> ## 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 Market Prices

> Fetch current prices for a batch of market identifiers. Accepts both Polymarket token IDs and Kalshi market IDs. Maximum 1000 markets per request.



## OpenAPI

````yaml /openapi.json post /api/v1/markets/prices
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/markets/prices:
    post:
      tags:
        - Markets
      summary: Get Market Prices
      description: >-
        Fetch current prices for a batch of market identifiers. Accepts both
        Polymarket token IDs and Kalshi market IDs. Maximum 1000 markets per
        request.
      operationId: get-market-prices
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: array
              items:
                type: string
              description: >-
                Array of market identifiers. Accepts both Polymarket token IDs
                and Kalshi market IDs. Maximum 5000 markets per request.
              example:
                - >-
                  21742633143463906290569050155826241533067272736897614950488156847949938836455
                - KXBTC-25-T100000
      responses:
        '200':
          description: Current prices by market identifier
          content:
            application/json:
              example:
                success: true
                response:
                  prices:
                    '21742633143463906290569050155826241533067272736897614950488156847949938836455': 0.64
                    KXBTC-25-T100000:
                      'Yes': 0.58
                      'No': 0.42
      security: []

````