SDK

mountTrustGate

Express middleware that mounts AgentTrust x402 routes.

In progress

mountTrustGate(app, config) adds /verify, /receipt, /settle, and /dispute handlers to an Express service. The SDK enforces the atomicity config before binding routes.

Source	Path
Express middleware	`trustgate/sdk/src/express.ts`
x402 helpers	`trustgate/sdk/src/x402.ts`
atomicity tests	`trustgate/sdk/test/atomicity.test.ts`

gatePayment

Read-only TrustGate SDK decision call for facilitators.

Atomic-tx invariant

SDK and facilitator rules that keep policy checks tied to settlement.