SpotX
SpotX is a video advertising platform, now part of Magnite, that provides programmatic CTV, OTT, and online video monetization tools for premium publishers and broadcasters, alongside inventory access and brand protection for advertisers and agencies.
- Company typePrivate
- Founded2007
- HeadquartersBroomfield, United States
- Headcount501–1,000
- GTM typeB2B
- OfferingSoftware
What SpotX does
SpotX, founded in 2007 and headquartered in Broomfield, Colorado, operates a video advertising platform that enables publishers and broadcasters to monetize content across desktop, mobile, and connected TV (CTV) devices. Following its 2021 acquisition by Magnite (NASDAQ: MGNI), SpotX is integrated into Magnite's broader sell-side offering, with the SpotX brand and engineering DNA (including CTO J. Allen Dove) shaping the parent's CTV and programmatic video roadmap. The platform combines a sellerside programmatic exchange (DV+, originally the Rubicon Project SSP) with ad serving and yield management through SpringServe, supply-side curation via ClearLine, campaign planning via Explorer, and demand activation via Demand Manager.
The technology stack processes 4.7 billion daily impressions globally across data centers in Virginia, Denver, Amsterdam, and Singapore, and features programmatic bidding, header bidding, supply path optimization, advanced brand protection, and cookieless audience solutions through clean rooms, extended IDs, and standardized data classification. AI capabilities are being embedded as distinct product layers: Magnite Orchestration introduces agentic advertising for autonomous buyer/seller workflows, while streamr.ai applies generative AI to creative production and campaign activation for CTV. The platform serves both media owners (premium publishers, broadcasters, FAST channels, streamers) and buyers (brands, agencies) across 190 countries, with notable flagship supply relationships including Netflix, Roku, iHeartMedia, Business Insider, United Airlines, and Viasat Aviation, and integrations with Amazon Ads, Google Open Bidding, Dentsu, and DIRECTV Advertising.
Revenue is generated primarily through transaction fees on programmatic advertising — fees charged for ad serving, programmatic infrastructure access, and CTV/video inventory monetization across screens. Pricing is not publicly disclosed; B2B contracts are quoted based on customer volume and needs. Go-to-market combines enterprise field sales for major publishers and advertisers with self-serve/platform access (DV+) for mid-market clients. Magnite's certification footprint (IAB Europe TCF, NAI, EU/UK/Swiss Data Privacy Frameworks, JICDAQ) and a 900+ person global organization across 19 offices operationalize a compliance-heavy, enterprise-led commercial motion.
SpotX firmographics
Firmographics- Name
- SpotX
- Legal name
- SpotX, Inc.
- Website
- https://spotx.tv
- Company type
- Private
- Founded year
- 2007
- Operating status
- Acquired
- Headcount range
- 501–1,000 employees
- Short description
- SpotX is a video advertising platform, now part of Magnite, that provides programmatic CTV, OTT, and online video monetization tools for premium publishers and broadcasters, alongside inventory access and brand protection for advertisers and agencies.
- Ownership category
- akta.pro rank
SpotX industry classification
Industry- Product category
- Programmatic Advertising Technology
- NAICS
- Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers (516210), Media Buying Agencies (541830)
- SIC
- Services-Advertising (7310)
- akta.pro primary industry
- Customer Experience (CX) & Digital Experience (BPAHAEAC)
Keywords
Where SpotX is headquartered
LocationHeadquarters
- HQ city
- Broomfield
- HQ country
- United States
- HQ region
- North America
Offices12 records
Markets served
SpotX business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Marketing or Sales, Infrastructure, Operations
Revenue model
- Programmatic Advertising Platform Fees: Magnite/SpotX operates as a sell-side advertising platform connecting buyers of advertising inventory with sellers (publishers). Revenue is generated through fees charged for programmatic advertising services, ad serving, and platform access.
