Proof before payment.
Keelson checks every purchase an AI agent makes against what the user signed, before PayPal pays. These docs show how, and how to check each step yourself.
Verify a real Alibi in one minuteALIBI=https://docs.keelson.finance/samples/01M6ZWZJHWRRHQEYNJAT7NMSV8.alibi
curl -sL "$ALIBI" \
| curl -s https://api.keelson.finance/v1/alibis/verify \
-H 'content-type: application/vnd.keelson.alibi.v1+json' \
-H "idempotency-key: docs-$RANDOM$RANDOM" --data-binary @- \
| jq -r '"\(.verdict) \(.mode)"'verified 2of2
TEE leg A · Intel TDX · up
TEE leg B · AWS Nitro · up
Alibi log · 883 leaves · 2 witnesses
Payments · PayPal sandbox
Read from production on Nov 12, 2026, when this site was built. The API reference covers 117 operations.