{"endpoint":{"id":34980,"url":"https://yieldsignal.vercel.app/capacity/usdc-base-yield","host":"yieldsignal.vercel.app","kind":"x402","first_seen":"2026-09-07T00:03:39+00:00","last_seen":"2026-09-09T14:09:07+00:00","last_probed_at":"2026-09-11T15:01:57+00:00","last_outcome":"ok","last_score":100,"last_latency_ms":318,"last_http_status":402,"last_inferred":0},"probes":[{"id":747138,"endpoint_id":34980,"probed_at":"2026-09-11T15:01:57+00:00","probe_kind":"x402","outcome":"ok","http_status":402,"latency_ms":318,"protocol_version":null,"score":100,"capabilities":{"payment_header":true,"content_type":"application/json; charset=utf-8","accepts":0},"error":"HTTP 402","meta":{"final_url":"https://yieldsignal.vercel.app/capacity/usdc-base-yield","http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"216.198.79.3"},{"id":639559,"endpoint_id":34980,"probed_at":"2026-09-10T14:03:04+00:00","probe_kind":"x402","outcome":"ok","http_status":402,"latency_ms":484,"protocol_version":null,"score":100,"capabilities":{"payment_header":true,"content_type":"application/json; charset=utf-8","accepts":0},"error":"HTTP 402","meta":{"final_url":"https://yieldsignal.vercel.app/capacity/usdc-base-yield","http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"216.198.79.3"},{"id":532469,"endpoint_id":34980,"probed_at":"2026-09-09T13:16:54+00:00","probe_kind":"x402","outcome":"ok","http_status":402,"latency_ms":423,"protocol_version":null,"score":100,"capabilities":{"payment_header":true,"content_type":"application/json; charset=utf-8","accepts":0},"error":"HTTP 402","meta":{"final_url":"https://yieldsignal.vercel.app/capacity/usdc-base-yield","http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"216.198.79.131"},{"id":335862,"endpoint_id":34980,"probed_at":"2026-09-08T12:45:35+00:00","probe_kind":"x402","outcome":"ok","http_status":402,"latency_ms":785,"protocol_version":null,"score":100,"capabilities":{"payment_header":true,"content_type":"application/json; charset=utf-8","accepts":0},"error":null,"meta":{"final_url":"https://yieldsignal.vercel.app/capacity/usdc-base-yield","vantage":"us-east-1"},"ip":"216.198.79.195"},{"id":174284,"endpoint_id":34980,"probed_at":"2026-09-07T11:18:59+00:00","probe_kind":"x402","outcome":"connect-fail","http_status":null,"latency_ms":913,"protocol_version":null,"score":null,"capabilities":{},"error":"h2: Invalid input ConnectionInputs.SEND_SETTINGS in state ConnectionState.CLOSED","meta":{"vantage":"us-east-1"},"ip":"216.198.79.3"}]}