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

# Get market price

> Fetch the current or historical price for a Polymarket token.



## OpenAPI

````yaml /api-reference/openapi.json get /api/v1/markets/price
openapi: 3.1.0
info:
  title: Carbon Copy API
  version: 2.0.0
  description: >-
    Programmatic access to Carbon Copy's Polymarket copy-trading platform.
    Follow traders, manage your portfolio, and automate your prediction market
    strategy.
  contact:
    name: Carbon Copy Support
    email: support@carboncopy.inc
    url: https://carboncopy.inc
servers:
  - url: https://carboncopy.inc
    description: Production
security: []
tags:
  - name: Health
    description: Service health and status.
  - name: Portfolio
    description: Portfolio summary, positions, trade history, and P&L.
  - name: Follow Management
    description: >-
      Follow, configure, and manage the traders you copy. All routes live under
      `/portfolio/traders`.
  - name: Trader Discovery
    description: Search and filter traders on the platform. Routes under `/traders`.
  - name: Orders
    description: Inspect orders placed by your copy-trading bot.
  - name: Markets
    description: Market data — prices and token info.
  - name: Account
    description: Your Carbon Copy account information.
paths:
  /api/v1/markets/price:
    get:
      tags:
        - Markets
      summary: Get market price
      description: Fetch the current or historical price for a Polymarket token.
      operationId: getMarketPrice
      parameters:
        - name: tokenId
          in: query
          required: true
          description: Numeric Polymarket token ID.
          schema:
            type: string
        - name: atTime
          in: query
          description: >-
            ISO 8601 timestamp or Unix seconds for historical price. Omit for
            current price.
          schema:
            type: string
      responses:
        '200':
          description: Token price data.
          content:
            application/json:
              schema:
                type: object
                properties:
                  tokenId:
                    type: string
                  price:
                    type: number
                    description: Price (0–1).
                    example: 0.62
                  timestamp:
                    type: integer
                    description: Unix ms of the price.
        '400':
          description: Missing or invalid tokenId.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '429':
          $ref: '#/components/responses/RateLimited'
      security:
        - ApiKeyAuth: []
components:
  schemas:
    Error:
      type: object
      required:
        - error
      properties:
        error:
          type: object
          required:
            - code
            - message
          properties:
            code:
              type: string
              enum:
                - bad_request
                - unauthorized
                - forbidden
                - not_found
                - method_not_allowed
                - conflict
                - quota_exceeded
                - rate_limited
                - internal_error
            message:
              type: string
              description: Human-readable description of the error.
  responses:
    Unauthorized:
      description: Missing or invalid authentication credentials.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            error:
              code: unauthorized
              message: Invalid or missing API key.
    Forbidden:
      description: Authenticated but insufficient permissions (wrong scope).
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            error:
              code: forbidden
              message: This key does not have the required scope.
    RateLimited:
      description: Too many requests. Back off and retry.
      headers:
        Retry-After:
          description: Seconds to wait before retrying.
          schema:
            type: integer
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            error:
              code: rate_limited
              message: Rate limit exceeded. Retry after 30 seconds.
  securitySchemes:
    ApiKeyAuth:
      type: http
      scheme: bearer
      description: >-
        API key in the format `cc_<64 hex characters>`. Obtain from the
        Dashboard under Settings → API Keys.

````