acp-dev-patterns
ACP Development Patterns
Before writing code
Fetch live docs:
- Checkout spec: Fetch
https://developers.openai.com/commerce/specs/checkout/for error codes and idempotency rules - Production guide: Fetch
https://developers.openai.com/commerce/guides/production/for operational requirements - Stripe integration: Web-search
site:docs.stripe.com agentic-commercefor PSP-side patterns - Changelog: Web-search
site:github.com agentic-commerce-protocol CHANGELOGfor latest changes
Pattern: Idempotency
Every POST request MUST include Idempotency-Key (UUID v4, max 255 chars).
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