- CTV and Video Ad Monetization: Monetization solutions for connected TV and video advertising across desktop, mobile, and streaming devices
Go-to-market motion2 records
Distribution channels3 records
Marketing channels6 records
SpotX product offering
Product offeringCore offering
SpotX is a programmatic video advertising platform that enables media owners (publishers and broadcasters) to monetize premium video inventory across desktop, mobile, and connected TV devices, while giving advertisers and agencies programmatic access to that inventory through real-time bidding, header bidding, and supply path optimization. The platform now operates as part of Magnite, combining the legacy SpotX ad serving stack with Magnite's DV+ sellerside platform, SpringServe ad serving, CTV/streaming capabilities, and AI-driven modules including Magnite Orchestration (agentic advertising) and streamr.ai (AI-driven creative and activation for CTV).
Product overview
SpotX, now part of Magnite, operates as a modular programmatic advertising platform comprising multiple integrated products. The core offering includes DV+ (the Rubicon Project sellerside platform) and Magnite SpringServe (an acquired ad serving and supply-side platform) for managing premium inventory across CTV, video, display, and audio. Additional modules include Magnite ClearLine for supply-side curation and audience activation, Magnite Explorer for campaign planning connecting advertisers to publishers, and Magnite Demand Manager for programmatic activation. The platform serves both media owners (sellers/publishers) seeking revenue optimization and buyers/agencies seeking premium inventory curation across every screen.
Differentiator
Problem solved
Functional benefit
Brands
- SpotX Platform: Video advertising platform for premium publishers and broadcasters providing programmatic video across all screens
- SpotX University
- SpotX for Change
Products and services
- DV+ (Rubicon Project)
Quantifiable outcome
- 270%+ revenue uplift for publishers using Open Bidding Direct Pay
Companies that use SpotX
Customer profileNamed customers10 records
Segments3 records
Ideal customer profiles3 records
SpotX technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability9 records
Feature5 records
SpotX partnerships and signals
Strategic signalPartnerships
14 partnerships are on record, tiered core, flagship and minor.
- Magnite (Merger/Acquisition)coreSpotX was acquired by Magnite in May 2021. Following the acquisition, leadership realignment placed former SpotX CTO J. Allen Dove as CTO of combined entity, signaling integration of CTV technology expertise.
- NetflixflagshipNetflix selected Magnite (SpotX) as a key global programmatic advertising partner, enabling programmatic ad buying on Netflix's streaming platform.
- RokucoreStrategic partnership powering performance for streaming TV on Roku platform, enabling programmatic advertising across Roku's streaming ecosystem.
- Amazon AdscoreMagnite joined Amazon Ads' Certified Supply Exchange Program, enabling integration with Amazon's advertising ecosystem.
- iHeartMediacorePartnership unifying access to broadcast and digital audio, providing advertisers with a direct path to premium audio inventory.
- Business InsidercoreBusiness Insider launched standalone FAST channel, partnering with Magnite's SpringServe for next phase of streaming growth.
- SpringServecoreSpringServe is an ad serving platform acquired by Magnite, providing video ad serving technology for publishers and connected TV.
- Tennis AustraliaminorTennis Australia tapped Magnite for programmatic advertising and implemented Demand Manager for streaming coverage.
- Viasat AviationminorMagnite and Viasat Aviation partnered to bring programmatic advertising to in-flight screens for connected aviation entertainment.
- United AirlinesminorUnited selected Magnite's SpringServe to power advertising solution for inflight personal device entertainment.
- MNC GroupminorMNC Group signed agreement for video advertising with SpotX (now Magnite) to scale video monetisation plans in Indonesia.
- DentsucoreDentsu is among partners testing Magnite's expanded buyer and seller agent capabilities, collaborating on programmatic advertising innovation.
- DIRECTV AdvertisingcoreDIRECTV Advertising is among partners testing Magnite's expanded buyer and seller agent capabilities for programmatic advertising.
- GooglecorePartnership with Google for Open Bidding, enabling direct integration for programmatic advertising access.
