Polygon.io Official Python Client (Deprecated)

library 1.16.3 ·python deprecated

✓ verified Jun 28, 2026

http-networking data

The official Python client for Polygon.io's REST and Websocket APIs. This package (`polygon-api-client`) reached its end of life at version `1.16.3` and is no longer maintained. For active development, new features, and bug fixes, users should migrate to the successor library, `massive-api-client`.

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Resources

docspolygon.io/docs ↗

githubgithub.com/polygon-io/client-python ↗

packagepypi.org/project/polygon-api-client/ ↗

API endpoints

full doc /v1/registry/polygon-api-client

install /v1/registry/polygon-api-client/install

compatibility /v1/registry/polygon-api-client/compatibility