# One Tap BUY funding: rounds and investors

> One Tap BUY has raised $81M across 2 rounds since 2017. Investors include Mizuho Capital, SoftBank and SoftBank BB Corp. Every round with its source.

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

Japan · [Venture startup](https://millionrounds.com/companies)

# Who invested in *One Tap BUY*

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

Consumer Apps Fintech

Funding summary Updated 26 Oct 2026

**$81M** raised across 2 rounds since 2017, from 2 sources

**$13M** Round **$67M** Venture

- **Latest round:** Venture, $67M Oct 2020
- **Step-up i:** 5.1×
- **Investors:** 4

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2017 2018 2019 2020

**$13M** Round

**$67M** Venture

- **First round:** Round, $13M
- **Biggest round:** $67M
- **Between rounds:** 3.6 years

## The rounds

- **Oct 2020** Venture **$67M** *1 new* *1 returning* [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) [SoftBank](https://millionrounds.com/fund/softbank-2) Source recorded
- **Feb 2017** Round **$13M** *3 new* [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) [SoftBank BB Corp](https://millionrounds.com/fund/softbank) [Mobile Internet Capital](https://millionrounds.com/fund/mobile-internet-capital-inc) Reported by DealStreetAsia

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Round** 2017 **Venture** 2020 [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) [SoftBank](https://millionrounds.com/fund/softbank-2) [SoftBank BB Corp](https://millionrounds.com/fund/softbank) [Mobile Internet Capital](https://millionrounds.com/fund/mobile-internet-capital-inc)

## Everyone who backed them

[Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) VC firm **2** rounds

[SoftBank](https://millionrounds.com/fund/softbank-2) Investment firm **1** round

[SoftBank BB Corp](https://millionrounds.com/fund/softbank) Company **1** round

[Mobile Internet Capital](https://millionrounds.com/fund/mobile-internet-capital-inc) VC firm **1** round

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

## Quick answers about One Tap BUY

### Who invested in One Tap BUY?

One Tap BUY's investors include Mizuho Capital, SoftBank, SoftBank BB Corp and Mobile Internet Capital.

### How much has One Tap BUY raised?

One Tap BUY has raised $81M across 2 rounds since 2017.

### When did One Tap BUY last raise?

One Tap BUY's most recent round was a Venture of $67M in Oct 2020.

### What was One Tap BUY's biggest round?

Its most recent round, $67M in Oct 2020, is also its largest on record.

### Who backed One Tap BUY first?

One Tap BUY's first round on record, in Feb 2017, was backed by Mizuho Capital, SoftBank BB Corp and Mobile Internet Capital.

### What stage is One Tap BUY at?

One Tap BUY's latest named round is a Venture, in Oct 2020.

### Where is One Tap BUY based?

One Tap BUY is based in Japan.

## Companies like One Tap BUY

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

[**Live Search** $634K · Sept 2026](https://millionrounds.com/company/live-search)[**Aldagram** $13M · Sept 2026](https://millionrounds.com/company/aldagram)[**WED** Sept 2026](https://millionrounds.com/company/wed)[**InnoJin** $3.3M · Jul 2026](https://millionrounds.com/company/innojin)[**eMind** $2.2M · Jun 2026](https://millionrounds.com/company/emind)[**HARTi** Jun 2026](https://millionrounds.com/company/harti)

## Find investors like these

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