API Fortress

API Fortress is an API “testing as a service” provider.

Developer tools and cloud500 GlobalERA

Website: apifortress.com.

Category: Developer tools and cloud.

Sectors: Developer Tools.

Based in: United States.

On Recent Funding since: Sep 28, 2026.

Signals

Website registeredMay 15, 2013 (13 years old)

About API Fortress

We use our unique platform to test and monitor APIs, immediately notifying customers with detailed reports when an error or other issue occurs. API Fortress continuously monitors latency and validates the response of any API, making sure customers know there’s an issue before their users do.

Timeline

Winter 2015
EERA · batch
Source: eranyc.com
2015
5500 Global · batch
Source: 500.co
May 15, 2013
Website created

Founders and team

PP
Patrick Poulin Founder

@patrickrpoulin · source: 500.co

Investors

Companies like API Fortress

TTerra Security$30M Series A · Sep 2025
TTinybirdSeries B+ · May 2025
PProdPerfect
LLangwatch
PPostman$230M Series B+ · Aug 2021
KKin Health$9M Seed · Jun 2026

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/api-fortress-inc (get a free API key).