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Prelude

prelude.so · Communications APIs · Customer & Communications

Company facts

Trusted networks on Proven1 investor, bank and government networks offer Prelude to their members
Member offers on Proven1
Member redemption clicks8

Company facts from Apollo.io company data. Network, offer and redemption data from the Proven platform. A Proven Score is published once publicly named clients are verified with sources.

Discounts for Proven network members

Prelude: Verify your users with SMS OTP

Members redeem through their investor or bank's Proven marketplace. Terms vary by network.

Competitors in Communications APIs

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QuoScore in progress
LinqScore in progress
MuxScore in progress
MSG91Score in progress
SendbirdScore in progress
PhonovationScore in progress
SoundBite CommunicationsScore in progress
ResendScore in progress
PreludeScore in progress
SendGridScore in progress

Source: Proven platform data, public records and vendor websites. Vendors cannot pay to change a score. Methodology. Updated 2026-10-21.