generated: '2026-07-19'
method: searched
source: https://docs.ethena.fi/technical-design/minting-usde/mint-and-redeem-contract-v2
scheme: contract-version
current_version: v2
detail: >-
  Ethena does not publish a dated API changelog feed; API evolution is tracked through the versioned
  Mint & Redeem smart contract and its migration notes. The recent window below is captured from the
  Mint and Redeem Contract V2 documentation.
entries:
- version: v2
  date: '2024-07-08'
  breaking: true
  contract: '0xe3490297a08d6fC8Da46Edb7B6142E4F461b62D3'
  highlights:
  - Mint & Redeem Contract upgraded from V1 to V2 at ~10:00 UTC (breaking change for whitelisted
    trading systems).
  - Base API host changed from https://api.ethena.fi to https://public.api.ethena.fi or
    https://private.api.ethena.fi (whitelisted-IP only).
  - rfq_id removed from the POST /order query parameters; it must instead be included inside the
    signed order body as order_id.
  - Security hardening, reduced risk surfaces, new user-requested workflow support, and additional
    controls around risk configurations.
- version: v1
  date: '2023-10'
  breaking: false
  contract: '0x2CC440b721d2CaFd6D64908D6d8C4aCC57F8Afc3'
  highlights:
  - Initial Mint & Redeem contract and RFQ minting API for USDe.