> ## Documentation Index > Fetch the complete documentation index at: https://docs.polymarket.com/llms.txt > Use this file to discover all available pages before exploring further. # Get multiple market prices by request > Retrieves market prices for specified tokens and sides via POST request ## OpenAPI ````yaml api-reference/clob-subset-openapi.yaml post /prices openapi: 3.0.3 info: title: CLOB (Central Limit Order Book) API description: >- API for interacting with the Central Limit Order Book system, providing orderbook data, prices, midpoints, and spreads version: 1.0.0 contact: name: CLOB API Team license: name: MIT servers: - url: https://clob.polymarket.com/ description: Production server security: [] tags: - name: Orderbook description: Order book related operations - name: Pricing description: Price and midpoint operations - name: Spreads description: Spread calculation operations paths: /prices: post: tags: - Pricing summary: Get multiple market prices by request description: Retrieves market prices for specified tokens and sides via POST request requestBody: required: true content: application/json: schema: type: array items: $ref: '#/components/schemas/PriceRequest' maxItems: 500 example: - token_id: '1234567890' side: BUY - token_id: '0987654321' side: SELL responses: '200': description: Successful response content: application/json: schema: $ref: '#/components/schemas/PricesResponse' '400': description: Bad request - Invalid payload, exceeds limit, or invalid side content: application/json: schema: $ref: '#/components/schemas/Error' examples: invalid_payload: value: error: Invalid payload exceeds_limit: value: error: Payload exceeds the limit invalid_side: value: error: Invalid side '404': description: Order book not found content: application/json: schema: $ref: '#/components/schemas/Error' example: error: No orderbook exists for the requested token id '500': description: Internal server error content: application/json: schema: $ref: '#/components/schemas/Error' components: schemas: PriceRequest: type: object required: - token_id - side properties: token_id: type: string description: The unique identifier for the token example: '1234567890' side: type: string enum: - BUY - SELL description: The side of the market (BUY or SELL) example: BUY PricesResponse: type: object additionalProperties: type: object additionalProperties: type: string description: Map of token_id to side to price example: '1234567890': BUY: '1800.50' SELL: '1801.00' '0987654321': BUY: '50.25' SELL: '50.30' Error: type: object required: - error properties: error: type: string description: Error message describing what went wrong example: Invalid token id ````