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Read Pyth Network prices

Put Pyth Network's composite prices, each a mid with its confidence interval, and its US Treasury par yields into your deployment's lake. You need chart 0.1.538 and CLI 0.1.60.

Pyth's Hermes API asks for an API key on every price. A key on Pyth's Starter plan serves crypto; its Pro plan serves every family: equities, currencies, metals, commodities, US Treasuries and rates.

  1. Launch it and approve its data role.
  2. Enter the Pyth API key on Settings: a secret setting, sent to Hermes alone. A feed your plan does not serve is refused by Hermes, and Connection says so.
  3. License its datasets on the Data sources page: crypto, fx, equity, metal and commodities, Pyth's composite prices, each a mid with its confidence interval; and rates, US Treasury constant-maturity par yields. Each starts from Pyth's subscription terms. Entitle the plugins that read them.

Read the prices with list_prices and the yields, a par yield curve's points, with list_rates. On a development deployment, Sample data answers from Pyth's feed catalogue and made-up prices, with no key.