# SitePulse for agents

Machine-payable satellite verification of construction and site change.

- Base: https://sitepulse.waltsoft.net
- Paid: GET /v1/site?lon=&lat=  ($1.50)
- Paid: GET /v1/timeline?lon=&lat=  ($6.00)
- Free: GET /tryit?lon=&lat=  (3/day per IP)
- Payment: x402, USDC on Base or Solana. Send X-PAYMENT; a 402 carries accepts[].
- Discovery: the 402 body includes extensions.bazaar with input/output schema.

Resolution: 10m/pixel — commercial/industrial footprints only, not houses.
Every response includes the per-scene evidence used, so answers are auditable.