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Pay per call via x402 — no API keys, no subscription. Results are recent buffered Stream data, not a floor-price oracle or profit forecast. Not financial advice. Free surfaces: GET /sample (output shape), GET /openapi.json, GET /pricing.md, GET /llms.txt, GET /docs, GET /about, GET /health, GET /.well-known/x402.json.","capabilities":{"streaming":false,"extensions":[{"uri":"https://x402.org","required":false,"description":"x402 v2 payment gating: USDC on eip155:8453, scheme exact, $0.02 per call, facilitator https://x402-agent-pay.com/facilitator, payTo treasury 0x7861db4efc14a1ed5dd8c96c528a3796560f1393. 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