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# Overview
Environment
Base URL
Production
https://api.medicare.healthsherpa.com/
Staging
https://api.medicare-staging.healthsherpa.com/
## API Versioning
The HealthSherpa Medicare Partner API currently has two versions, `v1` which authenticates with **API keys** and `v2` which authenticates via **OAuth**.
In addition, `v2` has support for passing **provider**, **drug**, and **pharmacy** data from your CRM to HealthSherpa for Medicare if you can guarantee data with Connecture IDs.
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