Access Premium Mobile Supply
Oprello is a mobile SSP and ad exchange. Connect your DSP to our OpenRTB 2.5 compliant exchange and bid on quality mobile app inventory across iOS and Android.
How the Exchange Works
Oprello runs a transparent, first-price auction for every ad impression
OpenRTB 2.5 Protocol
Bid requests follow the IAB OpenRTB 2.5 specification. Standard fields for device, app, user, geo, and impression objects.
- Standard bid request format
- Device & geo signals
- App & publisher data
- Content category taxonomy
First-Price Auction
Every impression runs a first-price auction across all connected DSPs. The highest valid bid wins and serves the creative.
- Transparent auction logic
- Configurable floor prices
- Per-DSP timeout controls
- Parallel bid fanout
Brand Safety
All publisher apps are reviewed before going live. DSPs receive accurate content categories and bundle IDs in every bid request.
- Publisher verification
- IAB content categories
- Bundle ID transparency
- Domain & app blocklists
Creative Support
Support for all standard mobile ad creatives including static images, MRAID interstitials, VAST video, and OpenRTB Native 1.2.
- VAST 2.0–4.x video
- MRAID 3.0 rich media
- Native 1.2 assets
- Static image banners
Event Tracking
Win notifications, impression tracking, and click tracking via standard nurl, burl, and lurl callbacks in the bid response.
- Win notice (nurl)
- Billing notice (burl)
- Loss notice (lurl)
- Impression & click macros
Privacy Compliance
Bid requests include GDPR consent, US Privacy (CCPA), GPP strings, and COPPA flags so your bidder can make informed decisions.
- GDPR / TCF v2 consent
- US Privacy string (CCPA)
- GPP support
- COPPA child-directed flag
Supported Ad Formats
Bid on all major mobile ad formats through a single integration
Banner
Standard display ads in common mobile sizes. Serve static images or MRAID creatives.
Interstitial
Full-screen placements at natural app transition points. Supports MRAID and VAST video.
Rewarded
Opt-in video ads where users receive an in-app reward. High completion rates.
Native
OpenRTB Native 1.2 compliant. Respond with title, image, icon, CTA, and data assets.
Integration in 4 Steps
Get your DSP connected and bidding on Oprello supply
Contact Us
Reach out to set up a demand partner account and get your DSP endpoint registered.
Set Your Endpoint
Provide your bid request URL. We configure ad format filters, timeout, and traffic preferences.
Build Your Bidder
Implement your bidder against our OpenRTB 2.5 spec. Use our test endpoint to validate responses.
Go Live
Once validated, your DSP receives live bid requests and competes in our first-price auction.
Why DSPs Partner With Us
Quality supply, transparent auctions, and straightforward integration
Quality Mobile Inventory
Access mobile app inventory across iOS and Android from verified publishers. All apps are reviewed before activation on our exchange.
- Verified publisher apps
- iOS and Android supply
- Multiple ad formats per app
- Real device traffic only
Transparent Auctions
First-price auction with clear floor prices in every bid request. Win/loss notifications so you can optimize your bidding strategy.
- First-price auction model
- Floor price in bid request
- Win/loss notifications
- Standard OpenRTB macros
Simple Integration
Standard OpenRTB 2.5 protocol means no proprietary SDKs or custom formats. If your DSP speaks OpenRTB, you can integrate with Oprello.
- OpenRTB 2.5 standard
- No proprietary protocols
- Test endpoint available
- Full documentation provided
Ready to Connect Your DSP?
Review our integration docs or get in touch to set up your demand partner account.
OpenRTB 2.5 compliant -- First-price auction -- VAST & MRAID support