FREE / NON-BINDING

Preflight a proposed action

Run basic readiness checks before paying. READY is not ALLOW, and preflight never issues a formal receipt.

POST /api/preflight

STARTING POINT

Load a demo scenario

STEP 1 OF 4

These fields identify exactly what the agent wants the wallet to execute.

Chain Operation

Recipient or contract

Amount

USD

STEP 2 OF 4

The user or agent owner defines these rules before execution.

Spend cap

USD

Max slippage

BPS

Fee cap

USD

Allowlisted recipients Optional, comma separated

Deny unlimited approvals Require simulation Require verified contract

STEP 3 OF 4

TxSentinel validates supplied evidence; it does not claim to run an RPC simulation itself.

Simulation status Estimated fee

USD

Observed slippage

BPS

Contract source verified

Evidence boundary

The API treats these values as supplied evidence and includes that provenance in its response.

STEP 4 OF 4

READY

Review the proposal, then request a free non-binding readiness classification.

Step 1 of 4