# Diameter Pay funding: rounds and investors

> Diameter Pay has raised $10M across 1 round since 2026. Investors include CMT Digital, SixThirty and Faction. Every round with its source.

Source: https://millionrounds.com/company/diameter-pay (Millionrounds; every figure on the page links to its filing or article)

United States · [Series A startup](https://millionrounds.com/companies)

# Who invested in *Diameter Pay*

One round we have observed, with the 4 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Web3 & Crypto

Raised 2 months ago

Funding summary Updated 26 Oct 2026

**$10M** raised across 1 round since 2026, from 1 source

- **Latest round:** Series A, $10M Sept 2026
- **Investors:** 4

See who backed them

## The rounds

- **Sept 2026** Series A **$10M** [CMT Digital](https://millionrounds.com/fund/cmt-digital) [SixThirty](https://millionrounds.com/fund/sixthirty) [Faction](https://millionrounds.com/fund/faction) [Stellar Development Foundation](https://millionrounds.com/fund/stellar-development-foundation) Source recorded

## Everyone who backed them

[CMT Digital](https://millionrounds.com/fund/cmt-digital) VC firm **1** round

[SixThirty](https://millionrounds.com/fund/sixthirty) Accelerator **1** round

[Faction](https://millionrounds.com/fund/faction) VC firm **1** round

[Stellar Development Foundation](https://millionrounds.com/fund/stellar-development-foundation) Corporate VC **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=diameter-pay).

## Quick answers about Diameter Pay

### Who invested in Diameter Pay?

Diameter Pay's investors include CMT Digital, SixThirty, Faction and Stellar Development Foundation.

### How much has Diameter Pay raised?

Diameter Pay has raised $10M across 1 round since 2026.

### When did Diameter Pay last raise?

Diameter Pay's most recent round was a Series A of $10M in Sept 2026.

### What was Diameter Pay's biggest round?

Its most recent round, $10M in Sept 2026, is also its largest on record.

### Who backed Diameter Pay first?

Diameter Pay's first round on record, in Sept 2026, was backed by CMT Digital, SixThirty and Faction and 1 others.

### What stage is Diameter Pay at?

Diameter Pay's latest named round is a Series A, in Sept 2026.

### Where is Diameter Pay based?

Diameter Pay is based in the United States.

## Companies like Diameter Pay

In the same sector, and raised in the last eighteen months.

[**Kalshi** $2.7B · Oct 2026](https://millionrounds.com/company/kalshi)[**STRIVE** $1.3B · Oct 2026](https://millionrounds.com/company/strive)[**Arda** $233M · Oct 2026](https://millionrounds.com/company/arda)[**Binance.US** $300M · Oct 2026](https://millionrounds.com/company/binance-us)[**Fission** $10M · Oct 2026](https://millionrounds.com/company/fission)[**Ramp** $4.5B · Oct 2026](https://millionrounds.com/company/ramp)

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