::

  ZIP: 321
  Title: Payment Request URIs
  Owners: Kris Nuttycombe (kris@electriccoin.co)
          Daira Hopwood (daira@electriccoin.co)
  Status: Reserved
  Category: Wallet
  Discussions-To: <https://github.com/zcash/zips/issues/347>
  Pull-Request: <https://github.com/zcash/zips/pull/395>