{"service":"sygnldata","what":"market regime state, execution-cost estimates, bar-quality forensics, and backtest audits for AI agents","payment":{"protocol":"x402","network":"base","currency":"USDC","how":"call a paid endpoint, get HTTP 402 with payment requirements, retry with X-PAYMENT"},"free_endpoints":["/health","/pricing.json","/llms.txt","/v1/regime/sample","/v1/stats"],"paid_endpoints":{"GET /v1/regime/current":"$0.005","GET /v1/regime/history":"$0.02","POST /v1/cost/estimate":"$0.01","POST /v1/bars/qc":"$0.05","POST /v1/audit":"$5.0","GET /v1/x/agent-economy-directory":"$0.01","GET /v1/x/perp-funding-rates":"$0.005"},"docs":"/docs","openapi":"/openapi.json"}