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AdFlight

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Business-to-business e-commerce environment

Belmont, United StatesFounded 1999Marketing
Valuation $100–250M Last recorded · 2000
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for AdFlight and the history behind them.

About AdFlight

Established in 2022 and based in Washington, D.C., AdFlight operates as a B2B ad server platform. The company provides a suite of ad-serving APIs designed for developers and publishers to construct their own custom ad servers. This approach allows clients to manage and integrate advertising capabilities directly into their products with a high degree of control.

AdFlight's business model is subscription-based, offering several tiers of service that scale with the volume of ad requests, from millions to over a billion per month. The platform makes money by charging monthly fees for access to its API and infrastructure. Its target clients range from small publishers and individual developers to midsize businesses and enterprises looking to implement tailored advertising solutions without building the core technology from the ground up. The service is designed for those who need to serve native ads, sponsored listings, promoted content, or even internal promotions within their own digital environments.

The core of the product is a collection of APIs, including a Decision API, Management API, and Reports API. These tools enable functionalities such as campaign management, budget pacing, event tracking, and detailed reporting. A key feature is that the platform delivers ads as a JSON response, giving developers full control over the ad unit's final appearance and integration, without data leakage or unwanted cookies. AdFlight supports various ad formats, primarily focusing on native ads, sponsored content, and promoted listings, but it can also handle standard display ads. The platform boasts a global infrastructure with data centers across three continents to ensure low latency, with API response times under 100ms.

Source: Dealroom company data

At a glance

Status
Closed
Founded
1999
Headquarters
Belmont, United States
Open positions
None listed
Dealroom signal
0.0/100
Industry
Marketing
Sub-industry
Ecommerce Solutions
Sector
Marketing, Adtech, Advertising
Client focus
b2b
Links
Website

Funding history

2 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES B✓Equity / VC Sep 2000 $20M $80M Sienna Holdings · Sierra Ventures · Worldview Technology Partners —
SERIES A✓Equity / VC Mar 2000 $8.3M $33M Sierra Ventures · Sienna Holdings —
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Growth signals

AdFlight website traffic

Latest recorded traffic for AdFlight is 0 monthly website visits.

Latest monthly visits0
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Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

3 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A3 investors entered at this stage

Founders Hidden — book a demo/100 quality score
Key operators Hidden — book a demo quality score
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
🇺🇸 United States · Belmont HQ
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Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about AdFlight on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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