Test API

Use Test API for restful api testing. This postman alternative test rest api online and use post request online to test API endpoint

As of June 2026, Test API has 816 users and a 5.00/5 rating from 9 reviews in the Developer Tools category.

Usersup 10.3 percent+10.3%
816
816
Ratingno change0%
5.00
9 reviews
Reviewsno change0%
9
Version
2.4.1
Manifest V3

History

15 snapshots

Tracking since Apr 1, 2026.

825.32779.5733.68Apr 1, 2026Jun 23, 2026
View as table
DateUsersRatingReviewsVersion
Apr 1, 20267405.0092.4.0
Apr 17, 20267535.0092.4.0
Apr 22, 20267715.0092.4.1
Apr 27, 20267665.0092.4.1
May 2, 20267805.0092.4.1
May 7, 20267785.0092.4.1
May 11, 20267795.0092.4.1
May 14, 20267925.0092.4.1
May 19, 20267905.0092.4.1
May 23, 20267915.0092.4.1
May 28, 20268195.0092.4.1
Jun 2, 20268075.0092.4.1
Jun 6, 20267975.0092.4.1
Jun 11, 20268185.0092.4.1
Jun 23, 20268125.0092.4.1
Now8165.0092.4.1

Permissions & access

Permissions
storageactiveTabsidePanelwebRequestscriptingtabs
Host access
http://*/*, https://*/*

Screenshots

Test API screenshot 1

About

This powerful API Testing Online solution eliminates the need for external applications when working with endpoints efficiently. 🚀
The Test API Chrome extension provides a comprehensive tool directly in your browser.

Whether you are experienced or learning how to test api requests properly, this extension serves as your ultimate HTTP caller companion. The interface makes it simple to perform any endpoint call, from basic GET requests online to API Test Online operations and complex RESTful scenarios.

🔧 Key features that make this the ultimate API Tester Tool:
1️⃣ Instant api endpoint test functionality without leaving your browser
2️⃣ Complete HTTP request online capabilities for all major HTTP methods
3️⃣ Advanced options with custom headers and parameters
4️⃣ Real-time response visualization for effective Online API Test work

The extension excels at handling various request types, making it perfect for validating service endpoints across different scenarios. You can easily execute a Test get request, perform a Post request for online operations, or handle any web request with ease. The intuitive design streamlines your development workflow significantly.

🎯 Advanced API Test Online capabilities include:
➤ Custom header configuration for authenticated endpoint scenarios
➤ JSON, XML, and form data support for comprehensive test post request operations
➤ Response time monitoring for test rest api online workflow

Understanding the restful api testing properly becomes effortless with our comprehensive environment.
The extension provides detailed response information, including status codes, headers, and formatted response bodies for thorough analysis.
The user-friendly design ensures that even complex RESTful API endpoint scenarios remain manageable and straightforward. Whether you're debugging a single test REST API or managing multiple workflows, the interface adapts perfectly to your needs. 💡

🔒 Security-conscious developers appreciate the local processing approach - all your data remains within your browser environment. This Rest API Test Online Tool never transmits sensitive information to external servers, making it ideal for validating internal services and sensitive endpoints.

📋 Professional workflow benefits include:
♦️ Streamlined development cycles with instant test api endpoint
♦️ Reduced context switching between multiple tools and applications
♦️ Enhanced productivity through integrated capabilities
♦️ Simplified service documentation and endpoint validation processes

🌍 Common use cases where this solution excels:
🌐 Quick endpoint debugging during development cycles
🌐 Educational purposes for learning how to build HTTP request fundamentals
🌐 Integration for third-party services, including http post test scenarios
🌐 Rapid prototyping and service exploration workflows
🌐 Quality assurance test post requests for production endpoints

This postman alternative supports all standard HTTP methods essential for modern Online service validation practices. From simple GET operations to complex PATCH requests, every test HTTP request type is fully supported with detailed response analysis and comprehensive error handling.

The extension handles authentication seamlessly, supporting various methods from basic auth to complex OAuth flows. This makes it excellent for testing protected endpoints, where proper authentication is crucial for successful operations. Bearer tokens, API keys, and custom authentication schemes are all fully supported.

❓ Frequently Asked Questions:
📌 How do I start using this Tool?
💡 Install the extension, click the icon, and start creating your first HTTP call. The intuitive interface guides you through the process step by step.
📌 Can I test APIs that require authentication?
💡 Yes! Supports API keys, OAuth, Bearer tokens, and custom headers for various authentication methods and scenarios.
📌 Is my data secure using this Test API Online tool?
💡 All the data is processed locally in your browser for maximum privacy. No data is transmitted to external servers.
📌 Does it work with different endpoint types?
💡 Absolutely! Works seamlessly with REST, GraphQL endpoints, SOAP services, and any HTTP-based interface.
📌 Is there a limit to request size or frequency?
💡 No artificial limits are imposed. You can build large payloads and make multiple requests as needed for comprehensive HTTP validation.

Regular updates ensure compatibility with the latest web standards and WEB technologies, making this tool a reliable solution for all your needs. Join thousands of developers who trust this extension for daily work with Post request online, workflows, and streamlined development processes! ⚡

Technical

Version
2.4.1
Manifest
V3
Size
214KiB
Min Chrome
88
Languages
52
Featured
Yes

Metadata

ID
bkndipmbnodeicgpmldococoiolcoicg
Developer ID
u8c16e2f3a179759394a4a38f70568abe
Developer Email
[email protected]
Created
Jun 24, 2025
Last Updated (Store)
Apr 8, 2026
Last Scraped
Jun 23, 2026
Website
test-api.app
Support URL

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Data sourced from the Chrome Web Store · last verified Jun 23, 2026.