- Revenue
- $146.1M
- Customers
- 130
- Year founded
- 2009
- Funding
- $344.3M
- Team size
- 879
Top 25 API Security Tools Companies (September 2026)
As of September 2026, Latka tracks 25 API security tools companies. They have combined revenues of $395.6M and employ 1.9K people. They have raised $905.6M and serve 150.4K customers combined.
Every company below sells API security 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.
What API Security Tools Companies do
API Security Tools are designed to protect application programming interfaces (APIs) from various security threats. These tools enable organizations to discover, manage, and secure their APIs throughout their lifecycle, ensuring that the data exchanged is confidential and integrity is maintained. Common features include authentication and authorization management, threat detection, and monitoring of API usage patterns to identify vulnerabilities and anomalies. Typical use cases for API security tools include protecting sensitive data transmission, preventing unauthorized access, and ensuring compliance with security standards. Users range from IT security teams and application developers to compliance officers who need to oversee and enforce security policies. These stakeholders typically rely on such tools to streamline security processes, enhance visibility, and respond effectively to potential security incidents.
- Companies
- 25
- Revenue
- $395.6M
- Funding
- $905.6M
- Employees
- 1.9K
Filters
Sorting: Highest -> Lowest
Top API Security Tools Companies by revenue
Showing 10 of 25 companies ranked by annual revenue.
2
Contrast Security
Los Altos, California, United States
Contrast Security is the only Application and API Security platform purpose-built to detect and stop live application-layer attacks. It delivers real-time and always-on application security inside applications and APIs.
- Revenue
- $91.7M
- Year founded
- 2014
- Funding
- $245M
- Team size
- 240
3
Salt Security
Palo Alto, California, United States
Salt detects and prevents zero-day API attacks with the power of AI. Deploys in minutes
- Revenue
- $75M
- Year founded
- 2016
- Funding
- $270M
- Team size
- 201
- Growth
- 54.64%
- Revenue
- $14.8M
- Year founded
- 2022
- Team size
- 4
5
Gravitee
Denver, Colorado, United States
Gravitee.io is an end-to-end solution for both synchronous and asynchronous API lifecycle management, built on an event-native API Gateway with support for REST, SOAP, Websockets, Webhooks, Kafka, MQTT, and more. Because of its breadth of capabilities and unique support for streaming data, Gravitee enables developers and business users all around the world to build, manage, and secure all their APIs in one place.
- Revenue
- $13.2M
- Year founded
- 2016
- Team size
- 120
- Revenue
- $10.3M
- Customers
- 120
- Team size
- 36
- Revenue
- $5.9M
- Year founded
- 2020
- Funding
- $14.5M
- Team size
- 55
8
BOS Framework
Nashville, Tennessee, United States
Your seamless transition to microservices and security.
- Revenue
- $5.5M
- Year founded
- 2018
- Funding
- $2M
- Team size
- 25
- Revenue
- $5.4M
- Year founded
- 2018
- Funding
- $14.9M
- Team size
- 40
10
Apisec.ai
San Francisco, California, United States
Apisec.ai is an enterprise-class API security management platform that delivers instant and continuous API security coverage and compliance
- Revenue
- $5.4M
- Year founded
- 2018
- Funding
- $2M
- Team size
- 47
Frequently asked questions about API Security Tools Companies
How many API security tools companies are there?
Latka tracks 25 API security tools companies with reported revenue. Together they generate $395.6M in annual revenue and employ 1.9K people.
Which API security tools company is the largest?
Kong Inc is the largest, with $146.1M in annual revenue, founded in 2009.
How much revenue does a typical API security tools company make?
The average API security tools company in this list makes $15.8M a year, across 25 companies with reported revenue. They serve 150.4K customers combined.
Who are the leading API Security tools vendors?
Ranked by annual revenue, the leaders are Kong Inc, Contrast Security, Salt Security, Oneloop and Gravitee.
How much funding have API security tools companies raised?
The 25 API security tools companies tracked here have raised $905.6M in disclosed funding between them.
Related Security Software categories
Inclusion Criteria
- Tools must provide API discovery and inventory capabilities. - Must include methods for threat detection and response. - Should offer the ability to manage authentication and authorization mechanisms. - Must support monitoring and auditing of API activity. - Not just focused on vulnerability scanning; must also include remediation guidance and risk prioritization. - Should integrate with existing security frameworks and tools within an organization. - Must facilitate compliance with relevant security standards and regulations.