# Ethereum Rewards API ## Overview The Ethereum Rewards API provides reliable access to **staking reward data** on the Ethereum network. It enables institutions, custodians, funds, and applications to retrieve daily rewards, vault information, and exportable reports for compliance and performance tracking. *** ### Purpose * Retrieve accurate staking rewards for Ethereum addresses * Access vault-level reward data (Stakewise V3) * Generate CSV exports for reporting and reconciliation *** ### Authentication * Uses **Bearer token** authentication * Header format: `Authorization: Bearer ` *** ### Data Freshness * Rewards are calculated every day * Historical backfill available from the date of first stake --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://kb.chorus.one/api-reference/ethereum-rewards-api.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.