US CUSTOMS PLAYGROUND
Get inside the engine.
Build a certification message. Inspect the validation. Follow the evidence from CBP.
Your invitation to US Customs
Explore the customs engine with your team. Your personal key opens the workspace assigned to you.
FourthPL · ABI CERT
Scenarios passed
—Evidence matches the test guideLocally validated
—Message structure checked by the engineRecorded attempts
—Shared ABI certification historySELECT A SCENARIO
Explore the certification engine
Run the engine
Build and validate a fresh preview using the current ABI engine.
Preview only. Sending to CBP will become available when the shared transmission queue is connected.
Recorded attempts
Select a scenario to see its evidence.
ANOTHER WAY IN
Use your own agent.
The same engine and evidence are available through MCP, with your personal access key.
Streamable HTTP · Authorization: Bearer <your key>
Requires a client that supports custom authorization headers.
Try: “Inspect ABI scenario 001, build a preview and explain its validation.”