Construction and source questions
Start with the public source registry, jurisdiction playbooks, and reliability monitor. For legally significant decisions, contact the official building department or authority having jurisdiction.
Inspect source reliabilityDeveloper and payment support
Review the API reference, MCP connection, A2A Agent Card, and truthful x402 settlement status. When a paid request fails after settlement, retain the transaction hash; never send private keys or API secrets.
Check wallet and payment status