Testing is one of the API Evangelist areas on the APIs.io network — a focused corner of the API landscape. The full area lives at testing.apievangelist.com.
30 providers on the network work in this area, including Postman, UiPath, Treblle, Speakeasy, Azure DevTest Labs, Coval, and 24 more — each links out to that provider’s APIs, schemas, and governance artifacts.
Related areas: Documentation, AI Automation, Developer Experience, and Observability. Browse every area at areas.apis.io.
About this area
A curated index of services, tooling, and open source solutions for API testing, mocking, load testing, contract testing, and quality assurance. This collection covers functional…
Related providers (132)
Top 30 of 132 network providers tagged for this area — search the full set on apis.io.
| Provider | Description | APIs | Rating |
|---|---|---|---|
| Postman | Postman is the world's leading API platform, used by 35+ million developers to design, build, test, document, mock, monitor, and govern APIs across the entire API lifecycle. The... | 24 | exemplar |
| UiPath | UiPath is an enterprise automation platform offering robotic process automation (RPA), AI-powered automation, and agentic automation capabilities. The platform includes Orchestr... | 32 | exemplar |
| Treblle | Treblle helps engineering and product teams build, ship and understand their REST APIs in one single place. Empowering API producers by showing actionable data in real-time wher... | 15 | strong |
| Speakeasy | The platform to Build APIs your users love. Best in class API tooling for robust SDKs, API docs, Terraform providers and end-to-end testing. | 20 | strong |
| Azure DevTest Labs | Azure DevTest Labs enables developers to efficiently self-manage virtual machines and PaaS resources without waiting for approvals. DevTest Labs creates labs consisting of pre-c... | 25 | strong |
| Coval | Coval is the deployment-readiness platform for voice and chat AI agents. Teams simulate thousands of realistic conversation scenarios before launch, monitor real production call... | 25 | strong |
| Sauce Labs | Sauce Labs is a cloud-based cross-browser and mobile app testing platform trusted by over 100,000 customers worldwide. It provides a comprehensive set of REST APIs for managing ... | 9 | strong |
| Rainforest QA | Rainforest QA is a no-code software testing platform that combines AI-powered test creation, crowdsourced manual QA, and automated browser testing in one place. Its REST API and... | 18 | developing |
| Amazon CodeBuild | AWS CodeBuild is a fully managed continuous integration service that compiles source code, runs tests, and produces ready-to-deploy software packages. CodeBuild scales continuou... | 47 | developing |
| TeamCity | JetBrains TeamCity is a powerful continuous integration and deployment server that helps development teams build, test, and deploy software efficiently. TeamCity provides a comp... | 17 | developing |
| QA Wolf | QA Wolf is a hybrid platform and service that takes QA off software teams' plates: AI maps an application's user journeys, converts plain-language prompts into Playwright and Ap... | 2 | developing |
| Gradle | Gradle Inc. (Gradle Technologies) is the company behind the open-source Gradle Build Tool, downloaded more than 25 million times a month across the Java, JVM, Android, Kotlin, C... | 11 | developing |
| LambdaTest | LambdaTest (rebranding as TestMu AI) is a cloud-based AI-powered test execution platform that enables developers and QA teams to run Selenium, Cypress, Playwright, and Appium au... | 20 | developing |
| APIGit | APIGit is a Git-native platform for full lifecycle API development that combines version control, API design, documentation generation, governance, testing, and dynamic mock ser... | 4 | developing |
| Reflect | Reflect is an AI-powered automated end-to-end testing platform that enables teams to effortlessly create, execute, and troubleshoot automated browser tests. Reflect provides a n... | 3 | developing |
| Ambassador | Ambassador is a Kubernetes-native API Gateway built on Envoy Proxy, providing routing, load balancing, authentication, and observability for microservices. | 11 | developing |
| Kubeshop | Kubeshop is the company behind Testkube, an open-core, Kubernetes-native test orchestration platform. Testkube runs agents inside Kubernetes clusters under a central control pla... | 30 | developing |
| Scorecard | Scorecard is a simulation and evaluation platform for building, testing, and deploying frontier AI agents. Teams run their agents through thousands of realistic scenarios, judge... | 7 | developing |
| BrowserStack | BrowserStack provides instant access to 3500+ real mobile devices and desktop browsers for testing web and mobile applications across different platforms and operating systems. | 22 | developing |
| Chaos Mesh | Chaos Mesh is a CNCF graduated cloud-native chaos engineering platform that orchestrates chaos experiments on Kubernetes to test system resilience and reliability. It exposes Ku... | 7 | developing |
| Insomnia | Insomnia is an open-source, cross-platform API development platform by Kong for designing, debugging, and testing HTTP, REST, GraphQL, gRPC, SOAP, WebSockets, SSE, and Socket.IO... | 4 | developing |
| Emerge Tools | Emerge Tools is a mobile developer-tools platform used by teams at DoorDash, Square, and Duolingo to ship faster, smaller, better-performing iOS and Android apps. Its products i... | 10 | developing |
| ReqRes | ReqRes (reqres.in) is a hosted REST API originally launched by Ben Howdle as a free no-auth fake-API surface for AJAX prototyping, tutorials, and frontend testing. As of the 202... | 6 | developing |
| Parea AI | Parea AI is an LLM evaluation, testing, and observability platform designed for AI engineering teams building production-ready LLM applications. The platform provides a REST API... | 1 | developing |
| Confident Cannabis | Confident Cannabis (CC Software LLC, operating as Confident LIMS) is a cloud-based Laboratory Information Management System for analytical testing labs and their clients across ... | 10 | developing |
| Signadot | Signadot is a Kubernetes-native platform for validating microservices and AI-generated code changes against real dependencies before merge. Its core is environment virtualizatio... | 5 | developing |
| HTTP Toolkit | HTTP Toolkit is a beautiful, cross-platform, and open-source tool for debugging, testing, and building with HTTP(S) on Windows, Linux, and Mac. It provides a REST API for interc... | 4 | developing |
| Test Cases | Structured scenarios that verify software functionality by defining inputs, execution conditions, and expected results to ensure quality and correctness. Test cases are the fund... | 9 | developing |
| Test-Driven Development | A software development approach where tests are written before the actual code, following a red-green-refactor cycle to ensure code quality and maintainability. TDD requires dev... | 5 | developing |
| Test Scripts | Automated scripts used to verify software functionality, validate code behavior, and ensure quality through repeatable testing procedures. Test scripts encode testing logic in e... | 11 | developing |