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PyPI · #2283 most downloaded on PyPI
Adaptive API testing for OpenAPI and GraphQL
Last release today
04 Oct 2026
Ships fairly regularly
a new release about every 1 weeks
Nearly every release is documented
notes for 60 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
7 years old
490 releases · first in 2019
Support for type "file" for Swagger 2.0. #78
Support for x-nullable extension. #45
x-nullable extension. #45One column per quarter.
Support for the cookie parameter in OpenAPI 3.0 schemas. #21
Parametrizing tests from a pytest fixture via pytest-subtests. #58
pytest-subtests.
#58readers to loaders.parametrize parameters. filter_endpoint to endpoint and
filter_method to method.Using Parametrizer.from_{path,uri} is deprecated, use schemathesis.from_{path,uri} instead.
schemathesis.from_uri implies network calls.Deprecated
Parametrizer.from_{path,uri} is deprecated, use
schemathesis.from_{path,uri} instead.Possibly unhandled exception during hasattr check in is_schemathesis_test.
hasattr check in
is_schemathesis_test.Resolving all inner references in objects. #34
Parametrizer.from_uri method to construct parametrizer instances from URIs. #24
Parametrizer.from_uri method to construct parametrizer instances
from URIs. #24Parametrizer.parametrize and custom
Parametrizer kwargs for passing config options to
hypothesis.settings. Use hypothesis.settings decorators on tests
instead.Handle errors during collection / executions as failures.
re.search for pattern matching in
filter_method/filter_endpoint instead of fnmatch. #18Case.body contains properties from the target schema, without the
extra level of nesting.KeyError on collection when "basePath" is absent. #16- Initial public release
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