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

# Get midpoint prices (query parameters)

> Retrieves midpoint prices for multiple token IDs using query parameters. The midpoint is calculated as the average of the best bid and best ask prices.



## OpenAPI

````yaml openapi/zh/polymarket-clob.json POST /apis/v1/polymarket/midpoints
openapi: 3.1.0
info:
  description: ''
  title: Polymarket Clob
  version: '1'
  x-aisa-capabilities:
    idempotency: Idempotency-Key
    max_price: X-AISA-Max-Price-USD
    quote:
      header: X-AISA-Cost-Mode
      value: quote
  x-aisa-configured-paths:
    - /apis/v1/polymarket/batch-prices-history
    - /apis/v1/polymarket/book
    - /apis/v1/polymarket/books
    - /apis/v1/polymarket/builder/trades
    - /apis/v1/polymarket/cancel-all
    - /apis/v1/polymarket/cancel-market-orders
    - /apis/v1/polymarket/clob-markets/{condition_id}
    - /apis/v1/polymarket/data/orders
    - /apis/v1/polymarket/fee-rate
    - /apis/v1/polymarket/fee-rate/{token_id}
    - /apis/v1/polymarket/heartbeats
    - /apis/v1/polymarket/last-trade-price
    - /apis/v1/polymarket/last-trades-prices
    - /apis/v1/polymarket/markets-by-token/{token_id}
    - /apis/v1/polymarket/midpoint
    - /apis/v1/polymarket/midpoints
    - /apis/v1/polymarket/order
    - /apis/v1/polymarket/order-scoring
    - /apis/v1/polymarket/order/{orderID}
    - /apis/v1/polymarket/orders
    - /apis/v1/polymarket/price
    - /apis/v1/polymarket/prices
    - /apis/v1/polymarket/prices-history
    - /apis/v1/polymarket/rebates/current
    - /apis/v1/polymarket/rewards/markets/current
    - /apis/v1/polymarket/rewards/markets/multi
    - /apis/v1/polymarket/rewards/markets/{condition_id}
    - /apis/v1/polymarket/rewards/user
    - /apis/v1/polymarket/rewards/user/markets
    - /apis/v1/polymarket/rewards/user/percentages
    - /apis/v1/polymarket/rewards/user/total
    - /apis/v1/polymarket/sampling-markets
    - /apis/v1/polymarket/sampling-simplified-markets
    - /apis/v1/polymarket/simplified-markets
    - /apis/v1/polymarket/spread
    - /apis/v1/polymarket/spreads
    - /apis/v1/polymarket/tick-size
    - /apis/v1/polymarket/tick-size/{token_id}
    - /apis/v1/polymarket/time
    - /apis/v1/polymarket/trades
  x-aisa-document:
    facts_hash: cb2482955528ad5270b2f3cf84d72a7f4ada570d5e717c4d116ddc6ef1099af2
    generator_version: '2'
    protocol_version: '1'
    schema_version: '1'
    composer_version: '13'
    response_pending: []
    document_hash: sha256:40638f56dd77ff988621358162b7f238b3c7ced8cc4eb76ecd1ba9d2f4b68fc9
  x-aisa-plans:
    builder: 1
    display_plan: payg
    payg: 1
    similarweb_payg: 1
    team: 1
    version: e70a0959cd1b93b84ae16dffd7a538273ddb9c1d46277b82823c37ff1b6bc0fb
  x-aisa-provider: polymarket-clob
  x-aisa-catalogs:
    polymarket-clob:
      title: Polymarket Clob
      description: ''
      x-aisa-document:
        facts_hash: cb2482955528ad5270b2f3cf84d72a7f4ada570d5e717c4d116ddc6ef1099af2
        generator_version: '2'
        protocol_version: '1'
        schema_version: '1'
      x-aisa-plans:
        builder: 1
        display_plan: payg
        payg: 1
        similarweb_payg: 1
        team: 1
        version: e70a0959cd1b93b84ae16dffd7a538273ddb9c1d46277b82823c37ff1b6bc0fb
      x-aisa-capabilities:
        idempotency: Idempotency-Key
        max_price: X-AISA-Max-Price-USD
        quote:
          header: X-AISA-Cost-Mode
          value: quote
servers:
  - url: https://api.aisa.one
security:
  - bearerAuth: []
paths:
  /apis/v1/polymarket/midpoints:
    post:
      tags:
        - default
      summary: Get midpoint prices (query parameters)
      description: >-
        Retrieves midpoint prices for multiple token IDs using query parameters.
        The midpoint is calculated as the average of the best bid and best ask
        prices.
      operationId: post_any_polymarket_clob_apis_v1_polymarket_midpoints
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: array
              items:
                type: object
                required:
                  - token_id
                properties:
                  token_id:
                    type: string
                    description: Token ID (asset ID)
                    example: 0xabc123def456...
                  side:
                    type: string
                    description: Order side (optional, not used for midpoint calculation)
                    enum:
                      - BUY
                      - SELL
                    example: BUY
            example:
              - token_id: 0xabc123def456...
              - token_id: 0xdef456abc123...
      responses:
        '200':
          description: Successfully retrieved midpoint prices
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  type: string
                description: Map of token ID to midpoint price
              example:
                0xabc123def456...: '0.45'
                0xdef456abc123...: '0.52'
        default:
          content:
            application/json:
              schema: {}
          description: >-
            Error response; upstream passthrough responses may use provider
            formats
components:
  securitySchemes:
    bearerAuth:
      scheme: bearer
      type: http

````

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