Best Demand Side Platform (DSP) with API / Integrations Capabilities

How Many Demand Side Platform (DSP) Products Does G2 Track?

Total Products under this Category: 172

Category Stats (Sep 2026)

  • Average Rating: 4.25/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: illumin (+0.12%) - Among all products in this category, illumin recorded the largest rating increase compared to last month

Last updated: September 01, 2026

How Does G2 Rank Demand Side Platform (DSP) Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 10,000+ Authentic Reviews
  • 172+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Demand Side Platform (DSP)

G2 Grid® for Demand Side Platform (DSP) plotting products by satisfaction and market presence

Highlighted products: StackAdapt, The Trade Desk, Quantcast Platform, illumin, Simpli.fi, Viant Technology, AdRoll ABM (Formerly RollWorks), and NT Technology.

Underlying data: [Grid® JSON](https://www.g2.com/categories/demand-side-platform-dsp/grids.json?focus%5B%5D=stackadapt&focus%5B%5D=the-trade-desk&focus%5B%5D=quantcast-platform&focus%5B%5D=illumin-illumin&focus%5B%5D=simpli-fi&focus%5B%5D=viant-technology-llc-viant-technology&focus%5B%5D=adroll-abm-formerly-rollworks&focus%5B%5D=nt-technology)

StackAdapt

StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision. With 465 billion automated optimizations per second, the AI-powered StackAdapt Marketing Platform seamlessly connects brand and performance marketing to drive measurable results across the entire customer journey. The most forward-thinking marketers choose StackAdapt to orchestrate high-impact campaigns across programmatic advertising and marketing channels. Learn more about StackAdapt here: www.stackadapt.com. And if you're looking for a change, we'd love to have you on our team—check out our open roles by visiting: www.stackadapt.com/careers. StackAdapt is headquartered in Toronto, Canada. We have teams and support across North America, EMEA, APAC, and LATAM.

Average Rating: 4.7/5.0

Total Reviews: 892

How Do G2 Users Rate StackAdapt?

  • Has the product been a good partner in doing business?: 9.8/10 (Category avg: 8.5/10)
  • Cross Channel Capabilities : 9.4/10 (Category avg: 8.3/10)
  • Performance and Reliability: 9.3/10 (Category avg: 8.4/10)
  • Cross-Device Capabilities: 9.2/10 (Category avg: 8.1/10)

Who Is the Company Behind StackAdapt?

  • Seller: StackAdapt
  • Company Website:
  • Year Founded: 2014
  • HQ Location: Ontario
  • Twitter: @StackAdapt
    2,579 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1,807 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Digital Marketing Manager, Digital Strategist
  • Top Industries: Marketing and Advertising, Financial Services
  • Company Size: 62% Small, 32% Medium

What Do G2 Reviewers Say About StackAdapt?

AI-generated summary from verified user reviews

Pros
  • Users highlight the ease of use of StackAdapt, appreciating its user-friendly interface and efficient campaign setup.
  • Users praise StackAdapt for its superior customer support, receiving proactive assistance that enhances their advertising strategies.
  • Users commend StackAdapt's exceptionally helpful team for providing strategic insights and fast support, enhancing campaign management.
  • Users value StackAdapt for its excellent customer service and helpful support team, enhancing their advertising experience significantly.
  • Users value the user-friendly interface and robust features of StackAdapt for managing ad campaigns effectively.
Cons
  • Users note reporting limitations in StackAdapt, finding it complex and time-consuming to organize necessary data.
  • Users find reporting issues complicate data organization and rely on support for custom pulls, hindering efficiency.
  • Users find the budget management process complicated with transparency issues and restrictions on credit card billing limits.
  • Users find limited reporting capabilities make data organization more complex and time-consuming than expected.
  • Users find the reporting functionality complex, often needing custom support pulls to access organized data efficiently.

What Are Recent G2 Reviews of StackAdapt?

What Are G2 Users Discussing About StackAdapt?

