# Sendbox funding: rounds and investors

> Sendbox has raised $1.8M across 1 round since 2021. Investors include Y Combinator and FJ Labs. Every round with its source.

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

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

# Who invested in *Sendbox*

One round we have observed, with the 2 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.

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E-commerce

Y Combinator: W21

Funding summary Updated 27 Oct 2026

**$1.8M** raised across 1 round since 2021, from 1 source

- **Latest round:** Seed, $1.8M Oct 2021
- **Investors:** 2

See who backed them

## The rounds

- **Oct 2021** Seed **$1.8M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [FJ Labs](https://millionrounds.com/fund/fj-labs) Source recorded

## Everyone who backed them

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

[FJ Labs](https://millionrounds.com/fund/fj-labs) VC firm **1** round

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

## Also claim to have backed them

These 5 firms list Sendbox as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Enza Capital](https://millionrounds.com/fund/enza-capital) VC firm Per its own site

[4DX Ventures](https://millionrounds.com/fund/4dx-ventures) VC firm Per its own site

[Microtraction](https://millionrounds.com/fund/microtraction) VC firm Per its own site

[Flucas Ventures](https://millionrounds.com/fund/flucas-ventures) Angel network Per its own site

[Realm Capital Ventures](https://millionrounds.com/fund/realm-capital-ventures) VC firm Per its own site

## Quick answers about Sendbox

### Who invested in Sendbox?

Sendbox's investors include Y Combinator and FJ Labs.

### How much has Sendbox raised?

Sendbox has raised $1.8M across 1 round since 2021.

### When did Sendbox last raise?

Sendbox's most recent round was a Seed of $1.8M in Oct 2021.

### What was Sendbox's biggest round?

Its most recent round, $1.8M in Oct 2021, is also its largest on record.

### Who backed Sendbox first?

Sendbox's first round on record, in Oct 2021, was backed by Y Combinator and FJ Labs.

### What stage is Sendbox at?

Sendbox's latest named round is a Seed, in Oct 2021.

## Companies like Sendbox

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

[**Tru** $7.8M · Sept 2026](https://millionrounds.com/company/tru)[**Neato** $25M · May 2026](https://millionrounds.com/company/neato)[**Flora Lounge** Jan 2026](https://millionrounds.com/company/flora-lounge)[**Secret Alchemist** $2.5M · Jan 2026](https://millionrounds.com/company/secret-alchemist)[**RXC** $4.8M · Jan 2026](https://millionrounds.com/company/rxc)[**Lorazzo** $546K · Jan 2026](https://millionrounds.com/company/lorazzo)

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