openapi: 3.1.0
info:
  title: Polygon Crypto REST Aggregates DailyBars API
  version: '1.0'
  description: 'Polygon Crypto API exposes aggregated cross-exchange data for crypto

    pairs (e.g., X:BTCUSD) via `https://api.polygon.io`. This spec

    covers aggregates, daily open/close, snapshots, and level-2 books.

    Auth uses an API key via `apiKey` query parameter or

    `Authorization: Bearer`.

    '
  contact:
    name: Polygon Documentation
    url: https://polygon.io/docs/crypto
servers:
- url: https://api.polygon.io
  description: Polygon REST API
security:
- apiKeyQuery: []
- bearerAuth: []
tags:
- name: DailyBars
  description: Daily open/close.
paths:
  /v1/open-close/crypto/{from}/{to}/{date}:
    get:
      tags:
      - DailyBars
      operationId: getCryptoDailyOpenClose
      summary: Get Daily Open Close For A Crypto Pair
      description: Get the open/close prices on a specific date for a crypto pair.
      parameters:
      - in: path
        name: from
        required: true
        schema:
          type: string
      - in: path
        name: to
        required: true
        schema:
          type: string
      - in: path
        name: date
        required: true
        schema:
          type: string
          format: date
      responses:
        '200':
          description: Crypto daily open/close response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CryptoDailyOpenCloseResponse'
  /v1/open-close/{stocksTicker}/{date}:
    get:
      tags:
      - DailyBars
      operationId: getStocksDailyOpenClose
      summary: Get Daily Open Close For A Stock Ticker
      description: Returns the open, close, high, and low for a stock ticker on a specific date.
      parameters:
      - in: path
        name: stocksTicker
        required: true
        schema:
          type: string
      - in: path
        name: date
        required: true
        schema:
          type: string
          format: date
      - in: query
        name: adjusted
        schema:
          type: boolean
          default: true
      responses:
        '200':
          description: Daily open/close response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DailyOpenCloseResponse'
  /v2/aggs/grouped/locale/us/market/stocks/{date}:
    get:
      tags:
      - DailyBars
      operationId: getStocksGroupedDailyBars
      summary: Get Grouped Daily Bars For US Stocks
      description: Returns daily aggregate bars for all US stock tickers on a specific date.
      parameters:
      - in: path
        name: date
        required: true
        schema:
          type: string
          format: date
      - in: query
        name: adjusted
        schema:
          type: boolean
          default: true
      - in: query
        name: include_otc
        schema:
          type: boolean
          default: false
      responses:
        '200':
          description: Grouped daily bars response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AggregatesResponse'
  /v2/aggs/ticker/{stocksTicker}/prev:
    get:
      tags:
      - DailyBars
      operationId: getStocksPreviousClose
      summary: Get Previous Close For A Stock Ticker
      description: Returns the previous trading day's open, close, high, and low for a stock ticker.
      parameters:
      - in: path
        name: stocksTicker
        required: true
        schema:
          type: string
      - in: query
        name: adjusted
        schema:
          type: boolean
          default: true
      responses:
        '200':
          description: Previous close response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AggregatesResponse'
components:
  schemas:
    AggregatesResponse:
      type: object
      properties:
        ticker:
          type: string
        adjusted:
          type: boolean
        queryCount:
          type: integer
        resultsCount:
          type: integer
        status:
          type: string
        request_id:
          type: string
        count:
          type: integer
        next_url:
          type: string
          format: uri
        results:
          type: array
          items:
            $ref: '#/components/schemas/AggregateBar'
    DailyOpenCloseResponse:
      type: object
      properties:
        status:
          type: string
        from:
          type: string
          format: date
        symbol:
          type: string
        open:
          type: number
        high:
          type: number
        low:
          type: number
        close:
          type: number
        volume:
          type: number
        afterHours:
          type: number
        preMarket:
          type: number
    AggregateBar:
      type: object
      properties:
        T:
          type: string
          description: Ticker symbol (only present on certain endpoints).
        v:
          type: number
          description: Trading volume.
        vw:
          type: number
          description: Volume-weighted average price.
        o:
          type: number
          description: Open price.
        c:
          type: number
          description: Close price.
        h:
          type: number
          description: High price.
        l:
          type: number
          description: Low price.
        t:
          type: integer
          format: int64
          description: Unix millisecond timestamp.
        n:
          type: integer
          description: Number of transactions.
    CryptoDailyOpenCloseResponse:
      type: object
      properties:
        status:
          type: string
        symbol:
          type: string
        isUTC:
          type: boolean
        day:
          type: string
          format: date
        open:
          type: number
        close:
          type: number
        openTrades:
          type: array
          items:
            type: object
            additionalProperties: true
        closingTrades:
          type: array
          items:
            type: object
            additionalProperties: true
  securitySchemes:
    apiKeyQuery:
      type: apiKey
      in: query
      name: apiKey
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: API Key