129 lines
3.5 KiB
Markdown
129 lines
3.5 KiB
Markdown
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> ## Documentation Index
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> Fetch the complete documentation index at: https://docs.polymarket.com/llms.txt
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> Use this file to discover all available pages before exploring further.
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# Get midpoint prices (request body)
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> Retrieves midpoint prices for multiple token IDs using a request body.
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The midpoint is calculated as the average of the best bid and best ask prices.
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## OpenAPI
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````yaml /api-spec/clob-openapi.yaml post /midpoints
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openapi: 3.1.0
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info:
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title: Polymarket CLOB API
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description: Polymarket CLOB API Reference
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license:
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name: MIT
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identifier: MIT
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version: 1.0.0
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servers:
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- url: https://clob.polymarket.com
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description: Production CLOB API
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- url: https://clob-staging.polymarket.com
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description: Staging CLOB API
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security: []
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tags:
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- name: Trade
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description: Trade endpoints
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- name: Markets
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description: Market data endpoints
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- name: Account
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description: Account and authentication endpoints
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- name: Notifications
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description: User notification endpoints
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- name: Rewards
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description: Rewards and earnings endpoints
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- name: Rebates
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description: Maker rebate endpoints
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paths:
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/midpoints:
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post:
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tags:
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- Market Data
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summary: Get midpoint prices (request body)
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description: >
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Retrieves midpoint prices for multiple token IDs using a request body.
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The midpoint is calculated as the average of the best bid and best ask
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prices.
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operationId: getMidpointsPost
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requestBody:
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required: true
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content:
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application/json:
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schema:
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type: array
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items:
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$ref: '#/components/schemas/BookRequest'
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example:
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- token_id: 0xabc123def456...
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- token_id: 0xdef456abc123...
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responses:
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'200':
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description: Successfully retrieved midpoint prices
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content:
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application/json:
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schema:
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type: object
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additionalProperties:
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type: string
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description: Map of token ID to midpoint price
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example:
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0xabc123def456...: '0.45'
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0xdef456abc123...: '0.52'
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'400':
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description: Bad request - Invalid payload
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content:
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application/json:
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schema:
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$ref: '#/components/schemas/ErrorResponse'
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example:
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error: Invalid payload
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'500':
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description: Internal server error
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content:
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application/json:
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schema:
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$ref: '#/components/schemas/ErrorResponse'
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example:
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error: error getting the mid price
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security: []
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components:
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schemas:
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BookRequest:
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type: object
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required:
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- token_id
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properties:
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token_id:
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type: string
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description: Token ID (asset ID)
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example: 0xabc123def456...
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side:
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type: string
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description: Order side (optional, not used for midpoint calculation)
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enum:
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- BUY
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- SELL
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example: BUY
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ErrorResponse:
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type: object
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required:
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- error
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properties:
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error:
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type: string
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description: Error message
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code:
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type: string
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description: Machine-readable error code, when provided
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retry_after_seconds:
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type: integer
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description: Number of seconds to wait before retrying, when provided
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````
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