Api Testing
CheckedHelps with API, testing as part of testing, debugging, and quality assurance workflows.
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Showing Claude Code. One command installs this skill into any of the agents below.
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terminal$ npx skills add secondsky/claude-skills --skill api-testing -a claude-code Uses the open-source
skillsCLI and needs Node.js. Add-gto install it for your user instead of this project.
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Publisher
secondsky
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Live repository
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Automated safety checks
This skill passed all 6 checks. We read its files at one commit and looked for the things that make a skill dangerous to run — not for whether it works.
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Scanned secondsky/claude-skills at 8837836131.
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About this skill
What it does
This skill provides expert knowledge for testing HTTP APIs using Supertest (for TypeScript/JavaScript environments) and httpx/pytest (for Python). It enables AI agents to write, execute, and analyze API tests, aiding in debugging and quality assurance workflows. The provided examples demonstrate how to perform common operations like GET, POST, PUT, DELETE requests, as well as testing authentication and validating request bodies.
When to use it
- Automating API test suites for web applications.
- Debugging failing API endpoints during development.
- Ensuring the reliability of backend services through automated testing.
- Validating that APIs adhere to expected input requirements and return correct responses.
- Creating integration tests involving multiple API calls.
Key capabilities
- Supertest Integration (TypeScript/JavaScript): Provides code snippets for setting up and running tests using Supertest.
- httpx/pytest Support (Python): Offers expertise applicable to Python-based API testing frameworks.
- Request Method Testing: Demonstrates how to test GET, POST, PUT, and DELETE requests.
- Header & Query Parameter Handling: Includes examples for setting headers (e.g., Authorization) and using query parameters in requests.
- Authentication Testing: Shows how to incorporate authentication testing into API tests.
Example prompts
- "Write a Supertest test to verify the
/api/healthendpoint returns a 200 status code withstatus: 'ok'." - "Generate a Python httpx test for creating a user via POST request to
/api/usersand validate the response body contains an ID." - "Show me how to use Supertest to send a GET request to
/api/userswith page and limit query parameters."
Tips & gotchas
- Environment Setup: Requires Bun or npm for TypeScript/JavaScript testing, and httpx/pytest for Python.
- Application Context: The examples assume an existing application (
app) is available. You'll need to adapt the code to your specific API setup. - Authentication Details: Replace placeholder authentication tokens (e.g.,
Bearer token123) with valid credentials when testing authenticated endpoints.