Scale indicators11 records
Recent moves5 records
Expansion highlights6 records
SpotX competitors and assessment
Company assessmentDirect peers
- Magnite: SpotX's parent company and effectively the same SSP business post-2021 acquisition. Operates the largest independent sell-side platform with CTV, OLV, display, and audio inventory.
- PubMatic: Independent sell-side platform competing directly with SpotX/Magnite in programmatic video and CTV monetization for premium publishers; closest public pure-play SSP comparable.
- The Trade Desk: Leading demand-side platform (DSP) sitting opposite SpotX in the programmatic auction; competes for the same advertiser budgets and increasingly bundles curation and CTV inventory access.
- Index Exchange: Independent SSP with strong CTV and video header-bidding presence; directly comparable to SpotX on supply-side programmatic for publishers.
- OpenX: Independent SSP competing in video, CTV, and programmatic header bidding for premium publisher inventory, with overlapping buyer relationships.
Broad incumbents
- Google Ad Manager: Google's ad exchange and SSP — the largest walled-garden alternative and SpotX's most powerful competitor and partner simultaneously via Open Bidding.
- Amazon Publisher Services (TAM): Amazon's Transparent Ad Marketplace competes with SpotX in header bidding and CTV supply; integrated with Amazon Ads as both partner and rival.
- FreeWheel (Comcast): Premium video ad management platform for TV publishers, owned by Comcast; competes with SpotX/SpringServe on ad serving and programmatic for broadcasters.
- Hulu / Disney Ad Platforms: Major CTV/streaming ad platforms operated by Disney; compete for the same advertiser budgets as SpotX and increasingly bring programmatic capabilities in-house.
Emerging players
- Criteo: Ad-tech company pivoting toward retail media and CTV; overlaps with SpotX in programmatic video and omnichannel monetization for retailers/streamers.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat6 records
Key risks5 records
Key highlights7 records
Customer concentration
SpotX social profiles
Digital presenceSpotX compliance and trust
Trust signalCompliance4 records
SpotX financial estimates
Financial estimateRevenue estimate
Valuation estimate
SpotX leadership team
Management profileNumber of profiles
Profiles8 records
SpotX funding detail
Funding detailFunding overview
Funding rounds2 records
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
SpotX M&A and investment
M&A and investmentM&A
Investments2 records
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about SpotX
What does SpotX do?
SpotX is a programmatic video advertising platform that enables media owners (publishers and broadcasters) to monetize premium video inventory across desktop, mobile, and connected TV devices, while giving advertisers and agencies programmatic access to that inventory through real-time bidding, header bidding, and supply path optimization. The platform now operates as part of Magnite, combining the legacy SpotX ad serving stack with Magnite's DV+ sellerside platform, SpringServe ad serving, CTV/streaming capabilities, and AI-driven modules including Magnite Orchestration (agentic advertising) and streamr.ai (AI-driven creative and activation for CTV).
Is SpotX a public or private company?
SpotX is a private company. It is classified as corporate owned and is currently acquired.
When was SpotX founded?
SpotX was founded in 2007. It employs 501 to 1,000 people.
Where is SpotX based?
SpotX is headquartered in Broomfield, United States, in the North America region.
How does SpotX make money?
Two revenue lines are on record. Programmatic Advertising Platform Fees are the primary driver. The others are CTV and Video Ad Monetization.
Who are SpotX's main competitors?
Direct peers on record are Magnite, PubMatic, The Trade Desk, Index Exchange and OpenX. Broad incumbents are Google Ad Manager, Amazon Publisher Services (TAM), FreeWheel (Comcast) and Hulu / Disney Ad Platforms. Criteo is listed as an emerging player.
Does SpotX have an API?
Yes. SpotX exposes a public API. Developer documentation is at developer.spotxchange.com.
What industry is SpotX in?
SpotX's product category is Programmatic Advertising Technology. Its primary akta.pro industry code is BPAHAEAC, Customer Experience (CX) & Digital Experience. Its NAICS code is 516210 and its SIC code is 7310.