The Trade Desk

The Trade Desk's self-service, cloud-based platform enables ad buyers to create, manage, optimize and measure advertising campaigns across ad formats and devices. Integrations with hundreds of global data, inventory, and publisher partners ensure maximum reach and decisioning capabilities, and enterprise APIs enable custom development on top of the platform. The Trade Desk's powerful technology offers advertisers unparalleled audience scale and reach, evaluating more than 13 million impressions and quadrillions of permutations across the open internet every single second. The platform's goals-based buying allows advertisers to set multiple KPIs, with transparency into performance and the ability to optimize campaigns in-flight. Advertisers on the platform can also leverage a robust data marketplace to inform and measure their ad campaigns against online and offline business results. Recognized for its innovation and agility, The Trade Desk is a leader in Connected TV and Retail Media, as well as emerging programmatic channels like audio, digital-out-of-home, and gaming. To help marketers understand the rapidly evolving and complex world of data-driven advertising, The Trade Desk also offers Edge Academy certification courses. Founded in 2009 in Ventura, California, The Trade Desk (Nasdaq: TTD) has more than 3,000 employees in dozens of offices across North America, Europe, and Asia Pacific. Clients include the biggest brands and largest advertising agencies in the world. The company's client retention rate has been above 95% for the past nine years, due to outstanding client service and superior technology.

Average Rating: 4.4/5.0

Total Reviews: 178

How Do G2 Users Rate The Trade Desk?

  • Has the product been a good partner in doing business?: 8.8/10 (Category avg: 8.5/10)
  • Cross Channel Capabilities : 8.5/10 (Category avg: 8.3/10)
  • Performance and Reliability: 8.4/10 (Category avg: 8.4/10)
  • Cross-Device Capabilities: 8.6/10 (Category avg: 8.1/10)

Who Is the Company Behind The Trade Desk?

  • Seller: The Trade Desk
  • Company Website:
  • Year Founded: 2009
  • HQ Location: Ventura, CA
  • Twitter: @TheTradeDesk
    20,680 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    4,738 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Account Manager
  • Top Industries: Marketing and Advertising, Computer Software
  • Company Size: 43% Medium, 30% Small

What Do G2 Reviewers Say About The Trade Desk?

AI-generated summary from verified user reviews

Pros
  • Users value The Trade Desk's advanced targeting options and transparency, enhancing campaign performance and efficiency.
  • Users find The Trade Desk remarkably easy to use, allowing for quick and intuitive campaign setup and management.
  • Users value the advanced audience targeting of The Trade Desk, enhancing their campaigns with diverse and complex options.
  • Users appreciate The Trade Desk's advanced targeting options, enabling precise audience engagement and optimized campaign performance.
  • Users appreciate the effective campaign management features of The Trade Desk, enabling optimized and user-friendly digital ad campaigns.
Cons
  • Users face a steep learning curve with The Trade Desk, particularly challenging for newcomers to navigate effectively.
  • Users find the expensive minimum spend and complexity a barrier for smaller campaigns and new team members.
  • Users often face a steep learning curve with The Trade Desk, making it challenging for new users to adapt.
  • Users note the complex setup and steep learning curve that hinder accessibility for smaller campaigns and new users.
  • Users find the difficult setup of The Trade Desk challenging, particularly for new users and smaller teams.

What Are Recent G2 Reviews of The Trade Desk?

What Are G2 Users Discussing About The Trade Desk?

