Company lists · Data refreshed September 2026

Top 25 Api security services worldwide

RevenueBase identified 307 company matches for api security services worldwide as of September 2026 and tracks 4,039 professional contacts across them, including 1,475 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for api security services worldwide, 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 September 21, 2026. Country and city lists for api security services follow the table.

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 Sep 21, 2026 How this list was built
307Companies
4,039Contacts tracked
1,475Verified emails
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The 25 largest api security services worldwide

Ranked by team size
Top 25 of 307 company matches for api security services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchAustin, TX, United StatesHQ recorded Sep 21, 2026201-500326 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchSan Jose, CA, United StatesHQ recorded Sep 21, 2026201-500232 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchAustin, TX, United StatesHQ recorded Sep 21, 202651-200174 contacts →

Exact match

“AI is the operating system of the next decade of enterprise work, and most enterprises are running it on AWS with less oversight than they apply to the humans they're replacing.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchVadodara, IndiaHQ recorded Sep 21, 2026201-500169 contacts →

Exact match

“Trusted by over 6,500 businesses globally, Indusface is a fully managed Web Application and API Protection (WAAP) and DAST platform that helps businesses secure web applications…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchSan Francisco, CA, United StatesHQ recorded Sep 21, 202651-200167 contacts →

Exact match

“Fluid Attacks helps companies prevent, detect, manage and remediate vulnerabilities across their application attack surface.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchGhent, BelgiumHQ recorded Sep 21, 2026201-500154 contacts →

Exact match

“From vulnerability management to penetration testing, secure everything you build, host, and run with Aikido.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchPune, IndiaHQ recorded Sep 21, 202651-200149 contacts →

Exact match

“SecureLayer7 is a CREST accredited advanced offensive security solutions provider, combining deep expertise with innovative products to protect modern digital enterprises.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchSanta Clara, CA, United StatesHQ recorded Sep 21, 202651-200146 contacts →

Exact match

“Cequence protects the applications and data that power enterprises in the agentic era.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchSan Jose, CA, United StatesHQ recorded Sep 21, 2026201-50089 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchPalo Alto, United StatesHQ recorded Sep 21, 2026201-50083 contacts →

Exact match

“Data Theorem prevents AppSec data breaches.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, CA, United StatesHQ recorded Sep 21, 2026201-50081 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 · Sep 21, 2026 · View company records in RevenueBase
12Exact matchCuritiba, BrazilHQ recorded Sep 21, 202651-20069 contacts →

Exact match

“Conviso is an application security specialist and a reference in AppSec.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchBrasília, BrazilHQ recorded Sep 21, 202651-20062 contacts →

Exact match

“O seu parceiro ideal para garantir a segurança da sua jornada digital, a CPD vai além da simples prestação de serviços de Segurança da Informação e Infraestrutura.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchSan Francisco, United StatesHQ recorded Sep 21, 202611-5060 contacts →

Exact match

“Beagle Security is an agentic penetration testing platform for web apps, APIs, and GraphQL.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchBangkok, ThailandHQ recorded Sep 21, 202651-20056 contacts →

Exact match

“DATAFARM is experienced and certified IT Security company.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact match서울특별시, South KoreaHQ recorded Sep 21, 202651-20054 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchSan Francisco, CA, United StatesHQ recorded Sep 21, 202611-5051 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchStockholm, SwedenHQ recorded Sep 21, 202651-20047 contacts →

Exact match

“The access layer your business runs on.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchWellington, New ZealandHQ recorded Sep 21, 202651-20046 contacts →

Exact match

“RedShield is the essential partner for businesses needing an effective security solution for application risks.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchSeattle, WA, United StatesHQ recorded Sep 21, 2026201-50042 contacts →

Exact match

“Shape Security was acquired by F5 in January 2020, joining forces to transform how we defend the world’s applications against abuse and fraud, prevent reputational damage, and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact match渋谷区, JapanHQ recorded Sep 21, 2026n/a38 contacts →

Exact match

“GMO Flatt Security, based in Tokyo, offers expert security assessments and penetration testing for software.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchDublin, IrelandHQ recorded Sep 21, 202651-20037 contacts →

Exact match

“42Crunch is a leading API security platform for the AI era.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchDenver, CO, United StatesHQ recorded Sep 21, 202611-5035 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 · Sep 21, 2026 · View company records in RevenueBase
24Exact matchSan Mateo, CA, United StatesHQ recorded Sep 21, 202651-20032 contacts →

Exact match

“PerimeterX is the leading provider of solutions that detect and stop the abuse of identity and account information on the web.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchVerona, ItalyHQ recorded Sep 21, 202611-5030 contacts →

Exact match

“Penetration testing, reimagined with AI.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 307 api security services worldwide

See the full list, filter by size, metro and specialty, and access 1,475 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Api security services worldwide at a glance

As of Sep 21, 2026
36.5%Verified-email coverage
13.2Average contacts per company
1-10Median size (employees)
3.3%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
188
11-50
79
51-200
29
201-500
11

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for api security services are linked below.
What qualifies
Company records worldwide whose business descriptions match “api security services” 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. 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 1,475 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 September 21, 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.

Api security services by location

1 lists · largest first

Every Api security services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many api security services are there worldwide?

RevenueBase identified 307 company matches for api security services worldwide as of September 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?

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

Which country has the most api security services?

The United States leads with 65 companies. Every api security services list by country and city is linked on this page.

Which city has the most api security services?

London leads with 10 company records, followed by San Francisco (9) and Hyderabad (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 1,475 professional contacts with verified work emails tracked across these 307 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 September 21, 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.