# OpenRelay funding: rounds and investors

> OpenRelay has raised $9.0M across 1 round since 2026. Investors include Y Combinator. Every round with its source.

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

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

# Who invested in *OpenRelay*

One round we have observed, with the one investor 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

**$9.0M** raised across 1 round since 2026, from 1 source

- **Latest round:** Seed, $9.0M Sept 2026
- **Investors:** 1

See who backed them

## The rounds

- **Sept 2026** Seed **$9.0M** [Y Combinator](https://millionrounds.com/fund/y-combinator) Source recorded

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

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

## Quick answers about OpenRelay

### Who invested in OpenRelay?

OpenRelay's investors include Y Combinator.

### How much has OpenRelay raised?

OpenRelay has raised $9.0M across 1 round since 2026.

### When did OpenRelay last raise?

OpenRelay's most recent round was a Seed of $9.0M in Sept 2026.

### What was OpenRelay's biggest round?

Its most recent round, $9.0M in Sept 2026, is also its largest on record.

### Who backed OpenRelay first?

OpenRelay's first round on record, in Sept 2026, was backed by Y Combinator.

### What stage is OpenRelay at?

OpenRelay's latest named round is a Seed, in Sept 2026.

### Where is OpenRelay based?

OpenRelay is based in the United States.

## Companies like OpenRelay

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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