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Tansy API Developer Portal

Tansy API provides read-only access to ACA 2026 prescription drug coverage data via PostgREST RPC.

Base URL (API): https://api.tansyapi.com
Docs: https://docs.tansyapi.com

What you can do

  • Search medications by name (RxNorm)
  • Check coverage of a drug in a plan
  • Retrieve cost sharing (copay / coinsurance) when available
  • List plans that cover a drug in a state

Keep API keys private

Do not embed API keys in browser/mobile apps. Use a server-side proxy or backend.

API calling pattern

All functions are called as RPC:

POST /rest/v1/rpc/{function_name}

Need an API key?

Go to Request Access.