Google AdMob, subscriptions, or in-app purchases without transferring content copyright.
Yes, you can publish apps powered by NexWall on Google Play Store, Apple App Store, and the web, provided you adhere to the Developer API License, content rights, plan access, and quota restrictions.
Yes! NexWall provides clean REST endpoints that Python, Node.js, and shell scripts can query directly to fetch random or trending 4K wallpapers. You can use it to automatically rotate desktop wallpapers on Windows/macOS/Linux or power community wallpaper bots on Discord and Telegram.
The REST API returns standard JSON payloads with hosted CDN image and thumbnail URLs in lightweight WebP format (up to 2160x3840 4K UHD resolution), curated portrait aspect ratios, dimensions, tags, category metadata, and daily quota rate-limit headers (X-RateLimit-Limit and X-RateLimit-Remaining).
NexWall offers three transparent tiers: Free (100 requests/day, INR 0), Pro (10,000 requests/day with premium static categories, INR 399/month), and Ultra (50,000 requests/day with full access including 4K live video wallpapers, INR 899/month). All quotas reset daily at midnight UTC.
Yes, live video wallpapers in MP4 format are available exclusively through our Ultra API plan. You can stream and download high-definition looping video wallpapers for dynamic lock and home screen experiences.
Yes! NexWall provides complete wallpaper API tutorials for every major platform. Our step-by-step guides walk you through building a wallpaper app from scratch in Flutter (Dart), Android (Kotlin with Retrofit), iOS (Swift with SwiftUI), React Native (Expo), Next.js (React), and Python automation. Each tutorial includes full source code, architecture explanations, and production-ready best practices for wallpaper app development.
To build a wallpaper app, register for a free NexWall API key, then follow our platform-specific guide. For Flutter wallpaper apps, use the http package with Staggered Grid and CachedNetworkImage. For Android wallpaper apps, use Kotlin coroutines with Retrofit2 and Coil. Both guides include pagination, category filtering, search, and offline caching — everything you need for a production-ready wallpaper application.
NexWall is a mobile app API purpose-built for wallpapers. Unlike general stock photo APIs, NexWall delivers curated portrait 9:16 wallpapers up to 4K UHD, organized in 50+ categories (AMOLED, Anime, Nature, Cars, Neon), with live video wallpaper support and use in Google Play Store and Apple App Store apps under the NexWall Developer API License.
Yes! NexWall's wallpaper API includes dedicated categories for AMOLED/OLED black wallpapers, anime and manga wallpapers, dark aesthetic wallpapers, nature wallpapers, abstract 3D wallpapers, and many more. Developers can filter wallpapers by category using the category_id parameter to build focused wallpaper apps.
Absolutely! NexWall's REST API works perfectly for desktop wallpaper automation on Windows, macOS, and Linux. Use Python scripts with the requests library to fetch random or trending 4K wallpapers and set them as your desktop background automatically. Our Python wallpaper automation guide includes a complete desktop wallpaper rotator script.
Free keys are ideal for testing and MVPs. Pro and Ultra unlock premium categories, higher quotas, and better production headroom.
For testing and small launches.
For growing apps.
For scale & high traffic.
Not sure which plan is right for you?
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