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

# catalog

> Retrieve liquidation levels data for /liquidation_levels/catalog. Returns relevant metrics and indicators.



## OpenAPI

````yaml /api-reference/openapi.json get /liquidation_levels/catalog
openapi: 3.1.1
info:
  title: Alphractal API
  version: 0.3.0
  description: >-
    Alphractal API provides comprehensive cryptocurrency on-chain data including
    mining metrics, address analytics, block information, fee data, market
    indicators, supply metrics, exchange flows, and more.
servers:
  - url: https://api.alphractal.com
    description: Production server
security:
  - ApiKeyAuth: []
paths:
  /liquidation_levels/catalog:
    get:
      tags:
        - Liquidation Levels
      summary: catalog
      description: >-
        Retrieve liquidation levels data for /liquidation_levels/catalog.
        Returns relevant metrics and indicators.
      parameters:
        - name: asset
          in: query
          schema:
            type:
              - string
              - 'null'
          description: >-
            Cryptocurrency asset identifier (e.g. btc, eth, ada). Use lowercase
            ticker symbol.
          example: btc
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LiquidationLevelsCatalogResponse'
components:
  schemas:
    LiquidationLevelsCatalogResponse:
      type: object
      properties:
        assets:
          type:
            - array
            - 'null'
          items:
            type: string
        series:
          type:
            - array
            - 'null'
          items:
            $ref: '#/components/schemas/LiquidationLevelsSeriesInfo'
        exchanges:
          type:
            - array
            - 'null'
          items:
            type: string
      additionalProperties: false
    LiquidationLevelsSeriesInfo:
      type: object
      properties:
        timeframe:
          type:
            - string
            - 'null'
        lookback:
          type:
            - string
            - 'null'
        lastBucketTime:
          type:
            - string
            - 'null'
          format: date-time
        status:
          type:
            - string
            - 'null'
      additionalProperties: false
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-Api-Key
      description: >-
        API Key authentication. Include your API key in the X-Api-Key header for
        all requests.

````