ART-19 · Node 1 of 3 · Agentic Checkout Chain · OpenChainGraph

Agentic Checkout Protocol Selector

Input your merchant profile — platform, buyer type, AOV, agent-traffic appetite — to get a ranked protocol decision matrix across UCP, ACP, x402, and Visa TAP/VIC with a ready-to-wire stack recommendation. Outputs a §4 hash-anchored OpenChainGraph artifact.

Client-Side Zero PII §4 OpenChainGraph UCP · ACP · x402 · TAP ART-19 · v1.0.0

🔒 All inputs are processed locally in your browser. No data is transmitted. Do not enter real personal data — use synthetic or anonymised inputs only.

Merchant Profile

Merchant Platform

Primary Buyer Type

Average Order Value

Agent-Traffic Appetite

Geographic Focus

Technical Capability

Current Payment Stack (check all that apply)

Card networks (Visa/MC) ACH / bank transfer Digital wallets (Apple/Google Pay) Crypto / stablecoin BNPL Real-time payments (FedNow/RTP)

Protocol Decision Matrix

Recommended Stack Configuration

Protocol Compatibility Matrix

Protocol	Your Platform	Your Buyer Type	Your AOV Range	Agent-Ready

Regulatory & Compliance Notes