# Signifyd

> Signifyd is a San Jose-based commerce protection platform that uses AI and a giant pool of shopper data to guarantee online retailers against fraud, chargebacks and abuse. If a transaction Signifyd approves turns out to be fraudulent, Signifyd pays the bill.

- **Founded:** 2011
- **Headquarters:** San Jose, California, United States
- **Founders:** Rajesh Ramanand (Co-Founder & CEO), Michael Liberty (Co-Founder & Chief Product Officer)
- **Team size:** ~450
- **Products:** Revenue Protection, Abuse Prevention, Account Protection, Payment Optimization, Commerce Network
- **Notable:** Reached unicorn status with $1.34B valuation in April 2021, Named a Leader in Forrester Wave for Enterprise Fraud Management, Multiple Inc. 5000 appearances

## Products & services

- **Revenue Protection** — Guaranteed fraud protection - Signifyd shoulders the chargeback risk on transactions it approves.
- **Abuse Prevention** — Detects and prevents return, promotion and policy abuse from bad-faith buyers.
- **Account Protection** — Stops account takeovers and credential-stuffing attacks at login and checkout.
- **Payment Optimization** — Boosts authorization rates and handles PSD2/SCA exemption management in Europe.
- **Commerce Network** — A shared identity graph spanning billions of historical orders, used to make real-time decisions.

## Achievements

- Reached unicorn status with $1.34B valuation in April 2021
- Named a Leader in Forrester Wave for Enterprise Fraud Management
- Multiple Inc. 5000 appearances
- Recognized on Forbes Cloud 100

## Latest updates

- **2025-01** — Rolled out new AI-driven decisioning enhancements across the Commerce Protection platform.
- **2024-06** — Expanded Payment Optimization with dynamic SCA exemption management for European merchants.
- **2021-04** — Closed $205M Series E at a $1.34B valuation.

## Links

- Website: https://signifyd.com
- LinkedIn: https://www.linkedin.com/company/signifyd
- Twitter/X: https://twitter.com/signifyd
- GitHub: https://github.com/signifyd
- YouTube: https://www.youtube.com/channel/UCiOKSNNLDoMc3yBghEKvoJw
- Instagram: https://www.instagram.com/signifyd/
- Facebook: https://www.facebook.com/signifyd

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Profile page: https://yespress.io/signifyd
Published by YesPress — https://yespress.io
Last updated: 2026-05-23