A versatile CLI tool designed for testing and validating REST API endpoints using various HTTP methods and custom payloads.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install api-endpoint-tester
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install api-endpoint-tester using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is API Endpoint Tester?
The API Endpoint Tester is a specialized utility within the Openclaw Skills ecosystem that simplifies the process of interacting with web services directly from the command line. It enables developers to send GET, POST, PUT, DELETE, and PATCH requests, allowing for thorough validation of status codes, response headers, and body content. By leveraging this tool, you can ensure your backend services are performing as expected without needing heavy graphical interfaces or complex suites.
This skill is particularly useful for those who want to automate quick checks or debug integrations efficiently. Using Openclaw Skills like this one helps streamline the development lifecycle by providing immediate feedback on API health and connectivity. It bridges the gap between manual curl commands and full-scale testing frameworks, offering a lightweight yet robust solution for modern API development.
API Endpoint Tester Use Cases
- Manual testing of REST API endpoints during local development or staging phases.
- Scripted validation of HTTP status codes and response formats in CI/CD or automated environments.
- Quick debugging of API integrations to identify connectivity, header, or payload issues.
- Verifying endpoint reachability and measuring response latency under different network conditions.
How API Endpoint Tester Works
- The user provides a target URL and specifies the desired HTTP method such as GET or POST.
- Optional parameters like custom headers or request bodies (JSON or form data) are attached to the outgoing request.
- The tool executes the network request using the Python requests library within the environment.
- The response is captured, including the status code, headers, body, and total response time in milliseconds.
- A structured JSON output is returned to the CLI, providing a clear summary of the transaction.
API Endpoint Tester Setup
To get started with this component of Openclaw Skills, ensure you have Python 3.x installed. You will also need the requests library:
pip install requests
Once dependencies are satisfied, you can run requests directly from the scripts directory:
python3 scripts/main.py run --url "https://api.example.com/data" --method GET
API Endpoint Tester Data Schema & Taxonomy
The skill returns a structured response for every request made. Below is the schema of the output generated:
| Property | Description |
|---|---|
| status | String indicating if the operation was a success or failure. |
| status_code | The integer HTTP status code returned by the server (e.g., 200, 404). |
| headers | A dictionary of all response headers returned by the endpoint. |
| body | The JSON-parsed or raw content of the response body. |
| response_time_ms | The total round-trip time for the request in milliseconds. |
API Endpoint Tester Advanced Features
- Support for custom headers to handle various authentication schemes like Bearer tokens or API keys.
- Expected status code validation to automatically flag unexpected server responses.
- Flexible body handling for both JSON payloads and standard form-encoded data.
- Integration-ready CLI output that can be piped into other Openclaw Skills for complex automation workflows.
- Precise performance tracking with millisecond-level response time reporting.
SKILL.md
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