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Top 50 API Management Tools Companies (October 2026)

As of October 2026, Latka tracks 352 API management tools companies. They have combined revenues of $3B and employ 22.1K people. They have raised $4.5B and serve 80.7M customers combined.

Every company below sells API management tools to other businesses and is ranked by its most recent annual revenue. Revenue, funding, headcount and customer figures come from CEO interviews on the Latka podcast, public company filings, and Latka estimates where a company has not disclosed a number.

Companies
352
Revenue
$3B
Funding
$4.5B
Employees
22.1K

Filters

Sorting: Highest -> Lowest

Filters

Top API Management Tools Companies by revenue

Showing 10 of 352 companies ranked by annual revenue.

1Backbase logo
Backbase

Amsterdam, Netherlands

a banking software designed to empower financial institutions to accelerate their digital transformation

Revenue
$345.5M
Customers
150
Year founded
2003
Funding
$128M
Team size
2.1K
2WSO2 logo
WSO2

Mountain View, California, United States

WSO2 Inc. is an open-source technology provider based in California, United States, with offices around the world. WSO2 offers an API management platform and an enterprise service bus (ESB) that enable businesses to integrate and manage their applications, data, and services. The company's products are built on open-source technology and designed to support the development and deployment of cloud-native applications. WSO2's platform includes features such as API management, identity and access management, analytics, and integration with other software applications.

Revenue
$128.8M
Customers
300
Year founded
2005
Funding
$133.5M
Team size
1.1K
3Solace logo
Solace

Ottawa, Ontario, Canada

Solace Corporation is a technology company based in Ontario, Canada. Solace provides a messaging platform that helps businesses to distribute real-time data and information across their IT infrastructure. Their platform offers features such as event streaming, message routing, and API management, enabling businesses to deliver data in real-time to various applications and devices. Solace's platform is used by companies in various industries such as financial services, telecommunications, and transportation. The company was founded in 2001 and has since become a leading provider of event-driven architectures and messaging solutions.

Revenue
$100.3M
Year founded
2001
Funding
$7M
Team size
629
4Algolia logo
Algolia

San Francisco, California, United States

Algolia is an AI search and retrieval platform that developers and businesses use to add search, product discovery and recommendations to their websites and apps; it says it powers 1.75 trillion searches a year for more than 18,000 businesses. Nicolas Dessaigne and Julien Lemoine founded it in Paris in 2012, and it is headquartered in San Francisco. Dessaigne, then CEO, told Latka in late 2018 that Algolia had crossed $20 million in ARR the year before and expected to pass $40 million by year-end. Its most recent announced round is a $150 million Series D at a $2.25 billion valuation in July 2021. Stephen Lynch has been CEO since April 2026.

Revenue
$100M
Customers
6K
Year founded
2012
Funding
$334.2M
Team size
899
5Kong Inc logo
Kong Inc

San Francisco, California, United States

Cloud-native API Gateway and API Middleware

Revenue
$100M
Customers
130
Year founded
2009
Funding
$344.3M
Team size
879
6Mapbox logo
Mapbox

Washington, District of Columbia, United States

Mapbox is the leading real-time location platform for a new generation of location-aware businesses. Mapbox is the only platform that equips organizations with the full set of tools to power the navigation of people, packages, and vehicles everywhere. More than 3.5 million registered developers have chosen Mapbox because of the platform’s flexibility, security and privacy compliance. Organizations use Mapbox applications, data, SDKs and APIs to create customized and immersive experiences that delight their customers.

Revenue
$93M
Year founded
2011
Funding
$573.6M
Team size
845
7Storyblok logo
Storyblok

Linz, Upper Austria, Austria

headless CMS for developers

Revenue
$80M
Customers
50K
Year founded
2017
Funding
$138M
Team size
252
8Nylas logo
Nylas

San Francisco, California, United States

Nylas provides an API platform that enables developers to quickly and securely access and process user data from any email and calendar.

Revenue
$75M
Customers
450
Year founded
2013
Funding
$145M
Team size
142
9Anon logo
Anon

San Francisco, California, United States

Anon is a developer platform that provides tools and infrastructure for building user-permissioned integrations across the internet. It allows developers to create secure connections between AI agents and user accounts on various websites and services, even those without traditional APIs. Anon handles complex authentication processes, including SSO, OAuth, and 2FA, while maintaining user privacy and security

Revenue
$73.9M
Year founded
2023
Team size
672
10Sensedia logo
Sensedia

Campinas, SP, Brazil

Sensedia supports companies to become more digital, connected and open through a technology platform and expertise in APIs and Microservices. Named as a Leader by The Forrester Wave™ (API Management Solutions Q3 2022), Sensedia is an award winner company, recognized by Global Business Tech Awards as SaaS Company of the Year, and by Paytech Awards - Fintech Futures as Best Real-Time Payments Solution. The company is present in Brazil, USA, Mexico, Colombia and Peru, serving more than 200 customers in 14 sectors in numerous countries around the world, and has been supporting companies with technical solutions since 2007. Whether aiming to integrate channels, enable partner ecosystems or create modern multi-cloud/hybrid architectures, innovative enterprises rely on Sensedia as a partner in API Management Platform, Adaptive Governance, Cloud Connectors, Events Hub, Service Mesh and Professional Services.

Revenue
$73.7M
Year founded
2007
Team size
670

Frequently asked questions about API Management Tools Companies

How many API management tools companies are there?

Latka tracks 352 API management tools companies with reported revenue. Together they generate $3B in annual revenue and employ 22.1K people.

Which API management tools company is the largest?

Backbase is the largest, with $345.5M in annual revenue, founded in 2003.

How much revenue does a typical API management tools company make?

The average API management tools company in this list makes $8.6M a year, across 352 companies with reported revenue. They serve 80.7M customers combined.

Who are the leading API Management tools vendors?

Ranked by annual revenue, the leaders are Backbase, WSO2, Solace, Algolia and Kong Inc.

How much funding have API management tools companies raised?

The 352 API management tools companies tracked here have raised $4.5B in disclosed funding between them.

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