Simpli.fi

Simpli.fi ist die Medienplattform der realen Welt, die für das Zeitalter der Unmittelbarkeit entwickelt wurde. Durch die Vereinigung von digitalem Verhalten und realer Bewegung in ein einziges umsetzbares Signal ermöglicht Simpli.fi über 2.000 Agenturen, Werbetreibenden und Mediengruppen, Kampagnen genau dort zu zielgenau zu steuern, zu optimieren und zu messen, wo Verbraucherentscheidungen getroffen werden. Basierend auf der Wahrheit, dass Menschen digitale Mittel nutzen, um sich in der physischen Welt zu orientieren, ist Simpli.fi eine Plattform, die diese Signale in Echtzeit verbindet—was es Marken ermöglicht, auf Verbraucherabsichten im Moment ihres Auftretens zu reagieren und die Auswirkungen bis zur Tür zu messen. Wir gedeihen durch Innovation, datengesteuerte Ergebnisse und eine Kultur der kontinuierlichen Verbesserung, um Marketing unmittelbarer, intelligenter und vernetzter zu machen.

Average Rating: 4.5/5.0

Total Reviews: 153

How Do G2 Users Rate Simpli.fi?

  • War the product ein guter Geschäftspartner?: 9.0/10 (Category avg: 8.5/10)
  • Cross-Channel-Funktionen: 9.0/10 (Category avg: 8.3/10)
  • Leistung und Zuverlässigkeit: 8.7/10 (Category avg: 8.4/10)
  • Geräteübergreifende Funktionen: 8.6/10 (Category avg: 8.1/10)

Who Is the Company Behind Simpli.fi?

  • Verkäufer: Simpli.fi
  • Unternehmenswebsite:
  • Gründungsjahr: 2010
  • Hauptsitz: Fort Worth, TX
  • Twitter: @simpli_fi
    1,808 Twitter-Follower
  • LinkedIn®-Seite: www.linkedin.com
    607 Mitarbeiter*innen auf LinkedIn®

Who Uses This Product?

  • Who Uses This: Kundenbetreuer
  • Top Industries: Marketing und Werbung, Rundfunkmedien
  • Company Size: 56% Small, 36% Medium

What Do G2 Reviewers Say About Simpli.fi?

AI-generated summary from verified user reviews

Pros
  • Benutzer loben den zugänglichen und hilfreichen Kundensupport von Simpli.fi, was ihre Gesamterfahrung und den Erfolg ihrer Kampagnen verbessert.
  • Benutzer finden die Plattform von Simpli.fi unglaublich einfach zu bedienen, wobei hilfreicher Support ihre gesamte Kampagnenmanagement-Erfahrung verbessert.
  • Benutzer finden das unterstützende Team von Simpli.fi sehr zugänglich und hilfsbereit, was ihre gesamte Marketing-Erfahrung erheblich verbessert.
  • Benutzer schätzen das außergewöhnlich hilfsbereite Team von Simpli.fi, das Unterstützung und Hilfe während ihrer Kampagnen gewährleistet.
  • Benutzer schätzen Simpli.fi's hyperlokale Zielgruppenansprache-Fähigkeiten, die die Präzision für Franchise- und Mehrstandort-Kundenkampagnen verbessern.
Cons
  • Benutzer finden die Preisgestaltung von Simpli.fi teuer und unklar, was die Budgetierung und Planung erschwert.
  • Benutzer haben Schwierigkeiten mit der komplexen Einrichtung von Simpli.fi und finden die Benutzeroberfläche und den Onboarding-Prozess unintuitiv und herausfordernd.
  • Benutzer mögen die zusätzlichen Gebühren und den Mangel an Preistransparenz nicht, was zu unerwarteten Kosten und Verwirrung führt.
  • Benutzer äußern Frustration über den Mangel an Klarheit bei der Einarbeitung und Preisgestaltung, was das Vertrauen und die Gesamterfahrung beeinträchtigt.
  • Benutzer kämpfen mit dem schlechten Schnittstellendesign von Simpli.fi, da sie es überladen und schwer zu navigieren finden.

What Are Recent G2 Reviews of Simpli.fi?

What Are G2 Users Discussing About Simpli.fi?

