🛠️ Scalar API Client: A Powerful API Testing Tool
Scalar API Client is a powerful API testing tool, similar to Postman, but designed with performance, flexibility, and developer-first principles in mind. It supports features such as watch mode, multiple server management, and cookie handling, making API development and testing seamless.
🔍 Overview
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Product Type: API Testing Tool
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Focus: API development, testing, and management.
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Key Uses: API request handling, environment management, real-time testing, and offline functionality.
🧠 Key Features
Scalar API Client offers a variety of features to streamline your API development and testing workflow:
🕵️♂️ Watch Mode
- Automatically re-runs requests upon changes, streamlining development workflows.
🌍 Multiple Server Support
- Manage and switch between multiple API servers effortlessly.
🍪 Cookie Management
- Handle authentication and session-based APIs with built-in cookie management.
🔗 API Framework Integration (Coming Soon)
- Stay in sync with your favorite server frameworks for real-time API testing.
🔌 Offline-First
- Designed to work offline, ensuring productivity even without an internet connection.
🤝 Collaboration (Paid Plan Feature)
- Synchronize API requests, environments, and collections with your team.
🖥️ Cross-Platform Support
- Available on Web, macOS, Linux, and Windows, allowing seamless work across environments.
📜 OpenAPI Support
- Fully compatible with OpenAPI, enabling automatic documentation and SDK generation.
🚀 No Vendor Lock-in
- Based entirely on OpenAPI Specification, ensuring portability across tools and platforms.
🌐 CORS Proxy
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Bypass browser CORS restrictions with Scalar’s public proxy.
⚙️ Getting Started
Installation
Download Scalar API Client for your platform:
Usage
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Create a new API request – Select GET, POST, PUT, DELETE, etc.
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Manage environments – Define variables for multiple servers.
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Enable watch mode – Auto-refresh on API changes by adding URL off openapi.json.
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Use OpenAPI Integration – Import/export API specs.
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Collaborate (Paid) – Share requests and tests with teammates.
⚖️ Comparisons with Postman
| Feature | Scalar API Client | Postman |
|---|---|---|
| Watch Mode | ✅ | ❌ |
| Multiple Servers | ✅ | ✅ |
| OpenAPI Support | ✅ | ✅ |
| Offline-First | ✅ | ❌ (Cloud Sync Focused) |
| Collaboration | ✅ (Paid) | ✅ (Paid) |
| Vendor Lock-In | ❌ (OpenAPI-Based) | ✅ (Proprietary Collections) |
| CORS Proxy | ✅ | ❌ |
🌍 Explore More
- API Frameworks & Integrations — Explore upcoming integrations and framework support.
📚 Resources
🏷️ Tags
scalarapi
api-testing
developer-tools
offline-first
crosproxy
watch-mode
openapi
cookie-management
api-collaboration