Tier A Public Document

Public API Surface

Interface names only. Detailed payload schemas and defense internals remain restricted pre-release.

x402 Compatibility Commitments

  • Facilitator Endpoints: POST /verify, POST /settle, GET /health
  • Settlement Lifecycle: GET /settlements/:settlementRef, POST /reconcile
  • Payment Scheme: priv-stark/v1

Protocol Service Interfaces

  • PrivChainProtocol
  • PrivacyPoolService
  • CommitmentService
  • NullifierService
  • ProofVerificationService
  • SettlementService
  • CompliancePolicyService

Node and Query Interface Groups

  • NetworkQueryAPI
  • PoolQueryAPI
  • ProofQueryAPI
  • TransactionSubmissionAPI
  • SettlementQueryAPI

SDK and Wallet Surfaces

  • PrivClient
  • PrivFacilitatorClient
  • PrivWalletClient
  • PrivPaymentSession
  • PrivWallet
  • SignerSession
  • TransactionSigner

MCP and Operations Surfaces

  • privchain_pay
  • privchain_quote
  • privchain_balance
  • privchain_receipt
  • privchain_health
  • HealthAPI and ReadinessAPI
  • MetricsAPI and AuditEventAPI

Stability Bands

Stable: interface names listed here.
Evolving: method signatures and payload formats.
Restricted: proof internals, anti-abuse controls, and production thresholds.

Release Notes Policy

Detailed schema packs and implementation guides are published in staged drops aligned with security and partner-readiness gates.

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