Basis

Basis is everything you need to plan, buy, analyze and streamline your best-performing digital media campaigns. Basis is more than just streamlined media buying—Basis is a comprehensive and automated digital media platform. Using Basis means you can manage direct, programmatic, search & social through a single interface. With robust business intelligence, workflow automation, search & social integrations, and a top-rated DSP powered by artificial intelligence, it's a platform you can run your entire digital business on top of. At the core of Basis' AI capabilities is Compass, a connected intelligence layer that thinks across your entire media mix rather than any single channel in isolation. Compass translates media briefs into full omnichannel strategies in minutes, pulls in past performance data to sharpen every recommendation, and exports presentation-ready plans without the manual build—taking teams from brief to activation faster than ever before. At the heart of Basis is our award-winning, omnichannel DSP built for speed and performance so your programmatic campaigns thrive. With optimizations supported by artificial intelligence, hyper-local targeting, an expansive PMP library, and easy to implement cross-device targeting - Basis was built to make you better. An AdExchanger Awards multi-winner for best education program and best account support, our on-boarding and training curriculum enable teams to quickly improve their digital advertising knowledge and skill sets. Robust fraud and brand protection prevent wasted investments and ensure confidence in your campaign performance, while workflow automation continues to reduce manual effort across every stage of the media lifecycle.

Average Rating: 4.5/5.0

Total Reviews: 263

How Do G2 Users Rate Basis?

  • Has the product been a good partner in doing business?: 9.4/10 (Category avg: 8.5/10)
  • Cross Channel Capabilities : 8.6/10 (Category avg: 8.3/10)
  • Performance and Reliability: 8.6/10 (Category avg: 8.4/10)
  • Cross-Device Capabilities: 8.6/10 (Category avg: 8.1/10)

Who Is the Company Behind Basis?

  • Seller: Basis Technologies
  • Year Founded: 2001
  • HQ Location: Chicago, IL
  • Twitter: @basisglobaltech
    4,732 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1,469 employees on LinkedIn®
  • Phone: 844-637-0321

Who Uses This Product?

  • Who Uses This: Digital Marketing Manager, Digital Media Planner
  • Top Industries: Marketing and Advertising, Newspapers
  • Company Size: 64% Small, 28% Medium

What Do G2 Reviewers Say About Basis?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the ease of use of Basis, enjoying its intuitive navigation and helpful support for seamless integration.
  • Users appreciate the user-friendly interface of Basis, complemented by supportive account reps and helpful integrations.
  • Users appreciate the excellent reporting metrics and dimensions, promoting a clear understanding of the marketplace inventory.
  • Users value the exceptional customer support and extensive features offered by Basis, enhancing their overall experience.
  • Users highlight the exceptional customer support and valuable product offerings of Basis, enhancing their overall experience.
Cons
  • Users find the complex user interface of Basis outdated and challenging, making report generation inconvenient.
  • Users find the product complex, noting it isn't user-friendly for everyone, making it challenging to navigate.
  • Users find the system complex and not user-friendly, making it challenging for everyone to navigate effectively.
  • Users find the complex reporting process inconvenient, along with an outdated UI affecting overall usability.
  • Users find the complex usability of Basis challenging, making it difficult for a broader audience to navigate.

What Are Recent G2 Reviews of Basis?

Roku OneView (formerly Dataxu)

A single platform for marketers and content owners to reach more cord-cutters of any platform and measure performance using TV identity data from the No. 1 TV streaming platform in the US to manage to advertise. Advertisers can manage their entire campaigns – including OTT, linear TV, omnichannel, and more – all in one place, and can reach four in five homes in America with OneView Ad Platform.

Average Rating: 3.8/5.0

Total Reviews: 85

How Do G2 Users Rate Roku OneView (formerly Dataxu)?

  • Has the product been a good partner in doing business?: 8.1/10 (Category avg: 8.5/10)
  • Cross Channel Capabilities : 5.0/10 (Category avg: 8.3/10)
  • Performance and Reliability: 8.0/10 (Category avg: 8.4/10)
  • Cross-Device Capabilities: 8.0/10 (Category avg: 8.1/10)

Who Is the Company Behind Roku OneView (formerly Dataxu)?

