Buf

Private

Buffalo, New YorkAI, Data & Cloud Infrastructurehttps://www.buf.build

Last Round

Series B

Dec 8, 2021

Total Funding Raised

$93.4M

Momentum Score

25 /100

Company Overview

Buf is a technology company that offers protocol buffers solutions to streamline data serialization and manage organizational protocols, allowing businesses to maintain compatibility and focus on their core competencies.

Sector

AI, Data & Cloud Infrastructure

Verticals

API Management, DevOps & Containers, Data Governance

Business Model

B2B

Customer Profile

Usage-Based SaaS, Freemium, Subscription SaaS

AI Layer

Non-AI

Keywords

schema registryProtobuf toolsProtobuf schema registryAPI governanceschema-driven developmentbreaking change preventiongRPC toolsAPI lifecycle managementmicroservices toolsConnect RPCBuf CLIRPC frameworkProtovalidatedeveloper toolingusage-based billingon-premise deployment

Historical Pricing

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Caplight Momentum Score

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Buf Comps

Public and private peers based on sector, stage, and business model.

Company	Status	Est. Valuation	Rev Multiple
OpenAI	Private	$86.0B	~40x
Cohere	Private	$5.0B	--
Competitor 1	Public	$XX.XB	XXx
Competitor 2	Public	$XX.XB	XXx

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Buf Funding Rounds

Historical fundraising activity

Round	Date	Amount Raised	Valuation	Investors	Sources
Series B	Dec 8, 2021
Series A	Apr 1, 2021
Seed	Sep 1, 2020
Pre Seed	May 1, 2020

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Buf Investors

Notable investors and investment history

Investor	Rounds
Addition Capital	Series B, Series A
Addition	Series B, Series A
Greenoaks Capital Partners	Series B
Abstraction Capital	Pre Seed, Seed
Haystack	Pre Seed, Seed, Series A, Series B
Lux Capital	Series A, Series B
Garage Capital	Pre Seed, Seed, Series A

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Market signals

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Aug 1, 2025
Building 'Bufstream' for type-safe data streaming.

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Buf Filings

SEC and related filings with document metadata.

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Buf Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersBuffalo, New York

Employee Range47

Year Founded2019

Last FundingDec 8, 2021

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