Fundraising Fox

Buf Technologies

Buffalo, US · Founded 2020 · Delaware corporation · 6 known investors

Buf Technologies builds Protobuf-based, schema-driven developer tooling for APIs, including the open-source Buf CLI and Buf Schema Registry.

Also known as Buf · Buf Technologies Inc.

Founders & leadership

Buf Technologies was founded in 2020 by Peter Edge.

PE
Peter EdgeFounder

Investors · 6

Reported raises · per SEC filings

Form D private placements

$93.5M disclosed across 3 of 4 rounds · 2020–2021

$68MraisedDec 2021 · 9 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Peter EdgeExecutive Officer, Director
Offering amount
$68M
Amount sold
$68M
First sale
Nov 2021
Incorporated
Corporation, Delaware, 2020
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$20.7MraisedApr 2021 · 3 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Peter EdgeExecutive Officer, Director
Offering amount
$20.7M
Amount sold
$20.7M
First sale
Apr 2021
Incorporated
Corporation, Delaware, 2020
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$4.8MraisedSep 2020 · 13 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Peter EdgeExecutive Officer, Director
Offering amount
$4.8M
Amount sold
$4.8M
First sale
Sep 2020
Incorporated
Corporation, Delaware, 2020
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Company profile

researched Aug 2026

Buf Technologies Inc. develops software tooling for API development based on protocol buffers (Protobuf), the schema and serialization technology originally developed as open source by Google. The company's stated aim is to make it easier for machines and software programs to communicate by replacing the labour-intensive work engineering teams do when adapting open-source Protobuf tooling for their own use. Founder Peter Edge described this maintenance work as having consumed roughly 20 per cent of his engineering time in a prior role, and framed the product as a way to return engineering time to companies.

The company's approach is "schema driven" development, which its head of business development, Ahron Seeman, compared to Lego bricks: defined interfaces between components allow parts of a system to be built independently because their connection points are known in advance. Buf's position is that large technology companies such as Google and Facebook have long worked this way internally, while most other organizations rely on less advanced open-source tooling.

As of December 2021, Buf had 18 employees and no revenue. It was founded and built in Toronto by Edge, an American software engineer who previously worked at Uber Technologies in that city; Buffalo, New York — Edge's hometown and the source of the company name, alongside the Protobuf reference — is described in reporting as technically the company's headquarters. Edge studied computer science and mathematics at Carnegie Mellon University and recruited at least six former Uber colleagues; other employees previously worked at Stripe, GitHub, Cisco and Autodesk.

Founding story

Peter Edge, an American software engineer, founded Buf in Toronto after leaving a job at Uber Technologies in that city, having experienced firsthand the effort required to make open-source Protobuf tooling usable for engineering teams. He named the company both after his hometown of Buffalo — which is technically the company's headquarters — and after protocol buffers, the area of software development the company addresses. An investor, Garage Capital managing partner Mike McCauley, said the team could have built the company anywhere but chose Toronto as the best place to attract global talent.

Business model

Buf follows an open-source developer tooling model: it distributes the Buf CLI free of charge to build a user base, and monetizes through a paid product, the Buf Schema Registry. Reporting compares the strategy to that used by Grafana Labs, Confluent, Elastic and HashiCorp, where free tooling is complemented by paid versions offering additional support and features.

Paid commercial product (Buf Schema Registry) layered on top of freely distributed open-source tooling. As of December 2021 the company had generated no revenue, with several early customers in testing; management said it expected first revenue soon but that meaningful revenue was not a primary 2022 target.

Traction

As of December 2021: 18 employees, no revenue, more than one million downloads of the Buf CLI, and several unnamed large enterprise customers testing the Buf Schema Registry. The company planned to grow to about 100 employees in 2022.

Latest developments

In December 2021 Buf disclosed US$93.4-million raised across four financings, including a US$68-million round co-led by Lux Capital and Tiger Global in November 2021. Development priorities were the paid Buf Schema Registry, accelerating engineering and expanding the user base, with hiring targeted at roughly 100 people during 2022.