  • Seller: Roku
  • Year Founded: 2002
  • HQ Location: San Jose, CA
  • Twitter: @Roku
    247,565 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    4,365 employees on LinkedIn®
  • Ownership: NASDAQ:ROKU

Who Uses This Product?

  • Top Industries: Marketing and Advertising, Hospital & Health Care
  • Company Size: 41% Medium, 31% Small

What Are Recent G2 Reviews of Roku OneView (formerly Dataxu)?

What Are G2 Users Discussing About Roku OneView (formerly Dataxu)?

Criteo Commerce Growth

Criteo Commerce Growth is an AI-powered performance marketing platform that helps brands and agencies find new customers, engage high-intent shoppers, and maximize revenue across web, social, video, and CTV. Built on the world’s largest commerce dataset, it predicts what shoppers will buy next and dynamically optimizes every stage of the shopper journey—from audience targeting and predictive bidding to product recommendations and dynamic creative optimization. With seamless cross-channel activation, deep commerce insights, and transparent measurement, Commerce Growth helps marketers drive smarter ad spend, broader reach, and stronger performance—all in one unified platform.

Average Rating: 3.8/5.0

Total Reviews: 218

How Do G2 Users Rate Criteo Commerce Growth?

  • Has the product been a good partner in doing business?: 8.1/10 (Category avg: 8.5/10)
  • Cross Channel Capabilities : 0.0/10 (Category avg: 8.3/10)
  • Performance and Reliability: 7.9/10 (Category avg: 8.4/10)
  • Cross-Device Capabilities: 7.8/10 (Category avg: 8.1/10)

Who Is the Company Behind Criteo Commerce Growth?

  • Seller: Criteo
  • HQ Location: Paris, France
  • Twitter: @criteo
    18,673 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    3,912 employees on LinkedIn®
  • Ownership: NASDAQ:CRTO
  • Total Revenue (USD mm): $2,072

Who Uses This Product?

  • Who Uses This: Marketing Manager, Digital Marketing Manager
  • Top Industries: Retail, Marketing and Advertising
  • Company Size: 48% Medium, 41% Small

What Are Recent G2 Reviews of Criteo Commerce Growth?

What Are G2 Users Discussing About Criteo Commerce Growth?

Gold Lasso

Gold Lasso is a free email service provider exclusively for media companies helping them monetize their email assets with native advertising and email newsletter automation.

Average Rating: 4.8/5.0

Total Reviews: 16

How Do G2 Users Rate Gold Lasso?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.5/10)

Who Is the Company Behind Gold Lasso?

  • Seller: Gold Lasso
  • Year Founded: 2002
  • HQ Location: Gaithersburg, MD
  • Twitter: @GoldLasso
    1,560 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    6 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Marketing and Advertising
  • Company Size: 38% Medium, 31% Small

What Are Recent G2 Reviews of Gold Lasso?

What Are G2 Users Discussing About Gold Lasso?

MediaMath by Infillion

MediaMath is a global omnichannel demand-side platform (DSP) that opens up the limitless possibilities of programmatic to meet brands' and agencies' unique goals. A pioneer in the industry introducing the first DSP with the company's founding in 2007, MediaMath was acquired by Infillion in 2023, an advertising technology company that owns and markets premium advertising products, to provide advertisers with an end-to-end solution including attention-guaranteed video and unique first-party data for future-proofed programmatic and creative solutions. MediaMath's programmatic platform offers a customizable tech stack with a modular, API-first approach for flexibility and customization, future-proofed identity solutions to expand addressability, curated inventory optimized towards specific KPIs for powerful results, and transparency into performance for improved efficiency. 

Average Rating: 3.9/5.0

Total Reviews: 118

How Do G2 Users Rate MediaMath by Infillion?

