Permissions
API key scopes for AI agents
Separate browsing from buying with scoped credentials.
Read the scopes guide ↗OrderCore / Field notes
Build agents that
finish the order.
Practical guides to checkout, retries and the systems around them. Written for developers putting AI agents to work.
Latest · Real API test · 23 September 2026
Again.
Still one order.
Enter The Replay Room: a 44-second visual story of an agent request, a retry and one order identity, backed by real sandbox results.
Watch The Replay Room ↗Real isolated sandbox / POST orders
CREATE201RETRY200CHANGE409Same key. Same body.
Same order ID.
Guides, tutorials & research
API documentation ↗Reliability
Order webhook retries: verify, deduplicate, apply once
Protect your receiver from repeated events with a durable inbox and a runnable offline demo.
Read the webhook retry guideGuide
Give your AI agent a checkout tool
Connect Claude or GPT to a catalog, checkout session and durable order record.
Read guideReliability
Idempotent orders for AI agents
Understand why retries create duplicates and where an idempotency key belongs.
Read reliabilityMCP
What is an MCP commerce server?
Learn how a commerce tool server connects an agent to catalog and checkout operations.
Read mcpTutorial
Build a “reorder my usual” agent tool
Turn an earlier order into a new, explicitly requested purchase with a clear retry boundary.
Read tutorialTutorial
GPT function calling and idempotent checkout
Walk through the tool loop and a checkout retry that resolves to one order.
Read tutorialComparison
OrderCore vs Stripe Agent Toolkit
Compare payment tools with the catalog, order and checkout layer an agent needs.
Read comparisonComparison
OrderCore vs Stripe and a custom backend
See what you need to own when building an agent commerce backend yourself.
Read comparisonResearch
Agent commerce readiness in 2026
Read the published readiness study, its methodology and its limits.
Read researchFrom reading to running
Try the checkout retry yourself.
The offline demo completes the same checkout twice and checks that one order comes back. No API key or payment account required.
Run the offline demo