Side by side
Frisby.js vs Schemathesis
Both stand on api testing tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan API
Frisby.js combines HTTP helpers, response assertions, schema checks, and Jest execution for REST API testing. Its free BSD-licensed package fits projects that want customizable JavaScript API tests.
Visit Frisby.js Free plan LinuxMacSelf-hosted+1
Schemathesis provides schema-based API testing with adaptive and stateful workflows, authentication options, and CI/CD integrations. It is free and self-hosted, with custom business-rule checks written in Python.
Visit SchemathesisThe facts
| Frisby.js | Schemathesis | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API | Linux, Mac, Self-hosted, Windows |
| Lowest paid plan | Not published | Free or on request |
| Plans published | None | 1 |
| Maker | Not published | Not published |
| Website | frisbyjs.com | schemathesis.io |
| On api testing tools | #23 of 34 | #19 of 34 |
Frisby.js: what it does well
- Free and open source
- Checks status, headers, JSON, body, and response time
- Supports custom assertions and Joi schemas
- Includes GET, POST, PUT, DELETE, and fetch methods
- Supports file uploads and request inspectors
What to know first
- Listed platform is API only
- Requires npm development-dependency installation
- No paid plan or trial terms listed
Schemathesis: what it does well
- Generates tests from OpenAPI and GraphQL schemas.
- Supports stateful, multi-step API workflows.
- Includes a GitHub Action, Docker image, and pytest integration.
- Exports JUnit, VCR, HAR, NDJSON, JSON, and Allure reports.
- Supports Bearer, Basic, and API key authentication.
What to know first
- Self-hosted deployment model.
- Custom business-rule checks use Python.
- Privacy policy says absolute data security cannot be guaranteed.
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