  • Has the product been a good partner in doing business?: 8.2/10 (Category avg: 8.5/10)
  • Cross Channel Capabilities : 8.9/10 (Category avg: 8.3/10)
  • Performance and Reliability: 7.6/10 (Category avg: 8.4/10)
  • Cross-Device Capabilities: 6.9/10 (Category avg: 8.1/10)

Who Is the Company Behind MediaMath by Infillion?

  • Seller: Infillion
  • Company Website:
  • Year Founded: 2008
  • HQ Location: New York, US
  • Twitter: @infilliontech
    300 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    186 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Account Manager
  • Top Industries: Marketing and Advertising, Internet
  • Company Size: 51% Medium, 25% Small

What Do G2 Reviewers Say About MediaMath by Infillion?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the unique campaign categories and excellent customer support offered by MediaMath's Ad Management.
  • Users appreciate the transparency and control over spending that MediaMath by Infillion offers for effective advertising management.
  • Users appreciate the transparency and control over spending offered by MediaMath, enhancing budget management efficiency.
  • Users value the unique campaign options in MediaMath by Infillion, combined with excellent customer support.
  • Users value the unique campaign opportunities MediaMath offers, along with excellent customer support services.
Cons
  • Users find the complexity and outdated UI of MediaMath cumbersome, with navigation and setup being particularly challenging.
  • Users find the initial setup complex, leading to frustration with navigation and dashboard updates in MediaMath.
  • Users find the complex user interface outdated and difficult to navigate, complicating their overall experience.
  • Users find the dashboard issues frustrating, highlighting outdated UI, complicated navigation, and slow report updates.
  • Users find the difficult navigation challenging due to an outdated UI and complex menus that hinder usability.

What Are Recent G2 Reviews of MediaMath by Infillion?

What Are G2 Users Discussing About MediaMath by Infillion?

Choozle

Choozle – Digital Advertising Made Easy® offers a powerful platform and expert services for omnichannel digital advertising across programmatic, search, and social. Marketers can run data-driven campaigns across display, connected TV, video, mobile, and more—using one intuitive interface backed by strategic support.

Average Rating: 4.2/5.0

Total Reviews: 198

How Do G2 Users Rate Choozle?

  • Has the product been a good partner in doing business?: 8.8/10 (Category avg: 8.5/10)
  • Cross Channel Capabilities : 8.3/10 (Category avg: 8.3/10)
  • Performance and Reliability: 8.0/10 (Category avg: 8.4/10)
  • Cross-Device Capabilities: 8.3/10 (Category avg: 8.1/10)

Who Is the Company Behind Choozle?

  • Seller: Choozle, Inc.
  • Company Website:
  • Year Founded: 2012
  • HQ Location: Denver, Colorado
  • Twitter: @choozle
    1,235 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    52 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Digital Marketing Manager, CEO
  • Top Industries: Marketing and Advertising, Financial Services
  • Company Size: 73% Small, 21% Medium

What Do G2 Reviewers Say About Choozle?

AI-generated summary from verified user reviews

Pros
  • Users appreciate Choozle's brilliant audience targeting and behavioral analytics for enhancing their digital marketing efforts.
  • Users value the supportive campaign management team at Choozle, which enhances collaboration and strategic insights.
  • Users commend the supportive and collaborative team at Choozle, enhancing campaign management and strategic recommendations.
  • Users appreciate the user-friendly interface of Choozle, simplifying digital marketing and campaign management.
  • Users find Choozle to be affordable, providing high ad technology without breaking the budget.
Cons
  • Users face insufficient training challenges in Choozle, causing difficulties in achieving quality ad performance.
  • Users feel that account issues arise due to the team's overloaded management, leading to missed details and less attention.
  • Users report account management issues, noting that attention to detail may be lacking due to high account volume.
  • Users face frequent errors and delays during campaign management, impacting outcomes and requiring better creative guidelines.
  • Users face challenges due to data inaccuracy, hindering effective reporting and analysis in Choozle.

What Are Recent G2 Reviews of Choozle?

What Are G2 Users Discussing About Choozle?