openapi: 3.1.0
info:
  title: X2Y2 Fi Chain General API
  version: '3.0'
servers:
- url: https://loan-api.x2y2.org/
- url: https://goerli-loan-api.x2y2.org/
security:
- sec0: []
tags:
- name: General
paths:
  /v3/sys/loanParam:
    get:
      tags:
      - General
      summary: Get System Params
      description: Retrieve system-level lending parameters including whitelisted collections, APR ranges, durations, token contracts, and fee settings.
      operationId: system-option
      responses:
        '200':
          description: '200'
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: object
                    properties:
                      whitelist:
                        type: array
                        items:
                          type: string
                        description: Contract addresses of collections in whitelist.
                      aprRange:
                        type: array
                        items:
                          type: integer
                        description: The range of APR when making offers.
                      duration:
                        type: array
                        items:
                          type: integer
                        description: The range of duration when making offers.
                      tokenContract:
                        type: array
                        items:
                          type: string
                        description: The acceptable currencies of loan offers. Currently only wETH is acceptable.
                      offerExpireRange:
                        type: array
                        items:
                          type: integer
                        description: The range of expirations since current timestamp when making offers.
                      adminFee:
                        type: integer
                        description: Current platform fee rate.
                      signatureExpireTime:
                        type: integer
                        description: The expire time for each signature.
                      minimumAmount:
                        type: integer
                        description: The minimum amount of an offer.
                      collections:
                        type: array
                        items:
                          type: object
                          properties:
                            nftAddress:
                              type: string
                            disableCollection:
                              type: integer
                              description: Is collection offer enabled for this collection.
                  code:
                    type: integer
                  msg:
                    type: string
                  t:
                    type: integer
components:
  securitySchemes:
    sec0:
      type: apiKey
      in: header
      name: X-API-KEY