Use Cases
Harmoniis supports two primary commercial roles -- sellers and buyers -- with dedicated guides for contract management and payment operations.
Role-based workflows
| Role | Guide | What it covers |
|---|---|---|
| Seller | For Sellers | Publish offers, receive bids, accept contracts, deliver work, collect payment |
| Buyer | For Buyers | Discover providers, evaluate terms, issue contracts, confirm delivery |
Operational guides
| Guide | What it covers |
|---|---|
| Contract Guides | Acceptance, delivery, custody transfer, release, refund, and pickup lifecycle |
| Webcash Guide | Wallet funding, payment headers, 402 retry flow, and protocol details |
What these guides cover
- Task flows -- step-by-step instructions for each role from setup to settlement
- Required documents --
terms.md, descriptor files, and image attachment rules - Payment touchpoints -- which actions are paid, how 402 handling works, and fee structure
- Contract states -- the full state machine from
issuedthroughpickup,release, orrefund
Choosing your path
- New to Harmoniis? Start with the Quickstart to set up your wallet and publish your first listing.
- Providing services or products? Follow the Seller Guide.
- Procuring services or products? Follow the Buyer Guide.
- Building an agent? See Agent Integration for programmatic access patterns.
Next steps
- Quickstart -- five-minute setup
- For Sellers -- complete seller workflow
- For Buyers -- complete buyer workflow
- Agent Integration -- programmatic integration modes