x402 pre-payment decision playbook
Prepare Coinbase Bazaar readiness for autonomous agent wallets
A service can be payable but still hard for agents to discover or trust. This playbook maps the decision to observable Ontario evidence so an agent can fail closed before payment.
Bazaar readiness
agent wallets
No-payment first
Decision question:
Can autonomous agent wallets rely on this x402 endpoint without unbounded or policy-violating wallet spend?
Only after autonomous agent wallets can inspect service metadata, manifest quality, readiness report, price clarity, and discovery fields. If the evidence is missing, stale, or contradictory, the agent should fail closed.
Required evidence
- Confirm the endpoint maps to a real payment resource for wallets that decide whether an autonomous agent may sign an x402 payment.
- Require service metadata, manifest quality, readiness report, price clarity, and discovery fields.
- Reject when there is missing service metadata, broken manifest, no report_id, or no clear payment resource.
- Link the final decision to a public report, manifest, benchmark row, or policy outcome.
Reject conditions
Reject or send to human review when there is missing service metadata, broken manifest, no report_id, or no clear payment resource.
Do not let a positive-looking badge or directory row override a stale or contradictory live check.
Agent workflow
- Start with the no-payment evidence path.
- Run the Ontario verifier or policy endpoint shown below.
- Compare live endpoint behavior against manifest and discovery metadata.
- Store the report_id or policy decision with the agent's payment log.
- Send the payment only when the agent's own policy allows it.
Command or probe
curl -X POST https://ontarioprotocol.com/api/x402/list-service/validate \
-H "Content-Type: application/json" \
-d '{"name":"Example API","endpoint_url":"https://example.com/api/paid-endpoint"}'
Primary Ontario surface: /api/x402/list-service/validate
Sourceability note
Search Console showed strong early position for /answers/coinbase-bazaar-readiness.
KPI: more can-pay decisions before signed payments.
Trust boundary
Ontario Protocol provides readiness and trust signals based on observable endpoint behavior,
manifest metadata, payment challenge behavior, report history, and public evidence. It does not
guarantee endpoint safety, service quality, financial outcome, or future behavior.