Introduction
The Sellwild SDK delivers programmatic display and video ads into native mobile applications through a managed Prebid Server instance. All auctions run server-to-server — no client-side JavaScript, no WebView ad rendering, no SDK bloat.
How It Works
Your App
iOS / Android / RN / Flutter
1 SDK
Sellwild SDKNative
Ad Views
Listing Cards
Event Tracking
< 200ms
Prebid ServerLive
prebid.sellwild.com
S2S OpenRTB auction
SSP Demand400+
AppNexus/Xandr
PubMatic
Magnite/Rubicon
Index Exchange
OpenX
TripleLift
Sharethrough
InMobi
Smaato
Yieldmo
Taboola
Media.net
Sovrn
Unruly
LoopMe
Nativo
Why Server-Side
| Client-Side SDKs | Sellwild (Server-Side) | |
|---|---|---|
| Integration | 10-40 individual SDKs | 1 SDK |
| Auction | On-device, sequential | Server-side, parallel |
| Latency | 2-5s per waterfall | <200ms total |
| App Size | +30-80 MB | +2 MB |
| Device IDs | Each SDK reads separately | Passed once, securely |
| Updates | App Store release required | Server config change |
| Reporting | Fragmented across SSPs | Unified dashboard |
Supported Platforms
| Platform | Language | Min Version | Package Manager |
|---|---|---|---|
| iOS | Swift 5.5 | iOS 13+ | SPM / CocoaPods |
| Android | Kotlin | API 21+ | Gradle (Maven) |
| React Native | TypeScript | RN 0.70+ | npm / yarn |
| Flutter | Dart 3 | Flutter 3.10+ | pub.dev |
Ad Formats
| Format | Size | Placement |
|---|---|---|
| Banner | 320x50 | Top/bottom of screen |
| MREC | 300x250 | In-feed, between content |
| Leaderboard | 728x90 | Tablet top/bottom |
| Interstitial | Fullscreen | Between screens |
| Video | 300x250, 320x480 | In-feed, interstitial |
| Native Listings | Flexible | In-feed marketplace cards |
Next Steps
Choose your platform to get started:
- iOS (Swift) — Swift Package Manager or CocoaPods
- Android (Kotlin) — Gradle dependency
- React Native — npm package
- Flutter — pub.dev package
Or learn about the ad server:
- Prebid Server — SSP configuration, GDPR, auction telemetry