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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 fundamental units of software testing that document what needs to be tested, the conditions under which the test runs, and the expected outcomes. They are widely used across manual testing, automated testing, and API testing workflows.

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Providers working in Test Cases

Providers whose own tags share at least two of this topic's tags, most shared first — the top 30 of 150.

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Assertible Assertible provides a reliable first line of defense against web service failures by providing simple and powerful assertions to test and monitor APIs. It enables automated API testing with assertions on response status, headers, body cont… developing 1
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 command-line interface let teams create and manage tests, env… developing 1
Automation Preflight API A self-serve REST API by TinyOps Studio LLC that inspects a public URL and returns deterministic, bounded JSON integration-readiness evidence across reachability, integration surface, and readiness scoring. It rejects private/credential-be… developing 2
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 test jobs, devices, builds, insights, and results across virtu… developing 2
Testim Io Testim is an AI-powered functional test automation platform for web and mobile applications, using machine learning to author, run, and self-heal UI tests. Acquired by Tricentis in 2022, Testim is offered as part of the Tricentis quality-e… developing 1
TestSprite TestSprite is an AI-powered software testing platform (a Techstars-backed company) that gives autonomous coding agents a verification loop: it uses an app like a real user, generates and executes end-to-end UI and backend API tests, and re… thin 0
REST Assured REST Assured is a Java library for simplifying the testing and validation of RESTful APIs. It provides a fluent domain-specific language (DSL) built on the given-when-then BDD pattern, making it easy to write readable and maintainable API… thin 1
BDD (Behavior-Driven Development) Behavior-Driven Development (BDD) is a software development methodology that combines test-driven development with domain-driven design, encouraging collaboration between developers, QA, and business stakeholders through human-readable tes… emerging 5
Step CI Step CI is an open source API testing and monitoring framework that uses YAML-based workflows to define and run automated API test scenarios. It supports REST, GraphQL, gRPC, tRPC, and SOAP protocols in a single unified testing framework.… emerging 1
Muuktest MuukTest (MuukLabs) is an AI-powered test automation and managed QA services company founded in 2019 that helps software teams reach high end-to-end test coverage in weeks rather than months. It blends an AI-driven automation platform with… emerging 0
GitHub Actions GitHub Actions is GitHub's hosted CI/CD and workflow automation platform, and this record covers the REST API surface that drives it. Eighty-two operations across eleven resource areas let a caller dispatch and cancel workflow runs, poll r… exemplar 1
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 platform spans Collections, Workspaces, the API Client, Spec… exemplar 21
TestFairy TestFairy is a mobile app testing and distribution platform, now part of Sauce Labs, that lets teams upload iOS and Android builds, distribute them to beta testers, and record video sessions of testers using the app alongside device logs,… developing 1
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 plane, orchestrating tests written for existing frameworks — Cypr… developing 3
Opkey Opkey (Smart Software Testing Solutions, Inc.) is a US-headquartered Cloud Application Lifecycle Management and AI-powered test automation vendor for enterprise packaged applications. Its no-code platform ships pre-built automated tests an… developing 1
accessiBe accessiBe is a web accessibility technology company whose products help organizations make websites and web applications usable by people with disabilities and compliant with WCAG, the ADA, Section 508, AODA and the European Accessibility… developing 1
Replay Replay is an AI-native QA and time-travel debugging platform for web applications. Replay QA autonomously explores a web app, records every session in a deterministic Replay Browser, finds real bugs, and hands a coding agent the root cause… developing 1
Selenium Selenium is the open-source browser automation project behind the W3C WebDriver and WebDriver BiDi standards. It drives real browsers through a vendor-neutral, standardised HTTP wire protocol that the browser vendors implement themselves,… developing 1
Cypress.io Cypress.io, Inc. builds Cypress, an open-source, JavaScript-based end-to-end and component testing framework that runs tests directly in the browser with time-travel debugging, automatic waiting, and cross-browser support. Its commercial C… thin 1
Ellipsis Ellipsis is a managed cloud platform for running autonomous coding agents at scale. Engineering teams define agents as YAML config files that live in their repositories, and Ellipsis runs them in isolated, ephemeral sandboxes to review pul… thin 1
Antithesis Antithesis is an autonomous software testing platform that finds deep bugs in mission-critical systems using deterministic simulation and continuous fuzzing. It runs your entire system inside a deterministic hypervisor, injects faults and… thin 1
Cucumber Cucumber is an open-source Behavior Driven Development (BDD) tool for running automated tests written in plain language using the Gherkin syntax. It enables collaboration between technical and non-technical team members by expressing execu… thin 5
Ranger Ranger is an AI-powered quality-assurance platform that lets coding agents verify their own work in a real browser. Its CLI (@ranger-testing/ranger-cli) sets up a project so an AI coding agent — Claude Code, OpenCode, Cursor, Codex, or any… thin 0
HeadSpin HeadSpin is a real-device digital-experience, functional, and performance testing platform for mobile, web, and OTT applications. Teams test, monitor, and optimize app behavior on real devices and real SIMs across 60+ locations in 50+ coun… emerging 1
iGent iGent AI is a UK-based artificial intelligence company (Altrincham, Cheshire) building Maestro, an autonomous AI software-engineering agent. Maestro pairs adaptive autonomy with an ensemble of frontier AI models to plan, generate, test, an… emerging 0
Runscope Runscope is an API monitoring and testing platform that lets teams create, schedule, and run automated tests against their APIs to catch performance problems, uptime issues, and functional regressions before customers do. Originally an ind… emerging 1
Testlio Testlio is a managed software testing and quality assurance company that pairs a global, vetted community of expert testers with a testing-management platform (powered by its Leo AI Engine) to deliver on-demand manual, automated, functiona… emerging 0
ReadyAPI ReadyAPI is SmartBear's enterprise-grade automated API testing platform. It unifies functional, security, performance, and virtualization testing for REST, SOAP, GraphQL, Kafka, JDBC, and JMS APIs. ReadyAPI is delivered as a desktop and CI… emerging 0
Approxima Approxima is a Y Combinator (Winter 2026) startup building AI agents that test every pull request. Approxima plugs into your CI/CD pipeline and runs autonomous agents on each PR: the agents build your application in an isolated sandbox, ex… minimal 0
Canary Canary is an AI QA engineer that reads your source code to understand developer intent. Push a pull request and Canary reads the diff, understands the intent, and runs feature and regression tests against your preview app across real brows… minimal 0

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API TestingAutomationDeveloper ToolsQuality AssuranceSoftware DevelopmentSoftware TestingTesting