{"name":"x402 Log Filter API","description":"Filter JSON / NDJSON event logs by field path + operator, optional time range and limit.","pricing":{"POST /filter":"$0.005 USDC per call via x402 (HTTP 402)","network":"eip155:8453","payTo":"0x509E55c4F898B43C856Fb0E51048B1b7bFBC9eDE","free":["GET /","GET /openapi.json","POST /demo"]},"limits":{"paidMaxBodyBytes":10485760,"demoMaxEvents":100,"demoMaxBodyBytes":65536},"operators":["gt","gte","lt","lte","eq","ne","contains","crosses_threshold"],"example":{"method":"POST","path":"/demo","body":{"events":[{"timestamp":"2026-01-01T00:00:00Z","cpu":40},{"timestamp":"2026-01-01T00:01:00Z","cpu":95}],"filter":{"field":"cpu","op":"crosses_threshold","value":90,"direction":"up"}}},"docs":"/openapi.json"}