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API Tester - REST Client on Windows Pc

Developed By: Technik Apps

License: Free

Rating: 5,0/5 - 1 votes

Last Updated: August 06, 2026

Download on Windows PC

Compatible with Windows 10/11 PC & Laptop

App Details

Version 4
Size 3.6 MB
Release Date May 14, 25
Category Tools Apps

App Permissions:
Allows applications to open network sockets. [see more (1)]

What's New:
cURL Import: Quickly import requests using the new cURL tool.Save Requests: Save your favorite configurations for easy access.Params Tab: New dedicated tab for... [see more]

Description from Developer:
API Tester - Fast REST API Client for Android

Test, debug and inspect REST APIs directly from your phone with API Tester.

Send HTTP requests in seconds, view formatted JSON respo... [read more]

App preview ([see all 15 screenshots])

App preview

About this app

On this page you can download API Tester - REST Client and install on Windows PC. API Tester - REST Client is free Tools app, developed by Technik Apps. Latest version of API Tester - REST Client is 4, was released on 2025-05-14 (updated on 2026-08-06). Estimated number of the downloads is more than 100. Overall rating of API Tester - REST Client is 5,0. Generally most of the top apps on Android Store have rating of 4+. This app had been rated by 1 users, 1 users had rated it 5*, 0 users had rated it 1*.

How to install API Tester - REST Client on Windows?

Instruction on how to install API Tester - REST Client on Windows 10 Windows 11 PC & Laptop

In this post, I am going to show you how to install API Tester - REST Client on Windows PC by using Android App Player such as BlueStacks, LDPlayer, Nox, KOPlayer, ...

Before you start, you will need to download the APK/XAPK installer file, you can find download button on top of this page. Save it to easy-to-find location.

[Note] You can also download older versions of this app on bottom of this page.

Below you will find a detailed step-by-step guide, but I want to give you a fast overview of how it works. All you need is an emulator that will emulate an Android device on your Windows PC and then you can install applications and use it - you see you're playing it on Android, but this runs not on a smartphone or tablet, it runs on a PC.

If this doesn't work on your PC, or you cannot install, comment here and we will help you!

Step By Step Guide To Install API Tester - REST Client using BlueStacks

  1. Download and Install BlueStacks at: https://www.bluestacks.com. The installation procedure is quite simple. After successful installation, open the Bluestacks emulator. It may take some time to load the Bluestacks app initially. Once it is opened, you should be able to see the Home screen of Bluestacks.
  2. Open the APK/XAPK file: Double-click the APK/XAPK file to launch BlueStacks and install the application. If your APK/XAPK file doesn't automatically open BlueStacks, right-click on it and select Open with... Browse to the BlueStacks. You can also drag-and-drop the APK/XAPK file onto the BlueStacks home screen
  3. Once installed, click "API Tester - REST Client" icon on the home screen to start using, it'll work like a charm :D

[Note 1] For better performance and compatibility, choose BlueStacks 5 Nougat 64-bit read more

[Note 2] about Bluetooth: At the moment, support for Bluetooth is not available on BlueStacks. Hence, apps that require control of Bluetooth may not work on BlueStacks.

How to install API Tester - REST Client on Windows PC using NoxPlayer

  1. Download & Install NoxPlayer at: https://www.bignox.com. The installation is easy to carry out.
  2. Drag the APK/XAPK file to the NoxPlayer interface and drop it to install
  3. The installation process will take place quickly. After successful installation, you can find "API Tester - REST Client" on the home screen of NoxPlayer, just click to open it.

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API Tester - Fast REST API Client for Android

Test, debug and inspect REST APIs directly from your phone with API Tester.

Send HTTP requests in seconds, view formatted JSON responses, manage headers and authentication, and quickly troubleshoot APIs from anywhere.

Perfect for developers, QA testers, backend engineers and tech enthusiasts who need a lightweight mobile REST client.

Powerful API Testing Tools
HTTP Request Support

Send:

GET
POST
PUT
PATCH
DELETE

Quickly test REST APIs and endpoints with a fast and intuitive request builder.

JSON Response Viewer

Inspect formatted JSON responses with:

Syntax highlighting
Readable formatting
Status codes
Response timing
Error details

Easily debug API issues and verify responses in real time.

Authentication Support

Connect to secured APIs using:

Bearer Tokens
Basic Authentication
Custom Headers

Perfect for testing authenticated endpoints and protected services.

Advanced Request Builder

Configure:

Headers
Request body data
Content types
Authorization
Query parameters

Designed for fast mobile API development and debugging.

Built for Developers

API Tester is ideal for:

REST API testing
Backend debugging
Mobile development
QA testing
JSON inspection
Endpoint validation
HTTP request testing
Fast, Clean and Mobile Friendly

Whether you're working remotely, debugging on the go, or quickly checking an endpoint, API Tester delivers a smooth and responsive mobile experience.

No complicated setup. Just launch the app and start testing APIs instantly.

Download API Tester today and simplify REST API testing on Android.

cURL Import: Quickly import requests using the new cURL tool.

Save Requests: Save your favorite configurations for easy access.

Params Tab: New dedicated tab for managing query parameters.

Response View: Added both JSON and Preview tabs for non-JSON returns.

History: You can now view and revisit your previous requests.

UI Improvements: Refined interface with system theme recognition (Dark/Light mode).
Allows applications to open network sockets.