Contract Testing Python Packages

pact-python

Python version of Pact. Enables consumer driven contract testing, providing a mock service and DSL for the consumer project, and interaction playback and verification for the service provider project.

738K 665 148

pact-python-ffi

416K 665 148

pact-python-cli

22K 665 148

django-contract-tester

Test utility for validating Django APIs against their OpenAPI specification

16K 18 4

specfact-cli

The Swiss-knife CLI for validation and alignment in software delivery. Keep backlog intent, specs, tests, and code in sync across AI-assisted and brownfield delivery.

9K 15 1

surety

A Python framework for contract testing in CI/CD pipelines. Validates communication boundaries between services without requiring a shared environment.

6K 1 0

excelalchemy

Schema-driven Python library for typed Excel import/export workflows with Pydantic, locale-aware workbooks, pluggable storage, and contract-tested architecture.

4K 10 1

cvt-sdk

Contract validation toolkit for OpenAPI v2/v3 specifications. Validate HTTP interactions against OpenAPI schemas, detect breaking changes, and check deployment safety.

2K 1 1

ai-prompt-runner

Deterministic stateless multi-provider AI prompt runner for CLI, scripts, and CI workflows with contract-driven structured outputs.

2K 1 0

fild

Fild is an open-source Python library for generating test data and fixtures for automated testing.

875 1 0

pypony

A magical python CLI tool to contract test an API against its OAS

428 4 0

asyncapi-payload-validator

Validate JSON payloads against AsyncAPI specifications with detailed error reporting

259 2 0

llm-assert

DEPRECATED: llm-assert has been renamed to callspec. Install with: pip install callspec

181 0 0

callspec

Contract testing for LLM tool calls.

97 0 0

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