> ## Documentation Index
> Fetch the complete documentation index at: https://api.synthesis.trade/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Get Polymarket Price History

> Get price history for a Polymarket market.



## OpenAPI

````yaml /openapi.json get /api/v1/polymarket/market/{token_id}/price-history
openapi: 3.1.0
info:
  title: Synthesis API
  version: 1.0.0
  description: Unified prediction market API for Polymarket and Kalshi.
servers:
  - url: https://synthesis.trade
security: []
tags:
  - name: Projects
    description: Create and manage project accounts, sessions, and account API keys.
  - name: Accounts
    description: >-
      Authenticate and manage account-level sessions, account API keys, and
      public account preferences.
  - name: Markets
    description: Unified market discovery and analytics across Polymarket and Kalshi.
  - name: Polymarket
    description: Polymarket market data, prices, orderbooks, trades, and holders endpoints.
  - name: Kalshi
    description: Kalshi market data, events, history, leaderboard, and profile endpoints.
  - name: Wallets
    description: Wallet management routes. Each wallet supports multiple chains.
  - name: Polygon
    description: >-
      Polygon wallet routes for balances, orders, minting, redemption,
      withdrawals, and swaps.
  - name: Polygon Copytrades
    description: Polymarket copytrade configuration and management for Polygon wallets.
  - name: Solana
    description: >-
      Solana wallet routes used for Kalshi balances, KYC, orders, redemption,
      and withdrawals.
  - name: News
    description: News endpoints with market and event matching.
  - name: WebSockets
    description: >-
      Real-time streaming endpoints for orderbooks, trades, balances, and live
      data feeds.
paths:
  /api/v1/polymarket/market/{token_id}/price-history:
    get:
      tags:
        - Polymarket
      summary: Get Polymarket Price History
      description: Get price history for a Polymarket market.
      operationId: get-polymarket-market-price-history
      parameters:
        - name: token_id
          in: path
          required: true
          description: Polymarket token ID.
          schema:
            type: string
            example: >-
              21742633143463906290569050155826241533067272736897614950488156847949938836455
        - name: interval
          in: query
          required: false
          description: >-
            Time interval. Supported values: `1h`, `6h`, `1d`, `1w`, `1m`,
            `all`.
          schema:
            type: string
            default: 1h
            example: 1d
        - name: volume
          in: query
          required: false
          description: Include volume data.
          schema:
            type: boolean
            default: true
      responses:
        '200':
          description: Polymarket price history
          content:
            application/json:
              example:
                success: true
                response:
                  prices: []
                  ohlc:
                    - time: 1736937000
                      open: 0.61
                      high: 0.65
                      low: 0.6
                      close: 0.64
                  volume:
                    - 1250.5
      security: []

````