{"library":"certifi","type":"library","category":null,"description":"certifi provides Mozilla's carefully curated collection of Root Certificates for validating the trustworthiness of SSL certificates while verifying the identity of TLS hosts. Extracted from the Requests project, it exposes a single public API — certifi.where() — returning the filesystem path to the bundled cacert.pem. The current version is 2026.2.25 (versioned by release date). Releases are issued roughly every 1–3 months, tracking Mozilla's own CA store updates.","language":"python","status":"active","version":"2026.2.25","tags":["ssl","tls","certificates","ca-bundle","security","requests","urllib3","https"],"last_verified":"Tue Jun 09","install":[{"cmd":"pip install certifi","imports":["import certifi\ncertifi.where()","import certifi\npath = certifi.where()  # returns str path to cacert.pem"]},{"cmd":"pip install --upgrade certifi","imports":[]}],"homepage":null,"github":"https://github.com/certifi/python-certifi","docs":null,"changelog":null,"pypi":"https://pypi.org/project/certifi/","npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"compatibility":{"summary":{"python_range":"3.10–3.9","success_rate":100,"avg_install_s":1.5,"avg_import_s":0.05,"wheel_type":"wheel"},"url":"https://checklist.day/v1/registry/certifi/compatibility"}}