Diameter Pay

Diameter Pay announced $10M in Series A financing on September 3, 2026. Diameter Pay raised a $10 million Series A co-led by CMT Digital and Lightspeed Faction to expand its U.S. dollar payments and virtual accounts platform for banks and fintechs.

Round details

The financing includes backing from CMT Digital, Lightspeed Faction, SixThirty Ventures, Stellar Development Foundation, Tech Council Ventures, Onigiri Capital, BitRock Capital. The company did not publish a valuation with the announcement.

• Round: Series A
• Capital announced: $10M

How the company plans to use the capital

Diameter Pay said it will use the capital to expand its banking and payment capabilities, deepen its stablecoin and FX infrastructure, and continue investing in the technology and compliance capabilities needed to move dollars across borders safely.

Why this matters for GTM teams

The Diameter Pay platform gives banks, fintechs and digital asset exchanges access to U.S. dollar accounts and payment rails through a single API, and the company said in its announcement that correspondent banks have pulled back from entire markets amid rising sanctions and anti-money laundering risk.

Fresh capital is often an operational signal rather than a buying signal by itself. Teams should validate the company’s hiring pattern, product launches, geographic expansion, and technology priorities before choosing the message and timing of outreach.

Source and methodology

This report is based on the company’s announcement and records the disclosed amount, round, investors, location, and stated use of funds. SalesTools Research does not estimate undisclosed valuation or revenue figures.

Primary source: Diameter Pay Series A announcement.