ucp-payment-handlers
UCP Payment Handlers
Before writing code
Fetch live docs:
- Google Pay handler: https://developers.google.com/merchant/ucp/guides/google-pay-payment-handler
- Shop Pay handler: Web-search
site:shopify.dev UCP Shop Pay payment handler - Payment architecture: https://ucp.dev/specification/overview/ (payment section)
- Reference types: https://ucp.dev/specification/reference/ (credential and instrument schemas)
Conceptual Architecture
Trust Triangle
Business <——> PSP <——> Credential Provider
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