# Letterdrop funding: rounds and investors

> Letterdrop has raised $700K across 1 round since 2022. Investors include Y Combinator. Every round with its source.

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

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

# Who invested in *Letterdrop*

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.

Martech

Y Combinator: W20

Funding summary Updated 26 Oct 2026

**$700K** raised across 1 round since 2022, from 1 source

- **Latest round:** Seed, $700K Jan 2022
- **Investors:** 1

See who backed them

## The rounds

- **Jan 2022** Seed **$700K** [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=letterdrop).

## Quick answers about Letterdrop

### Who invested in Letterdrop?

Letterdrop's investors include Y Combinator.

### How much has Letterdrop raised?

Letterdrop has raised $700K across 1 round since 2022.

### When did Letterdrop last raise?

Letterdrop's most recent round was a Seed of $700K in Jan 2022.

### What was Letterdrop's biggest round?

Its most recent round, $700K in Jan 2022, is also its largest on record.

### Who backed Letterdrop first?

Letterdrop's first round on record, in Jan 2022, was backed by Y Combinator.

### What stage is Letterdrop at?

Letterdrop's latest named round is a Seed, in Jan 2022.

### Where is Letterdrop based?

Letterdrop is based in the United States.

## Companies like Letterdrop

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

[**Gradient** $24M · Oct 2026](https://millionrounds.com/company/gradient)[**Different** $48M · Oct 2026](https://millionrounds.com/company/different)[**OuterSignal** $22M · Sept 2026](https://millionrounds.com/company/outersignal)[**Pipedrive** $90M · Sept 2026](https://millionrounds.com/company/pipedrive)[**Clay** $263M · Sept 2026](https://millionrounds.com/company/clay)[**Blee** $21M · Sept 2026](https://millionrounds.com/company/blee)

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