Diameter Pay
Diameter Pay is a fintech company in New York, United States, founded in 2023. It has raised $10.0M across 1 round, most recently a $10.0M Series A in September 2026.
Global Payments for Banks and FIs
- Headquarters
- New York, New York
- Employees
- 11–50
- Founded
- 2023
- Business Model
- B2B
- Website
- diameterpay.com
- Total Funding
- $10.0M
- Last Round
- $10.0M Series ASep 2026
- Rounds
- 1
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 1 funding round for this company. The full record is or through the API.
About
Diameter Pay is a financial technology company that was founded at the Massachusetts Institute of Technology to revolutionize global payments using APIs and compliance automation. Its mission is to build a more inclusive global payments system in an uncertain world. Diameter Pay is licensed as a money transmitter with the State of New Jersey's Department of Banking & Insurance, and describes itself as a financial technology company, not a bank.
Summary
It lists 11–50 employees. It has raised $10.0M in total across 1 round, most recently a $10.0M Series A round in Sep 2026.
Tech & App Stack
1 technology or app tracked
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Funding History
Sep 2026
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