---
title: Demand Hub | Help Center
description: A Prebid bid adapter driving incremental revenue through unique demand and ad formats.
---
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1. [Help Center](https://knowledge-base.optidigital.com/knowledge)
2. [Demand Hub](https://knowledge-base.optidigital.com/knowledge/demand-hub)
# Demand Hub
A Prebid bid adapter driving incremental revenue through unique demand and ad formats.
## Overview
- [What is Demand Hub?](https://knowledge-base.optidigital.com/knowledge/what-is-demand-hub)
- [Access To Exclusive Demand](https://knowledge-base.optidigital.com/knowledge/access-to-exclusive-demand)
## Getting Started & Onboarding
- [Demand Hub Analytics](https://knowledge-base.optidigital.com/knowledge/demand-hub-analytics)
- [Getting Started with Demand Hub](https://knowledge-base.optidigital.com/knowledge/getting-started-with-demand-hub)
## User Experience
- [Viewability Booster (Anchor Mode)](https://knowledge-base.optidigital.com/knowledge/viewability-booster-anchor-mode)
- [Captivating User Experience](https://knowledge-base.optidigital.com/knowledge/captivating-user-experience)
- [Carousel (Social Display Ad)](https://knowledge-base.optidigital.com/knowledge/social-display-ad)
## Invoicing and payments
- [What are your payment terms?](https://knowledge-base.optidigital.com/knowledge/what-are-your-payment-terms)
- [What is the best way to reach Opti Digital regarding payments?](https://knowledge-base.optidigital.com/knowledge/what-is-the-best-way-to-reach-opti-digital-regarding-payments)
## Q&A
- [What is Demand Hub?](https://knowledge-base.optidigital.com/knowledge/what-is-opti-engage)
- [Who is Demand Hub for?](https://knowledge-base.optidigital.com/knowledge/who-is-opti-engage-for)
- [What are the main advantages of Demand Hub?](https://knowledge-base.optidigital.com/knowledge/what-are-the-main-advantages-of-opti-engage)
- [Where can I see a demo?](https://knowledge-base.optidigital.com/knowledge/where-can-i-see-a-demo)
- [Can I access Demand Hub reporting via API?](https://knowledge-base.optidigital.com/knowledge/opti-engage-reporting-api)
- [What makes Demand Hub different from other ad formats?](https://knowledge-base.optidigital.com/knowledge/what-makes-opti-engage-different-from-other-ad-formats)
- [What geographies does Demand Hub support?](https://knowledge-base.optidigital.com/knowledge/geographies-supported)
- [Is Demand Hub compatible with AMP?](https://knowledge-base.optidigital.com/knowledge/is-opti-engage-compatible-with-amp)
- [Does Demand Hub have unique demand?](https://knowledge-base.optidigital.com/knowledge/does-opti-engage-have-exclusive-demand)
- [How does Demand Hub work?](https://knowledge-base.optidigital.com/knowledge/how-does-opti-engage-work)
- [Are the ads in the social display format ordered from the highest to the lowest value?](https://knowledge-base.optidigital.com/knowledge/are-the-ads-in-the-stories-ordered-from-the-highest-to-the-lowest-value)
- [How often is the algorithm of attention prediction recalculated?](https://knowledge-base.optidigital.com/knowledge/how-often-is-the-algorithm-of-attention-prediction-recalculated)
- [Do we answer with a display bid response, even for native demand?](https://knowledge-base.optidigital.com/knowledge/do-we-answer-with-a-display-bid-response-even-for-native-demand)
- [How do we measure user attention?](https://knowledge-base.optidigital.com/knowledge/how-do-we-measure-user-attention)
- [What type of placements deliver best results with Demand Hub?](https://knowledge-base.optidigital.com/knowledge/what-type-of-placements-deliver-best-results-with-opti-engage)
- [How can Demand Hub monetize better than other programmatic sources?](https://knowledge-base.optidigital.com/knowledge/how-can-opti-engage-monetize-better-than-other-programmatic-sources)
- [Do multi-ad templates have a negative impact on quality metrics, such as click-through rate and viewability?](https://knowledge-base.optidigital.com/knowledge/do-multi-ad-templates-have-a-negative-impact-on-quality-metrics-such-as-click-through-rate-and-viewability)
- [What can I do to improve monetization in cookie-less environments?](https://knowledge-base.optidigital.com/knowledge/what-can-i-do-to-improve-monetization-in-cookie-less-environments)
- [Tutorial | How to integrate Demand Hub to your programmatic ad stack](https://knowledge-base.optidigital.com/knowledge/what-are-the-integration-steps)
- [Tutorial | Selecting ad placements to test-drive Demand Hub](https://knowledge-base.optidigital.com/knowledge/criteria-for-adslot-selection)
- [Is Demand Hub available on Prebid?](https://knowledge-base.optidigital.com/knowledge/how-can-opti-engage-be-integrated-into-my-ad-stack)
