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10 repositories by Attention Score · May 8, 2026 – Nov 3, 2026 (UTC)

License: MIT
Tag: API testing
Clear all

1.schemathesis / schemathesis

Catch API bugs before your users do

hypothesis
pytest
swagger
cli
property-based-testing
graphql
+6 more

Python MIT3.7K total231 forks

+487 stars

from 3,252 · score 6.19

2.karatelabs / karate

Test Automation Made Simple

test-automation
assertions
testing-tools
mock-server
automated-testing
webdriver
+10 more

Java MIT9K total2K forks

+202 stars

from 8,802 · score 5.31

3.forwardemail / supertest

🕷 Super-agent driven library for testing node.js HTTP servers using a fluent API. Maintained for @forwardemail, @ladjs, @spamscanner, @breejs, @cabinjs, and @lassjs.

supertest
superagent
assertions
node

JavaScript MIT14K total786 forks

+112 stars

from 14,298 · score 4.73

4.Redocly / redocly-cli

⚒️ Redocly CLI makes OpenAPI easy. Lint/validate to any standard, generate beautiful docs, and more.

openapi-cli
openapi
openapi3
openapi31
redoc
redocly
+7 more

TypeScript MIT1.5K total237 forks

+107 stars

from 1,437 · score 4.68

5.scanapi / scanapi

Automated Integration Testing and Live Documentation for your API

python3
python-package
pypi-packages
scanapi
yaml
json
+6 more

Python MIT1.6K total142 forks

+93 stars

from 1,493 · score 4.54

6.microsoft / restler-fuzzer

RESTler is the first stateful REST API fuzzing tool for automatically testing cloud services through their REST APIs and finding security and reliability bugs in these services.

Python MIT3K total332 forks

+71 stars

from 2,893 · score 4.28

7.nightwatchjs / nightwatch

Integrated end-to-end testing framework written in Node.js and using W3C Webdriver API. Developed at @browserstack

nightwatch
javascript
nodejs
selenium
webdriver
end-to-end-testing
+8 more

JavaScript MIT12K total1.4K forks

+41 stars

from 11,913 · score 3.74

Shift-left API Integration | Auto-fix integration drift before integration. Specmatic turns API specifications into executable contracts, continuously verifying that every change made by AI coding agents and engineers stays true to the desired behaviour. Ship AI-ready APIs 10x faster, from intent to implementation, with Spec-Driven API Development.

contract-testing
microservices
contract-driven-development
cdd
specmatic
asyncapi
+10 more

Kotlin MIT401 total62 forks

+32 stars

from 369 · score 3.50

9.gavv / httpexpect

End-to-end HTTP and REST API testing for Go.

http
rest
json
websocket
testing
assertions

Go MIT2.7K total241 forks

+16 stars

from 2,707 · score 2.83

10.apiaryio / dreddArchived

Language-agnostic HTTP API Testing Tool

api-blueprint
dredd
swagger
api
testing
http
+13 more

JavaScript MIT4.2K total275 forks

+3 stars

from 4,211 · score 1.39

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