Full profile — market position, technology, go-to-market, geography, history, risks & controversies

Market position

Buf positions itself as making Protobuf-based, schema-driven development accessible to organizations outside the largest technology companies, which have already adopted such approaches internally. Lightspeed partner Guru Chahal described the addressable pain — teams adapting open-source projects for internal use — as widespread across software teams.

Investors cited the founding team's direct experience with the problem at well-regarded engineering organizations, and the observation that no one had previously packaged Protobuf-based tooling for general use. The company describes its staff as world experts in the domain.

Technology

The company's tooling is built on protocol buffers (Protobuf), an open-source schema technology first developed by Google, and supports schema-driven API development. Products cited are the Buf CLI, an open-source command-line tool, and the Buf Schema Registry, the commercial offering.

Go-to-market

Bottom-up adoption through free open-source tooling: the Buf CLI reached more than one million downloads, providing a developer user base from which the company sought conversion to the paid Buf Schema Registry, initially via early-access testing with large enterprises.

Software engineering teams and enterprises building APIs. Early testers of the Buf Schema Registry were described by the company as major enterprises, public companies and household names, though their identities were not disclosed.

Geography

Founded and built in Toronto, Canada, where the team is based; Buffalo, New York is described as technically the company's headquarters. Investors are primarily U.S.-based, with one Canadian firm (Garage Capital, Waterloo, Ontario).

History

The company was founded roughly 22 months before December 2021 reporting. It raised a US$3.7-million seed round led by Lightspeed Venture Partners in September 2020 and released the free, open-source Buf CLI the same year. In November 2021 it closed a US$68-million financing co-led by Lux Capital and Tiger Global, bringing total disclosed funding across four financings to US$93.4-million as announced in early December 2021. By late 2021 the focus had shifted to the paid Buf Schema Registry and to scaling the team toward roughly 100 people in 2022.

Risks & controversies

As of December 2021 the company had raised over US$93-million while operating with 18 employees and no revenue, and stated that meaningful revenue was not a primary 2022 objective, leaving monetization of its open-source user base unproven.

Compiled by commissioned research from 3 cited public sources — announcements, filings, and press listed under research sources below.

Key figures

latest reported
Buf cli downloadsDec 20211,000,000 downloads
EmployeesDec 202118 people
Planned headcount 2022Dec 2021100 people
Total disclosed fundingDec 2021$93.4M

Company-reported or press-reported figures, each dated to when it was claimed — not independently audited.

Timeline · 5

launches, deals, and filings
Dec 2021
Buf discloses US$93.4-million raised across four financings

The company said it had raised US$93.4-million in four separate financings since its founding roughly 22 months earlier, including a US$68-million round co-led by Lux Capital and Tiger Global the prior month.

$93.4M source ↗

Nov 2021
US$68-million financing co-led by Lux Capital and Tiger Global

$68M source ↗

Jan 2021
Buf Schema Registry in early customer testing

The company focused development on its paid product, the Buf Schema Registry, which several unnamed early enterprise customers were testing as of December 2021.

source ↗

Sep 2020
US$3.7-million seed round led by Lightspeed Venture Partners

$3.7M source ↗

Jan 2020
Release of Buf CLI, a free open-source tool

Buf released a free open-source program called Buf CLI, which the company says surpassed one million downloads.

source ↗

Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.

Legal entities · 1

corporate structure
Buf TechnologiesDelaware

In the news

Research sources · 3

primary sources listed

3 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does Buf Technologies do?
Buf Technologies builds Protobuf-based, schema-driven developer tooling for APIs, including the open-source Buf CLI and Buf Schema Registry.
Who founded Buf Technologies?
Buf Technologies was founded by Peter Edge in 2020.
Who are Buf Technologies's investors?
Buf Technologies's investors include Addition, Greenoaks, Haystack, Lightspeed Venture Partners, Lux Capital, Tiger Global Management.
How much funding has Buf Technologies raised?
Buf Technologies has disclosed $93.5M raised across 3 of its 4 known rounds.
Where is Buf Technologies headquartered?
Buf Technologies is headquartered in Buffalo, US.