Exponential Public API

openapi: 3.0.0
info:
  title: Yo Protocol Agent Public API
  version: '1.0'
  description: 'Public read API for the YO Protocol (by Exponential.fi). Fetch historical and current protocol- and address-level data for yoVaults: current snapshot (TVL, yield, underlying pools, allocation), pending redeem requests, historical yield and TVL time series, per-user deposit/withdraw history, per-user pending redemptions, and per-user P&L. No API key required. Endpoints are assembled verbatim from the per-endpoint OpenAPI fragments published on the docs API reference page.'
servers:
- url: https://api.yo.xyz
  description: Production
tags:
- name: Public
paths:
  /api/v1/public/vault/{chain}/{vaultAddress}/exposure:
    get:
      operationId: getVaultExposure
      summary: Current collateral exposure of a vault (underlying assets, USD value, share of allocation).
      description: No API key required. Works with most Morpho vaults today.
      tags:
      - Public
      parameters:
      - name: chain
        in: path
        required: true
        description: Chain slug, e.g. ethereum
        schema:
          type: string
      - name: vaultAddress
        in: path
        required: true
        description: Vault contract address
        schema:
          type: string
      responses:
        '200':
          description: Vault exposure breakdown
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/VaultExposureResponse'
components:
  schemas:
    ExposureEntry:
      type: object
      properties:
        assetId:
          type: string
        symbol:
          type: string
        chain:
          type: string
        exposureUsd:
          type: string
        exposurePct:
          type: string
    VaultExposureResponse:
      type: object
      properties:
        data:
          type: object
          properties:
            vault:
              type: object
              properties:
                id:
                  type: string
                name:
                  type: string
                tvlUsd:
                  type: string
            allocatedUsd:
              type: string
            underlying:
              type: array
              items:
                $ref: '#/components/schemas/ExposureEntry'
            collateral:
              type: array
              items:
                $ref: '#/components/schemas/ExposureEntry'
            uncollateralizedUsd:
              type: string
            uncollateralizedPct:
              type: string
        message:
          type: string
        statusCode:
          type: number