> ## Documentation Index
> Fetch the complete documentation index at: https://blockscout-ap-erc-8056-envs.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Coin, Token, and Historical Exchange Rates

> Configure Blockscout exchange rate sources for coin, token, and historical price data, including split API and indexer setup behavior.

<Info>
  Info on [exchange rate ENVs](/setup/env-variables/backend-env-variables#exchange-rates)
</Info>

<Warning>
  If you are running a split API/Indexer setup: Token and History fetching runs in indexer mode while Coin fetching runs in API mode
</Warning>

Exchange rates can be gathered from a variety of sources and set for coins, tokens and historical rates.

Coin Exchange Rates

Select your preferred service for fetching exchange rates