Best API Testing Apps for Android of 2025

Cerberus Testing automates continuous testing at scale with low-code software. The solution will eliminate the need to implement an internal testing framework for years. The product allows you to iterate quickly through your testing lifecycle: from test repository, execution, and reporting. The solution allows teams to collaborate from the use-cases creation to the execution of test cases on a variety of browsers and devices. To execute your test at scale, you can use your own or external robots infrastructure. This allows you to concentrate on your business value. It supports many integrations to speed up implementation, such as Bitbucket and Slack. It is open-source and maintained by many digital and retail players, including La Redoute and Decathlon, Adeo and Norauto.

QATTS stands out as the industry's most all-encompassing provider of cloud-based test automation solutions from start to finish. We guarantee the exceptional quality of your software applications and products through our customizable and ready-to-use automation testing offerings. Our team consists of experienced QA analysts, automation test engineers, and other IT specialists who collaborate closely to ensure timely delivery of dependable services and immediate results. With expertise in both manual and automated testing, our QA professionals are skilled in utilizing the latest web, desktop, and mobile technologies, along with a variety of testing tools. Our in-depth understanding of automation trends has established us as the ultimate destination for all your test automation requirements, including RESTful and SOAP-based web services, as well as IBM, Attachmate, and Hummingbird emulators. We are committed to continuously evolving our services to meet the ever-changing demands of the industry and our clients.

T-Plan's Cross-Platform Test Automation Software can run the same tests across different devices, and platforms. T-Plan Robot is a highly flexible, easy to use, image-based black box GUI automation tool that creates robust automated scripts and exercises applications in the same way as would an end-user. T-Plan Robot is platform-independent (Java) and runs on, and automates all major systems such as Windows, Mac, Linux and Unix plus mobile platforms. We have a solution for any environment. Our virtual workforce solution is application and environment agnostic. Our Java Robot uses a human-like GUI level interaction, using the typical application front-end. Non-intrusive, and a no-code low code approach. Our RPA uses the same scripts, to automate any environment, meaning that automation can occur on Windows, Mac and Linux using the same automation development. T-Plan Robot is the only RPA tool on the market which supports Mac and Linux and Windows in the same application. Robot is the most flexible test automation tool on the market, with identical scripting support for Mac, Windows, Linux & Mobile.

API Tester is a mobile app for IOS and Android for testing and using APIs. It's a completely free API testing tool with a minimalistic interface and, at the same time, rich functionality that allows users to do very complex tasks on a small screen. - Test all types of APIs: REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, and HTTPS. - Perform all HTTP request methods: GET, POST, PUT, PATCH, DELETE, HEAD, etc. - Make the API calls with any kind of request data encoding and transfer type like query params, FormData, raw data, etc. Advanced settings allow you to skip TLS, disable redirects, and adjust timeouts. - Import requests or collections by cURL, link, or file from your device: Swagger, OpenAPI, Postman, and YAML collections are supported. - Share requests in a second using a deep link and cURL command. - Powerful GraphQL editor with full-scale experience: body editor with Queries, Mutations, Subscriptions, and syntax support; variables editor, documentation. - WebSocket testing tool is available too: handles connection and message exchange via WS or WSS. So you can easily connect with APIs you are working with from everywhere in the world and leave your laptop at home!

ZAPTEST is a leading Free and Enterprise software test automation and RPA tool. Computer Vision technology allows cross-platform digital interface automation for UI and API. This combined with our 1SCRIPT methodology, seamless automation, parallel execution, and unlimited licenses, will result in a testing suite that generates up to 10X ROI. ZAPTEST will automate any procedure you can do via any digital interface (live app or mockup). Discover the unparalleled advantages of partnering with ZAPTEST Our partners are essential in providing businesses with innovative, industry-leading automation solutions that transform software testing and RPA processes. ZAPTEST empowers organizations with a unified automation platform that streamlines both software testing and business operations. Our unlimited licensing model ensures you can scale effortlessly, transforming your business into an agile, efficient powerhouse.

