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Diameter Pay

New York, United States

series-a$10M raisedFreshly fundedFintechPaymentsCrypto & Web3

Total Raised

$10M

Stage

series-a

Location

New York, United States

Founded

2023

Team size

1-10

Links

About Diameter Pay

Stablecoin payments infrastructure startup Diameter Pay provides banks, fintech companies, and digital asset exchanges with USD virtual accounts, domestic and cross-border payments, stablecoin deposits/withdrawals, and compliance services.

What sets it apart

Diameter combines traditional USD payment rails with stablecoin settlement and compliance automation in a single embedded infrastructure layer for financial institutions.

Sectors

FintechPaymentsCrypto & Web3Regtechpayments infrastructurestablecoinscross-border payments

Business

Modeltransactional

CustomerBanks, fintech companies, payment providers, and digital asset exchanges needing USD accounts, payments, stablecoin rails, and compliance tooling

Notable

  • Rebranded from SendFriend to Diameter Pay in 2023
  • Reported processing over $60 million in payments in 2023
  • Raised funding, including a Series A reported in 2026
  • Partnered with Flagright for transaction monitoring and AML compliance

Funding rounds

3 Sept 2026

Led by CMT Digital, Lightspeed Faction

With SixThirty Ventures, Stellar Development Foundation, Tech Council Ventures, Onigiri Capital, BitRock Capital

Source ↗

Explore the market

FAQ

What does Diameter Pay do?

Stablecoin payments infrastructure startup Diameter Pay provides banks, fintech companies, and digital asset exchanges with USD virtual accounts, domestic and cross-border payments, stablecoin deposits/withdrawals, and compliance services.

Where is Diameter Pay based?

Diameter Pay is based in New York, United States, founded in 2023.

How much has Diameter Pay raised?

Diameter Pay has raised $10M in tracked funding and is currently at the series-a stage.

Who has invested in Diameter Pay?

Investors in Diameter Pay include EU, Barclays and Ripple.