openapi: 3.1.0
info:
  title: Olympus Protocol Metrics Health Treasury API
  version: 2.0.0
  description: Cacheable REST API for Olympus protocol metrics, treasury assets, and OHM supply. /operations routes are deprecated compatibility routes.
servers:
- url: https://treasury-subgraph-api.olympusdao.finance
  description: Olympus Protocol Metrics API
tags:
- name: Treasury
  description: Daily treasury asset holdings.
paths:
  /v2/treasury-assets/daily:
    get:
      summary: Daily treasury assets
      operationId: getDailyTreasuryAssets
      tags:
      - Treasury
      description: 'Returns individual treasury asset records for the requested date range: token symbol, address, chain, wallet, price, balance, and USD value — one row per (token, wallet, chain, block) combination.'
      parameters:
      - name: start
        in: query
        required: true
        schema:
          type: string
          format: date
        description: Inclusive UTC calendar start date (YYYY-MM-DD).
      - name: end
        in: query
        required: false
        schema:
          type: string
          format: date
        description: Inclusive UTC calendar end date (YYYY-MM-DD). Defaults to the latest published date.
      responses:
        '200':
          description: Treasury assets.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/TreasuryAsset'
        '400':
          description: Invalid date range.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    TreasuryAsset:
      type: object
      description: Individual treasury asset record for a given day.
      properties:
        date:
          type: string
          format: date
          description: UTC calendar date.
        tokenSymbol:
          type: string
          description: Token symbol (e.g. DAI, WETH).
        tokenAddress:
          type: string
          description: Token contract address.
        chain:
          type: string
          description: EVM chain name (e.g. Ethereum, Arbitrum, Base).
          enum:
          - Ethereum
          - Arbitrum
          - Base
          - Polygon
          - Fantom
          - Berachain
        wallet:
          type: string
          description: Treasury wallet address holding the asset.
        price:
          type: number
          format: double
          description: Token price in USD at snapshot block.
        balance:
          type: number
          format: double
          description: Token balance at snapshot block.
        value:
          type: number
          format: double
          description: USD value of the balance at snapshot block.
        block:
          type: integer
          description: Block number of the canonical snapshot.
    Error:
      type: object
      description: Error response.
      properties:
        error:
          type: string
          description: Human-readable error message.