Bitwise

Bitwise Funds API

Per-fund market data (NAV, AUM, holdings, performance).

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OpenAPI Specification

openapi: 3.1.0
info:
  title: Bitwise ETFs Funds API
  version: v1
  description: Read-only market-data API for Bitwise indexes, ETFs, and fund data. Returns index metadata, historical daily index values, index constituents with prices/supplies/weights, per-fund data (market price, NAV, AUM, holdings, crypto-per-share, performance), and ETF listings and details. Endpoints and the authentication model are derived from the provider's published Postman collection at https://developers.bitwiseinvestments.com/; base host and error envelope were confirmed by live probe of https://api.bitwiseinvestments.com.
  contact:
    name: Bitwise API Support
    email: api@bitwiseinvestments.com
    url: https://developers.bitwiseinvestments.com/
  termsOfService: https://bitwiseinvestments.com/terms-of-service
servers:
- url: https://api.bitwiseinvestments.com
  description: Production
security:
- apiKeyAuth: []
tags:
- name: Funds
  description: Per-fund market data (NAV, AUM, holdings, performance).
paths:
  /api/v1/fundData/{fundName}:
    get:
      operationId: getFundData
      tags:
      - Funds
      summary: Get fund data
      description: Returns data for the specified fund, including market price, intra-day NAV, previous-day NAV, AUM, price change, performance, shares outstanding, holdings, crypto-per-share, and return.
      parameters:
      - name: fundName
        in: path
        required: true
        description: Fund identifier (e.g. defiFund).
        schema:
          type: string
          example: defiFund
      responses:
        '200':
          description: Fund data.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FundData'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  responses:
    Unauthorized:
      description: Authentication credentials were missing or incorrect.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            message: Authentication credentials were missing or incorrect.
            id: unauthorized_request
            errors:
            - field: apiKey
              message: Invalid or missing API key
  schemas:
    Error:
      type: object
      description: Bitwise error envelope (not RFC 9457).
      properties:
        message:
          type: string
        id:
          type: string
          description: Machine-readable error identifier.
        errors:
          type: array
          items:
            type: object
            properties:
              field:
                type: string
              message:
                type: string
    FundData:
      type: object
      properties:
        marketPrice:
          type: number
        intraDayNav:
          type: number
        previousDayNav:
          type: number
        aum:
          type: number
        priceChange:
          type: number
        sharesOutstanding:
          type: number
        cryptoPerShare:
          type: number
  securitySchemes:
    apiKeyAuth:
      type: apiKey
      in: header
      name: Authorization
      description: API key sent in the Authorization header. Request a key from api@bitwiseinvestments.com.
x-apievangelist-generated: '2026-07-18'
x-apievangelist-method: derived
x-apievangelist-source: postman/bitwise-collection.json (published collection https://developers.bitwiseinvestments.com/)