A competitor to Twilio, Vonage and Plivo, the French startup Prelude, which has 75 retail clients, is actively deploying Prelude Zero, an authentication method that requires no message delivery. Operational in France since September 2025, it is now available in the USA, Canada, Brazil, the Netherlands, Spain and Germany.
Specializing in two-factor authentication (2FA) for users signing up or logging into e-commerce applications, Prelude (55 employees, confidential revenue) is rolling out a new user verification layer. This feature, named “Prelude Zero,” allows for instant phone number validation without sending the user any verification code.
To date, it has been deployed by 20 clients. At the private sales pure-player Choose (250,000 daily users), the solution saves an average of 4 seconds per authentication, r
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Article authors
Morgane Monteiro
Journalist
Journaliste économique pour mind Retail depuis 2024, j’analyse la transformation digitale du commerce.