Company lists · Data refreshed October 2026

Top 25 Api security testing tool vendors based in the United States

RevenueBase identified 93 company matches for api security testing tool vendors associated with the United States as of October 2026 and tracks 5,300 professional contacts across them, including 2,807 with verified work emails. San Francisco is the largest hub.

This list covers company matches for api security testing tool vendors associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 19, 2026 How this list was built
93Companies
5,300Contacts tracked
2,807Verified emails
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The 25 largest api security testing tool vendors based in the United States

Ranked by team size
Top 25 of 93 company matches for api security testing tool vendors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 19, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBoston, MA, United StatesHQ recorded Oct 19, 20261,001-5,0001,146 contacts →

Exact match

“Snyk, the leader in secure AI software development, empowers organizations to build fast and stay secure by unleashing developer productivity and reducing business risk.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
2Exact matchParamus, NJ, United StatesHQ recorded Oct 19, 2026501-1,0001,056 contacts →

Exact match

“Checkmarx helps the world’s largest enterprises get ahead of application risk without slowing down development.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
3Exact matchBurlington, MA, United StatesHQ recorded Oct 19, 2026501-1,000540 contacts →

Exact match

“Veracode is a global leader in Application Risk Management for the AI era.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4Exact matchBurlington, MA, United StatesHQ recorded Oct 19, 2026201-500477 contacts →

Exact match

“Pentera provides AI-powered Automated Security Validation for enterprise security teams.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
5Exact matchAustin, TX, United StatesHQ recorded Oct 19, 2026201-500338 contacts →

Exact match

“Invicti is transforming the way web applications are secured.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
6Exact matchSan Jose, CA, United StatesHQ recorded Oct 19, 2026201-500224 contacts →

Exact match

“Noname Security is the only company taking a complete, proactive approach to API Security.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7Exact matchSan Jose, CA, United StatesHQ recorded Oct 19, 2026201-50087 contacts →

Exact match

“NTT Application Security is driving the future of application security.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
8Exact matchSan Rafael, CA, United StatesHQ recorded Oct 19, 202651-20084 contacts →

Exact match

“Bright Security’s enterprise-grade, dev-centric DAST platform empowers organizations to identify & remediate vulnerabilities early & iteratively in the SDLC.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
9Exact matchCulver City, CA, United StatesHQ recorded Oct 19, 202611-5059 contacts →

Exact match

“Inspectiv is an all-in-one application security testing platform that simplifies the process of discovering, validating, and remediating vulnerabilities.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CA, United StatesHQ recorded Oct 19, 2026201-50052 contacts →

Exact match

“Traceable is the industry’s leading API Security company that helps organizations achieve API visibility and attack protection in a cloud-first, API-driven world.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, CA, United StatesHQ recorded Oct 19, 202611-5050 contacts →

Exact match

“The APIsec security testing platform discovers business logic exploits.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
12Exact matchSan Francisco, CA, United StatesHQ recorded Oct 19, 202611-5049 contacts →

Exact match

“Software ships daily.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
13Exact matchAlpharetta, GA, United StatesHQ recorded Oct 19, 202611-5046 contacts →

Exact match

“Arnica is redefining application security by meeting developers where they work.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
14Exact matchSunnyvale, MA, United StatesHQ recorded Oct 19, 20261,001-5,00035 contacts →

Exact match

“Proactively reduce security risks, including those introduced by AI-driven development, with HCL AppScan, a scalable application security platform that helps teams securely…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15Exact matchDenver, CO, United StatesHQ recorded Oct 19, 202611-5029 contacts →

Exact match

“Transform application security with complete discovery of your API landscape, automated dev-native testing workflows, and actionable remediation guidance – at the pace of AI.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
16Exact matchDulles, VA, United StatesHQ recorded Oct 19, 2026n/a26 contacts →

Exact match

“Cigital is now a part of Synopsys.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
17Exact matchAustin, TX, United StatesHQ recorded Oct 19, 202651-20024 contacts →

Exact match

“Acunetix was founded to combat the alarming rise in web attacks.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
18Exact matchWoburn, MA, United StatesHQ recorded Oct 19, 202611-5023 contacts →

Exact match

“Primeon is a leader in enterprise-wide application security, pen-testing (all web apps & smartphone apps security tests - all device flavors), cloud computing application Security…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
19Exact matchLos Angeles, CA, United StatesHQ recorded Oct 19, 202611-5022 contacts →

Exact match

“NightVision finds what is in your applications, proves it, and fixes it.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
20Exact matchDover, DE, United StatesHQ recorded Oct 19, 202611-5022 contacts →

Exact match

“Oversecured is a mobile app security provider with automated scanning software solutions.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
21Exact matchSeattle, WA, United StatesHQ recorded Oct 19, 202611-5017 contacts →

Exact match

“Clearly AI automates design reviews, threat models, and security and privacy assessments directly within your development workflow, turning weeks of manual work into minutes.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
22Exact matchMilpitas, CA, United StatesHQ recorded Oct 19, 202611-5016 contacts →

Exact match

“We are developing power tools that allow developers to automatically fix security problems in their software.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
23Exact matchBethesda, MD, United StatesHQ recorded Oct 19, 202611-5016 contacts →

Exact match

“AI is accelerating code.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
24Exact matchSeattle, WA, United StatesHQ recorded Oct 19, 20261-1015 contacts →

Exact match

“Staris is a product security validation platform that continuously discovers, proves, and helps remediate real exploitable vulnerabilities in modern applications.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
25Exact matchWilmington, DE, United StatesHQ recorded Oct 19, 20261-1015 contacts →

Exact match

“We build skilled and reliable AIs for offensive security testing https://shinobi.security”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase

Showing 25 of 93 api security testing tool vendors based in the United States

See the full list, filter by size, metro and specialty, and access 2,807 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Api security testing tool vendors based in the United States at a glance

As of Oct 19, 2026
53.0%Verified-email coverage
57.0Average contacts per company
11-50Median size (employees)
19.4%Largest-city concentration · San Francisco
Oct 19, 2026Page data refreshed

Companies by employee count

1-10
32
11-50
35
51-200
11
201-500
7
501-1,000
3
1,001-5,000
3
10001+
2

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 93 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “api security testing tool vendors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 2,807 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 19, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “api security testing tool vendors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many api security testing tool vendors are there based in the United States?

RevenueBase identified 93 company matches for api security testing tool vendors associated with the United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

SNYK tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most api security testing tool vendors?

San Francisco leads with 18 company records, followed by New York (5) and San Jose (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 2,807 professional contacts with verified work emails tracked across these 93 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 19, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.