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

# Get builder fee rate history

> Returns the history of rate changes for the given builder code, newest first.



## OpenAPI

````yaml https://api.struct.to/openapi.json get /polymarket/builders/{builder_code}/fees/history
openapi: 3.1.0
info:
  title: Polymarket API
  description: >-
    RESTful API for querying Polymarket prediction markets data including
    events, markets, traders, holders, and real-time metrics
  license:
    name: ''
  version: 1.0.0
servers:
  - url: https://api.struct.to/v1
security: []
paths:
  /polymarket/builders/{builder_code}/fees/history:
    get:
      tags:
        - Builders
      summary: Get builder fee rate history
      description: >-
        Returns the history of rate changes for the given builder code, newest
        first.
      operationId: get_builder_fees_history
      parameters:
        - name: builder_code
          in: path
          description: Builder code.
          required: true
          schema:
            type: string
        - name: limit
          in: query
          description: Max entries (default 100, max 1000)
          required: false
          schema:
            type: integer
            format: int64
      responses:
        '200':
          description: Builder fee rate history
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/BuilderFeeRateHistoryEntry'
components:
  schemas:
    BuilderFeeRateHistoryEntry:
      type: object
      description: One observed transition for a builder code.
      required:
        - code
        - builder_maker_fee_rate_bps
        - builder_taker_fee_rate_bps
        - enabled
        - observed_at
      properties:
        code:
          type: string
        builder_maker_fee_rate_bps:
          type: integer
          format: int32
          minimum: 0
        builder_taker_fee_rate_bps:
          type: integer
          format: int32
          minimum: 0
        enabled:
          type: boolean
        observed_at:
          type: integer
          format: int64
          description: Unix-second timestamp of when this rate was observed.

````