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OpenAPI Specification

openapi: 3.2.0
info:
  title: Liquity Protocol V1 Supply API
  description: 'The Liquity static JSON API at api.liquity.org covers circulating supplies, protocol stats, stability pool data, prices, governance epochs, yield opportunities, borrow rates, and a points leaderboard. Data is generated on-chain and published as flat files to GitHub Pages. Liquity V1 issues LUSD stablecoin backed by ETH. Liquity V2 (BOLD) supports multi-collateral borrowing with WETH, wstETH, and rETH.

    '
  version: 1.0.0
  contact:
    name: Liquity Team
    url: https://www.liquity.org/
  license:
    name: MIT
    url: https://opensource.org/licenses/MIT
  termsOfService: https://www.liquity.org/terms
servers:
- url: https://api.liquity.org
  description: Liquity API (GitHub Pages)
tags:
- name: V1 Supply
  description: Liquity V1 circulating supply and BAMM stats endpoints.
paths:
  /v1/lusd_total_supply.txt:
    get:
      operationId: getLusdTotalSupply
      summary: LUSD Total Supply
      description: 'Returns the current total supply of LUSD stablecoin as a plaintext decimal number, derived from on-chain contract state via Ethers.js.

        '
      tags:
      - V1 Supply
      responses:
        '200':
          description: LUSD total supply as a plaintext number.
          content:
            text/plain:
              schema:
                type: string
                description: Decimal numeric string representing total LUSD supply.
                example: '142857123456789000000000000'
  /v1/lqty_circulating_supply.txt:
    get:
      operationId: getLqtyCirculatingSupply
      summary: LQTY Circulating Supply
      description: 'Returns the current circulating supply of LQTY governance token as a plaintext decimal number.

        '
      tags:
      - V1 Supply
      responses:
        '200':
          description: LQTY circulating supply as a plaintext number.
          content:
            text/plain:
              schema:
                type: string
                description: Decimal numeric string representing LQTY circulating supply.
                example: '85000000000000000000000000'
  /v1/lusd_cb_bamm_stats.json:
    get:
      operationId: getLusdChickenBondsBammStats
      summary: LUSD Chicken Bonds BAMM Stats
      description: 'Returns JSON with BAMM (B.AMM) debt and 7-day, 14-day, and 30-day APR figures for the LUSD Chicken Bonds stability pool integration with B.Protocol.

        '
      tags:
      - V1 Supply
      responses:
        '200':
          description: LUSD Chicken Bonds BAMM statistics.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BammStats'
              example:
                timestamp: '2025-08-29T05:00:00Z'
                bamm_debt: 1525216.022184752
                bamm_apr_7d: 0
                bamm_apr_14d: 0
                bamm_apr_30d: 0
components:
  schemas:
    BammStats:
      type: object
      description: BAMM stability pool statistics for LUSD Chicken Bonds.
      properties:
        timestamp:
          type: string
          format: date-time
          description: ISO 8601 timestamp when metrics were captured.
          example: '2025-08-29T05:00:00Z'
        bamm_debt:
          type: number
          format: double
          description: Outstanding BAMM debt amount.
          example: 1525216.022184752
        bamm_apr_7d:
          type: number
          description: 7-day annualized percentage rate for BAMM.
          example: 0
        bamm_apr_14d:
          type: number
          description: 14-day annualized percentage rate for BAMM.
          example: 0
        bamm_apr_30d:
          type: number
          description: 30-day annualized percentage rate for BAMM.
          example: 0
      required:
      - timestamp
      - bamm_debt
      - bamm_apr_7d
      - bamm_apr_14d
      - bamm_apr_30d
externalDocs:
  description: Liquity API GitHub Repository
  url: https://github.com/liquity/api.liquity.org