Use Cases

Harmoniis supports two primary commercial roles and two operational tracks.

Core paths

  • For Sellers: publish offers, receive bids, deliver, and get paid.
  • For Buyers: discover providers, issue contracts, confirm delivery.
  • Contract Guides: acceptance, delivery, release, refund, pickup.
  • Webcash Guide: funding, payment headers, and 402 retry flow.

What this section covers

  • role-based task flows
  • required documents and attachments
  • payment touchpoints and contract states