# Diameter Pay

> Compliance-first U.S. dollar rails, virtual accounts, and stablecoin on/off-ramps for banks and fintechs.

## Why it is interesting

Bootstrapped until a $10M Series A (CMT Digital + Lightspeed Faction, announced Sep 3, 2026) while claiming >$10B YTD payment volume and 10,000+ end users — institutional dollar access + stablecoin settlement in one API.

## Profile

- **Latest funding:** Series A — $10M (September 2026)
- **Latest known valuation:** Not publicly disclosed
- **Total disclosed equity funding:** $10M
- **Stage:** series-a
- **Status:** private
- **Industries:** fintech, crypto-web3
- **Coverage:** full
- **Last updated:** 2026-09-06
- **Latest funding investors:** CMT Digital, Lightspeed Faction, SixThirty Ventures, Stellar Development Foundation, Tech Council Ventures, Onigiri Capital, BitRock Capital

## Key facts

- $10M Series A co-led by CMT Digital and Lightspeed Faction (Sep 3, 2026) — first outside round; closed July, announced Sept
- Company: >$10B payment volume YTD 2026; >10,000 live end users (The Block)
- Board: CMT Digital seat; Lightspeed Faction and SixThirty observers; Robert Pozen senior advisor

## Funding history

- Series A · $10M · September 2026
  Source: https://www.prnewswire.com/news-releases/diameter-pay-raises-10-million-to-expand-global-access-to-the-us-dollar-302869225.html

## Related articles

- https://venturecapitaltracker.com/2026-diameter-pay-10m-series-a-stablecoin-dollar-rails
- https://venturecapitaltracker.com/2026-september-5-6-investment-news-data-fintech-defense

**By:** [Venture Capital Tracker](https://venturecapitaltracker.com/editorial-policy)
**Last updated:** September 6, 2026

**Editorial note:** AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.

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Source: https://venturecapitaltracker.com/startup/diameter-pay