Diameter Pay builds compliance-first infrastructure for global U.S. dollar payments, giving banks, fintechs, and digital asset exchanges access to dollar accounts and payment rails through a single API. The platform spans U.S. virtual accounts, domestic and international payments, stablecoin on- and off-ramps, and embedded compliance controls across multiple U.S. banking partners, and has processed more than $10 billion year-to-date in 2026. Founded in 2017 at MIT as SendFriend and rebranded to Diameter Pay in April 2023, the company is headquartered in Jersey City, New Jersey, and focuses on cross-border corridors where access to the U.S. dollar is hardest.
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Sep 3, 2026
Latest raise
Funding activity · 1 round
Sep 3, 2026
$10M
Series A
Led by CMT Digital
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