As of September 2026, Latka tracks 5 API security tools companies with $10M–$100M in annual revenue. They have combined revenues of $205M and employ 601 people. They have raised $515M and serve 120 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.
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.
Sorting: Highest -> Lowest
Showing 5 of 5 companies ranked by annual revenue.
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.
Palo Alto, California, United States
Salt detects and prevents zero-day API attacks with the power of AI. Deploys in minutes
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.
Latka tracks 5 API security tools companies with $10M–$100M in annual revenue. Together they generate $205M in annual revenue and employ 601 people.
Contrast Security is the largest, with $91.7M in annual revenue, founded in 2014.
The average API security tools company in this list makes $41M a year, across 5 companies with reported revenue. They serve 120 customers combined.
Ranked by annual revenue, the leaders are Contrast Security, Salt Security, Oneloop, Gravitee and ImmuniWeb.
The 5 API security tools companies with $10M–$100M in annual revenue tracked here have raised $515M in disclosed funding between them.
- 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.
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