Feature

API Testing Tooling

Built-in contract, integration, and load testing.

19 providers 99 APIs 13 declared variants

The platform provides or integrates test tooling — contract tests, assertions, synthetic monitors, or load runs — so regressions surface before customers find them.

19 API providers on the APIs.io network offer api testing tooling. The highest-rated are Amazon EC2 Image Builder, UiPath, Apidog, Soracom, Speakeasy.

Providers

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Exemplar 2 Complete, well-documented, and agent-ready
Amazon EC2 Image Builder EC2 Image Builder simplifies the building, testing, and deployment of Virtual Machine and container images ... 1 API 72.6 UiPath UiPath is an enterprise automation platform offering robotic process automation (RPA), AI-powered automatio... 6 APIs 71.7
Strong 4 Solid coverage with minor gaps
Apidog Apidog is an all-in-one API development platform that connects the entire API lifecycle: visual API design,... 1 API 69.1 Soracom Soracom is a global IoT cellular connectivity and platform provider headquartered in Tokyo, founded in 2014... 18 APIs 67.5 Speakeasy The platform to Build APIs your users love. Best in class API tooling for robust SDKs, API docs, Terraform ... 8 APIs 63.5 AgentQL AgentQL connects LLMs and AI agents to the entire web through a specialized query language, REST API, and P... 3 APIs 63.0
Developing 5 Usable, with meaningful gaps to close
Apideck Apideck is the leading Unified API that doesn't store sensitive customer data. Build and maintain native in... 15 APIs 58.5 APIGit APIGit is a Git-native platform for full lifecycle API development that combines version control, API desig... 1 API 56.0 Apache JMeter Apache JMeter is an open-source Java application designed for load testing functional behavior and measurin... 2 APIs 53.7 Apinizer Apinizer is an API management platform that provides API gateway, API portal, API testing, monitoring, and ... 1 API 53.7 Cerbos Cerbos is an open-core, language-agnostic, scalable authorization platform that decouples access control fr... 6 APIs 47.8
Thin 6 Limited public surface area
Aklivity Aklivity provides the Zilla multi-protocol edge and service proxy for event-driven architectures, enabling ... 3 APIs 40.0 VA Lighthouse VA Lighthouse is the US Department of Veterans Affairs' developer API platform. Published at developer.va.g... 23 APIs 37.4 Assertible Assertible provides a reliable first line of defense against web service failures by providing simple and p... 1 API 36.8 APIContext APIContext (formerly APImetrics) is an advanced synthetic API testing and monitoring platform that measures... 1 API 34.8 Apiary Apiary is an API design and documentation platform, now part of Oracle Cloud Infrastructure. With 486,000+ ... 2 APIs 32.7 Artillery Artillery is an open source load testing and performance testing platform for APIs, microservices, and web ... 1 API 30.0
Emerging 2 Early or largely undocumented
ApiShare ApiShare is an API governance platform that provides a unified operational model for API lifecycle manageme... 1 API 26.3 BDD (Behavior-Driven Development) Behavior-Driven Development (BDD) is a software development methodology that combines test-driven developme... 5 APIs 23.6

What Providers Actually Declared

This feature is a canonical term. These are the free-text strings providers wrote in their own apis.yml that map onto it.

API TestingAPI Testing IntegrationAutomated API TestingAutomated TestingHTTP Load TestingJSON Schema ValidationLighthouse OAS contract testing via the public lighthouse-oas-tests repositoryLive API TestingPlaywright IntegrationSchema ValidationSoracom Sandbox API at api-sandbox.soracom.io for safe integration testingSynthetic API TestingTest Automation

Scroll for all 13