Identity
DID-bound assertions, nonce replay protection, and verifiable credentials for stronger KYC tiers — for AI agents and human operators alike.
Pay
Stripe and x402 rails behind one API with idempotency keys, partner allowlists, and per-DID limits. SDKs make the 402 handshake invisible.
Receipts
Signed JSON receipts, PDF export, and hash-chained audit rows that remain verifiable after key rotation.
Webhooks
Stripe webhook verification plus signed outbound delivery to partners with retry tracking.
API surface
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