- [What are compatible ad servers?](https://knowledge-base.optidigital.com/knowledge/what-are-compatible-ad-servers)
- [What sizes are supported?](https://knowledge-base.optidigital.com/knowledge/what-sizes-are-supported)
- [Are bids net or gross?](https://knowledge-base.optidigital.com/knowledge/do-you-bid-in-net)
- [In which currency do you bid?](https://knowledge-base.optidigital.com/knowledge/in-which-currency-do-you-bid)
- [What technical support and troubleshooting do you provide?](https://knowledge-base.optidigital.com/knowledge/what-technical-support-and-troubleshooting-do-you-provide)
- [What's the minimum version of Prebid required for Demand Hub?](https://knowledge-base.optidigital.com/knowledge/minimum-version-required)
- [How to block advertiser domain and IAB categories on Demand Hub](https://knowledge-base.optidigital.com/knowledge/blocking-advertisers-and-categories-opti-engage)
- [Can I block specific advertisers or categories from being displayed on my site?](https://knowledge-base.optidigital.com/knowledge/can-i-block-specific-advertisers-or-categories-from-being-displayed-on-my-site)
- [Demand Hub Bid Adapter Ads.txt and CMP update](https://knowledge-base.optidigital.com/knowledge/demand-hub-bid-adapter-ads.txt)
See less ▼
- [Ad Manager Hub](https://knowledge-base.optidigital.com/knowledge/ad-manager-hub#main-content)
- [Overview](https://knowledge-base.optidigital.com/knowledge/ad-manager-hub#overview)
- [Getting Started & Onboarding](https://knowledge-base.optidigital.com/knowledge/ad-manager-hub#getting-started-onboarding)
- [Advanced Tag Capabilities](https://knowledge-base.optidigital.com/knowledge/ad-manager-hub#advanced-tag-capabilities)
- [Ad Formats & Experiences](https://knowledge-base.optidigital.com/knowledge/ad-manager-hub#ad-formats-experiences)
- [Demand & Header Bidding](https://knowledge-base.optidigital.com/knowledge/ad-manager-hub#demand-header-bidding)
- [Yield & Pricing Optimization](https://knowledge-base.optidigital.com/knowledge/ad-manager-hub#yield-pricing-optimization)
- [A/B Testing & Optimization](https://knowledge-base.optidigital.com/knowledge/ad-manager-hub#a-b-testing-optimization)
- [Insights & Analytics](https://knowledge-base.optidigital.com/knowledge/ad-manager-hub#insights-analytics)
- [Audience & Targeting](https://knowledge-base.optidigital.com/knowledge/ad-manager-hub#audience-targeting)
- [FAQs](https://knowledge-base.optidigital.com/knowledge/ad-manager-hub#faqs)
- [Demand Hub](https://knowledge-base.optidigital.com/knowledge/demand-hub#main-content)
- [Overview](https://knowledge-base.optidigital.com/knowledge/demand-hub#overview)
- [Getting Started & Onboarding](https://knowledge-base.optidigital.com/knowledge/demand-hub#getting-started-onboarding)
- [User Experience](https://knowledge-base.optidigital.com/knowledge/demand-hub#user-experience)
- [Invoicing and payments](https://knowledge-base.optidigital.com/knowledge/demand-hub#invoicing-and-payments)
- [Q&A](https://knowledge-base.optidigital.com/knowledge/demand-hub#qa)
- [Insights Hub](https://knowledge-base.optidigital.com/knowledge/insights-hub#main-content)
- [Overview](https://knowledge-base.optidigital.com/knowledge/insights-hub#overview)
- [Getting Started & Onboarding](https://knowledge-base.optidigital.com/knowledge/insights-hub#getting-started-onboarding)
- [Pre-Built Analytics Dashboards](https://knowledge-base.optidigital.com/knowledge/insights-hub#pre-built-analytics-dashboards)
- [Custom Reporting](https://knowledge-base.optidigital.com/knowledge/insights-hub#custom-reporting)
- [Ad Experience Hub](https://knowledge-base.optidigital.com/knowledge/ad-experience-hub#main-content)
- [Overview](https://knowledge-base.optidigital.com/knowledge/ad-experience-hub#overview)
- [Getting Started & On Boarding](https://knowledge-base.optidigital.com/knowledge/ad-experience-hub#getting-started-on-boarding)
- [Ad Formats & Experiences](https://knowledge-base.optidigital.com/knowledge/ad-experience-hub#ad-formats-experiences)
- [Yield Hub](https://knowledge-base.optidigital.com/knowledge/yield-hub#main-content)
- [Overview](https://knowledge-base.optidigital.com/knowledge/yield-hub#overview)
- [Getting Started & Onboarding](https://knowledge-base.optidigital.com/knowledge/yield-hub#getting-started-onboarding)
- [FAQ](https://knowledge-base.optidigital.com/knowledge/yield-hub#faq)
- [Release Notes](https://knowledge-base.optidigital.com/knowledge/release-notes#main-content)
- [2026](https://knowledge-base.optidigital.com/knowledge/release-notes#2026)
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