Observed Signal · Jul 11, 2026 · Investigation · Source: techcrunch · Impact: 3/5 · Sentiment: Negative
Phia Accused of 'Cookie Stuffing' in Affiliate Program
Phia, a shopping browser extension cofounded by Phoebe Gates and Sophia Kianni and launched in 2025, has been accused by independent researchers and media — including Bloomberg (July 9, 2026), Ben Edelman and Capital One Shopping — of 'cookie‑stuffing' and affiliate fraud: opening background tabs, generating fake clicks and inserting its affiliate codes at checkout, which can override publishers' links and claim commissions for sales it did not drive. Affiliate platform Impact.com suspended Phia and Awin is reviewing the allegations. Phia, which has raised $43.5 million and is reportedly valued at $185 million, says it identified, mitigated and resolved the issue, stopped the contested behavior and logged URLs only in aggregate. The reporting has reignited broader legal controversy over similar practices in the ad tech and marketing industry.
Allegations of attribution manipulation affect trust and payouts across affiliate and partner marketing channels; suspension by a major affiliate platform (Impact.com) and parallels to prior Honey litigation increase reputational and legal risk for partners and retailers.
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Key Takeaways & Evidence Grounding
- Phia is a shopping browser extension cofounded by Phoebe Gates and Sophia Kianni, launched in 2025.
- Bloomberg (July 9, 2026), Ben Edelman and others allege Phia used 'cookie‑stuffing'—opening background tabs, generating fake clicks and inserting affiliate codes to claim commissions not driven by users.
- Affiliate platform Impact.com suspended Phia; Awin is reviewing the allegations.
- Phia says it identified, mitigated and resolved the issue, stopped the contested behavior and logged URLs only in aggregate.
- The company has raised $43.5 million and is reportedly valued at $185 million; the case is linked to wider legal controversy over affiliate fraud.
Connected Companies & Entities
5 Entities mapped“Phia ... has been accused of a practice known as “cookie stuffing,” which may have helped the product receive commissions and credit for sal...”
“The report has sparked controversy and led to Phia’s suspension from Impact.com, a leading affiliate and influencer platform....”
“Other startups have been sued over “cookie stuffing,” notably Honey, which is owned by PayPal and remains the subject of an ongoing class ac...”
“TechCrunch reached out to Phia for comment and has not received a response....”
“The startup developed an app as a browser extension that works somewhat like Google Flights, but for shopping....”
Ontology Mapping & Concepts
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Phia Founders Knew of Cookie Stuffing, Bloomberg Reports
TechCrunch reports new Bloomberg reporting that Phia — the shopping startup co-founded by Phoebe Gates and Sophia Kianni — engaged in 'cookie stuffing' (taking affiliate credit for purchases it did not drive). Bloomberg's reporting, based on leaked Slack messages and sources, says the co-founders were aware of the practice as far back as December. Phia says it removed the offending features on July 7, is reviewing transactions, issuing reversals to brand partners, and hiring a head of compliance. Bloomberg and other outlets also found cookie stuffing composed a sizable portion of Phia's sales and that affected retailers include Nike and Nordstrom. Earlier reporting flagged staff losses and data-collection concerns at Phia.
Phia Allegedly Used Forced Clicks to Steal Commissions
An Adweek article reports allegations that Phia’s iOS Safari extension generated affiliate transactions without legitimate referrals, potentially creating commissions that should not have existed. Testing cited in the article (by Capital One Shopping and Edelman) found the extension allegedly opens background tabs and fires affiliate-tracking links without explicit user action. Bloomberg reported Phia may have taken more than $10 million from merchants; TBPN estimated about $12 million. The piece compares the alleged behavior to historical forced-click affiliate schemes tied to eBay affiliates Shawn Hogan and Brian Dunning, which resulted in wire-fraud charges. Phia has not been criminally charged; the article warns the conduct—if true—directly harms merchants and undermines trust in affiliate and commerce ecosystems.
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