Founded 2011 | HQ: San Francisco | Funding: $162 million | Valuation: $1 billion+

MM Verified

Sift was founded in 2011 by Jason Tan, a former early engineer at Zillow, who saw an opportunity to apply machine learning to digital fraud at a time when most platforms still relied on static rules. The company emerged from Y Combinator and has since grown into a full-stack digital trust platform.

The platform serves more than 700 global brands across e-commerce, fintech, digital goods, and marketplace verticals. Named customers include DoorDash, Poshmark, Wayfair, Yelp, Airbnb, and Twilio. Sift's global data network spans 34,000+ sites and apps, recognising over one billion unique digital personas and processing approximately 70 billion events per month.

In Fall 2025, Sift introduced ActivityIQ, a generative AI tool for detecting account takeover patterns, alongside pre-built workflow templates and historical chargeback import capabilities. The company maintained its number one ranking across all fraud-related categories in G2 Grid Reports for the second consecutive quarter.

Global data network at unmatched scale. One trillion events per year across 34,000+ sites creates a risk intelligence layer that individual merchants cannot replicate. When Sift sees a fraudulent device or behaviour pattern on one platform, that signal immediately protects every other customer on the network.

Full-stack coverage beyond fraud. Most competitors focus narrowly on payment fraud or identity. Sift covers fraud prevention, account takeover defence, content integrity, and risk-based authentication in a single platform. This reduces vendor sprawl for digital businesses managing multiple abuse vectors.

Generative AI tooling shipping in production. ActivityIQ uses generative AI to surface account takeover patterns directly in the console, saving investigation teams hundreds of hours. Pre-built workflow templates accelerate deployment for specific industry verticals.

Market-validated trust. Sift holds the number one position across every fraud-related category in G2 Grid Reports, including Fraud Detection, E-Commerce Fraud Protection, and Risk-Based Authentication. Two consecutive quarters at the top across all categories is a strong signal of customer satisfaction.

Pricing remains opaque. Enterprise pricing reportedly ranges from $200,000 to $1.9 million annually according to Vendr, with no self-serve option or published tiers. Mid-market companies evaluating Sift will need to engage sales before understanding whether the platform fits their budget.

Certification gaps relative to peers. Sift holds SOC 2 Type II and GDPR compliance, but does not publicly claim ISO 27001 or PCI-DSS certification. Competitors like Sardine and Alloy carry fuller certification portfolios, which matters for regulated financial institutions conducting vendor due diligence.

Less specialised in fintech and banking. Sift's strength is digital commerce and marketplaces. Organisations looking for deep fintech-specific capabilities, such as ACH fraud prevention, BSA/AML monitoring, or behavioural biometrics at the session level, may find more specialised tools like Sardine or Unit21 better suited to their needs.

Pricing is not publicly disclosed. Sift operates as an enterprise SaaS platform with custom pricing based on transaction volume, modules required, and integration complexity. A free trial is available for evaluation. Deployment is via REST APIs, a JavaScript snippet for client-side detection, and native mobile SDKs for iOS and Android. The platform integrates with major processors including Stripe, Adyen, and PayPal.

Sift holds SOC 2 Type II certification, renewed in April 2025 following a year of security enhancements. The platform is GDPR compliant with third-party penetration testing conducted on an ongoing basis. All customer data is encrypted at rest and in transit. ISO 27001 and PCI-DSS certifications are not publicly documented.

Overall: 4/5

Sift is the right choice for digital commerce businesses, marketplaces, and platform operators that need full-stack fraud protection across payments, accounts, and content. The global data network is a genuine competitive moat, and the Fall 2025 AI tooling shows a company investing in the right areas. Organisations in regulated financial services that require deep fintech-specific compliance workflows or published pricing should also evaluate Sardine, Alloy, or Unit21. Sift's trajectory points toward becoming the default trust layer for the digital economy, and its AI investments suggest the platform will only get sharper.

Try Sift: sift.com

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