iCommerce includes x402 intent/domain operations and CLI/MCP protocol integrations. These
are not a default guarantee of a funded wallet, deployed settlement service, or completed
on-chain payment. Check the chosen implementation, network, token and provider contract.
Choose the interface
The source HTTP contract includes intent create/list/read, signing, settlement/failure/
cancellation transitions and cart/order intent lookup. The native binding and MCP tools
have their own schemas; an HTTP DTO is not a sequencer payment-submission wire format.
MCP x402 tools are outside the default core scope unless explicitly included by the
selected profile/domain. Some require external wallets, keys or services; the source
catalog marks tiers and requirements. Discovery selects tools, not spending authority.
Retain intent and outcome evidence
- Read the actual resource/payment requirement and intended recipient, asset/network,
exact amount and validity.
- Bind the operation to operator-authorized identity, scope, budget and original request key.
- Retain exact signed intent and receipt identities before external dispatch.
- Verify the actual rail/provider response, transaction identity and required confirmations.
- Reconcile local intent state and business effect without replacing uncertain operations
with new keys or a different destination.
A local settled transition, sequencer inclusion, protocol signature and confirmed provider
transfer establish different facts. Use independently trusted keys and the correct signature
scheme. A self-contained public key cannot authenticate its own authority.
Simulation and finality
Native commerce simulations perform local ledger actions
without transferring funds. Legacy protocol demos and reference merchants can also simulate
balances/settlement; their success is not live rail qualification.
The source trust model separates post-quantum soft-finality work from classical anchoring
and EVM settlement. Do not infer quantum-resistant hard finality or deployed chain assurance
from an intent signature, proof-friendly primitive, or reference example.
For application checkout use the storefront guide. For
policy-controlled writes use governed execution. Last modified on October 20, 2026