Treblle is a federated API Intelligence platform that unifies API visibility, governance, and security in a single enterprise-grade solution. Designed for complex environments, Treblle connects seamlessly through one integration and supports deployment on-prem or in private cloud—meeting even the strictest regulatory and data residency requirements. Once integrated, Treblle instantly maps your entire API landscape with automatic discovery, generating real-time inventories and eliminating shadow APIs. Its observability tools track every request and response, surfacing performance issues, anomalies, and SLA breaches across all services. Advanced analytics give teams insights into traffic, latency, endpoint usage, and client behavior, making debugging, optimization, and scaling easier and 15 times faster. Security is built-in, not bolted on. Treblle provides runtime protection, threat detection, schema validation, and governance policies to safeguard APIs across environments. It empowers DevOps and platform teams to implement shift-left strategies and enforce consistent practices across the lifecycle. With its AI-powered Integration Assistant, Treblle simplifies onboarding and improves developer workflows. Whether you’re running internal microservices or customer-facing APIs, Treblle gives you the clarity and control to move faster, reduce risk, and scale with confidence.

BlazeMeter offers an enterprise-ready platform that is open-source based, integrating all essential features to facilitate both left and right shift testing. With a user-friendly interface, you can easily create tests or adapt your existing scripts to execute them at scale as a part of your ongoing testing strategy. Generate comprehensive reports and analyze historical trends to enhance your testing process. This allows you to dedicate more time to innovation instead of toolchain upkeep. Continuous testing plays a crucial role in achieving quality, volume, and speed in your deliverables. However, the challenges of integrating, managing, learning, and switching between various tools can consume precious time and resources. BlazeMeter simplifies this process with a highly intuitive platform that encompasses everything you need. It guarantees a complete shift left testing experience, enabling you to impress the market with your advancements. BlazeMeter equips you with all necessary elements for continuous shift left testing, providing options to work with CLIs, APIs, UI, open-source tools, and beyond. As a result, you can significantly reduce the time spent on setup, maintenance, training, and everyday usage, ultimately streamlining your workflow. This efficiency not only enhances productivity but also empowers teams to focus on what truly matters: delivering exceptional products.

Consolidate all your test cases in a single platform using Zoho QEngine, which offers a blend of no-code, low-code, and conventional coding options. You can create, develop, manage, and execute automated functional tests while fostering collaboration within your team. This comprehensive test automation software equips you with all the necessary tools to effectively oversee your entire testing lifecycle. Zoho QEngine is designed for testing web applications across various browsers, enabling you to build and manage automated test cases for web applications up to ten times faster with minimal coding or no-code requirements. The simplicity of automated testing for web applications is enhanced with Zoho QEngine. Additionally, it provides essential features like mobile emulators, simulators, Appium compatibility, and access to real devices, ensuring that your mobile test cases adhere to quality benchmarks. Furthermore, you can test, validate, manage, and automate all types of API requests and responses through Zoho QEngine's user-friendly cloud-based API testing software. With its interoperability capabilities, Zoho QEngine delivers the comprehensive functionalities you need in a robust testing tool, making it an indispensable asset for developers and testers alike.

Keysight Eggplant, part of Keysight Technologies’ software portfolio, redefines quality assurance through intelligent, low-code, and AI-driven test automation. Designed for cross-platform functionality, Eggplant automates functional, regression, and performance testing for desktop, mobile, web, and embedded systems. Its computer vision and machine learning models allow testing from the user’s perspective, detecting visual errors, layout issues, and UX problems that code-based tools often miss. Eggplant integrates natively with leading DevOps tools—including Jenkins, Azure DevOps, and GitHub Actions—to enable continuous testing and accelerate release cycles. Its solutions suite includes Eggplant Test, Eggplant Performance, Eggplant Monitoring, and Keysight Generator, covering the full software lifecycle from test creation to real-time monitoring. The platform’s predictive monitoring identifies performance issues before they impact end users, ensuring consistent uptime and optimized experiences. With measurable results such as 93% reduction in manual testing time and 92% reduction in QA labor hours, Eggplant delivers transformative productivity for modern QA teams. By combining automation, AI, and analytics, Keysight Eggplant empowers organizations to innovate faster and release software with confidence.

Appvance IQ (AIQ), delivers transformative productivity gains and lower costs for both test creation and execution. It offers both AI-driven (fully automated tests) and 3rd-generation codeless scripting for test creation. These scripts are then executed using data-driven functional and performance, app-pen, and API testing -- both for web and mobile apps. AIQ's self healing technology allows you to cover all code with only 10% of the effort required by traditional testing systems. AIQ detects important bugs automatically and with minimal effort. No programming, scripting, logs, or recording are required. AIQ can be easily integrated with your existing DevOps tools, processes, and tools.