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GET
Liveness probe
Free, no payment required. Used by uptime monitors.

Request

Response

Content-Type: text/plain. HTTP 200 on success. That’s it. Identical to the BlockSec x402 health probe on purpose — any UptimeRobot-class monitor configured against their endpoint will work against ours without reconfiguration.

Response

200 - application/json

Successful Response

{key}
string