Diameter Pay
Diameter Pay provides APIs and compliance automation for banks and financial institutions offering U.S. dollar payment services.
$10MSeries A
ParticipantTC
Tech Council Ventures
Activity from announced rounds
Activity in this selectionOct 16, 2026 · Jul 19, 2026
Tech Council Ventures is the investment firm named by PolyGone and Diameter Pay.
Recorded funding activity
PolyGone develops microplastic filtration. Diameter supplies dollar-payment APIs and compliance automation. Their records retain distinct products and preserve unknown roles rather than inferring lead participation.
- Rounds participated in
- 1
- Confirmed lead rounds
- 0 All roles disclosed
- New companies
- 1 First participation on record · 0 follow-on
- Funding in participating rounds
- $10M 1 disclosed · full round size, not this investor’s share