{
  "x402Version": 2,
  "id": 28679,
  "slug": "28679",
  "resource": "https://rtt.phoenix-ai.work/api/v1/health",
  "description": "Real-time L2 sequencer health across 12 chains (Base, Arbitrum, Optimism, zkSync, Blast, Linea, Mantle, Mode, Scroll, Taiko, Polygon zkEVM, Casper). Returns kernel-level P99/P95 RTT from eBPF probes, revert ratios (Base and Arbitrum via eth_getBlockReceipts), gas pressure, and execution recommendation.",
  "type": "http",
  "serviceName": "Phoenix Zero L2 Health Oracle",
  "resourceType": "Monitoring",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xbb967F16C7f3e9B4c1626680684445d41dBE44Ab",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:137",
      "payTo": "0xbb967F16C7f3e9B4c1626680684445d41dBE44Ab",
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:42161",
      "payTo": "0xbb967F16C7f3e9B4c1626680684445d41dBE44Ab",
      "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "arb_revert_ratio": {
            "description": "Fraction of reverted txs on Arbitrum (0.0-1.0)",
            "type": "number"
          },
          "base_revert_ratio": {
            "description": "Fraction of reverted txs on Base (0.0-1.0)",
            "type": "number"
          },
          "blob_base_fee": {
            "description": "EIP-4844 blob base fee",
            "type": "number"
          },
          "chains": {
            "description": "Per-chain P99/P95 RTT in ms, stall flag, last-updated unix timestamp. Chains: base, arbitrum, optimism, zksync, blast, linea, mantle, mode, scroll, taiko, polygon_zkevm, casper",
            "type": "object"
          },
          "gas_pressure": {
            "description": "L1 gas price in gwei",
            "type": "number"
          },
          "recommendation": {
            "enum": [
              "SAFE_TO_EXECUTE",
              "ELEVATED_RISK",
              "HIGH_RISK",
              "STALL_DETECTED"
            ],
            "type": "string"
          },
          "timestamp": {
            "description": "ISO 8601 UTC timestamp",
            "type": "string"
          }
        },
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "type": "http"
        },
        "output": {
          "example": {
            "arb_revert_ratio": 0.011,
            "base_revert_ratio": 0.023,
            "blob_base_fee": 1,
            "chains": {
              "arbitrum": {
                "p95_ms": 38.2,
                "p99_ms": 55.7,
                "stall": false,
                "updated": 1725188400
              },
              "base": {
                "p95_ms": 31.1,
                "p99_ms": 42.3,
                "stall": false,
                "updated": 1725188400
              },
              "optimism": {
                "p95_ms": 33.6,
                "p99_ms": 48.1,
                "stall": false,
                "updated": 1725188400
              },
              "zksync": {
                "p95_ms": 45,
                "p99_ms": 67.2,
                "stall": false,
                "updated": 1725188400
              }
            },
            "gas_pressure": 12.5,
            "recommendation": "SAFE_TO_EXECUTE",
            "source": "rtt.phoenix-ai.work",
            "timestamp": "2026-09-01T12:00:00Z"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET",
                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {},
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "arb_revert_ratio": {
                    "description": "Fraction of reverted txs on Arbitrum (0.0-1.0)",
                    "type": "number"
                  },
                  "base_revert_ratio": {
                    "description": "Fraction of reverted txs on Base (0.0-1.0)",
                    "type": "number"
                  },
                  "blob_base_fee": {
                    "description": "EIP-4844 blob base fee",
                    "type": "number"
                  },
                  "chains": {
                    "description": "Per-chain P99/P95 RTT in ms, stall flag, last-updated unix timestamp. Chains: base, arbitrum, optimism, zksync, blast, linea, mantle, mode, scroll, taiko, polygon_zkevm, casper",
                    "type": "object"
                  },
                  "gas_pressure": {
                    "description": "L1 gas price in gwei",
                    "type": "number"
                  },
                  "recommendation": {
                    "enum": [
                      "SAFE_TO_EXECUTE",
                      "ELEVATED_RISK",
                      "HIGH_RISK",
                      "STALL_DETECTED"
                    ],
                    "type": "string"
                  },
                  "timestamp": {
                    "description": "ISO 8601 UTC timestamp",
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "l2",
    "sequencer",
    "health",
    "ebpf",
    "revert-ratio",
    "bazaar"
  ],
  "sourceHost": "rtt.phoenix-ai.work",
  "lastUpdated": "2026-10-10T13:27:03.485Z",
  "quality": {
    "calls30d": 3,
    "uniquePayers30d": 3,
    "lastCalledAt": "2026-10-10T13:27:03.247Z"
  },
  "metadata": {
    "serviceName": "Phoenix Zero L2 Health Oracle",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "arb_revert_ratio": 0.011,
              "base_revert_ratio": 0.023,
              "blob_base_fee": 1,
              "chains": {
                "arbitrum": {
                  "p95_ms": 38.2,
                  "p99_ms": 55.7,
                  "stall": false,
                  "updated": 1725188400
                },
                "base": {
                  "p95_ms": 31.1,
                  "p99_ms": 42.3,
                  "stall": false,
                  "updated": 1725188400
                },
                "optimism": {
                  "p95_ms": 33.6,
                  "p99_ms": 48.1,
                  "stall": false,
                  "updated": 1725188400
                },
                "zksync": {
                  "p95_ms": 45,
                  "p99_ms": 67.2,
                  "stall": false,
                  "updated": 1725188400
                }
              },
              "gas_pressure": 12.5,
              "recommendation": "SAFE_TO_EXECUTE",
              "source": "rtt.phoenix-ai.work",
              "timestamp": "2026-09-01T12:00:00Z"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "arb_revert_ratio": {
                      "description": "Fraction of reverted txs on Arbitrum (0.0-1.0)",
                      "type": "number"
                    },
                    "base_revert_ratio": {
                      "description": "Fraction of reverted txs on Base (0.0-1.0)",
                      "type": "number"
                    },
                    "blob_base_fee": {
                      "description": "EIP-4844 blob base fee",
                      "type": "number"
                    },
                    "chains": {
                      "description": "Per-chain P99/P95 RTT in ms, stall flag, last-updated unix timestamp. Chains: base, arbitrum, optimism, zksync, blast, linea, mantle, mode, scroll, taiko, polygon_zkevm, casper",
                      "type": "object"
                    },
                    "gas_pressure": {
                      "description": "L1 gas price in gwei",
                      "type": "number"
                    },
                    "recommendation": {
                      "enum": [
                        "SAFE_TO_EXECUTE",
                        "ELEVATED_RISK",
                        "HIGH_RISK",
                        "STALL_DETECTED"
                      ],
                      "type": "string"
                    },
                    "timestamp": {
                      "description": "ISO 8601 UTC timestamp",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "rtt.phoenix-ai.work",
    "manifest_name": "rtt.phoenix-ai.work",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-14T01:15:01.050Z"
  },
  "exampleResponse": {
    "example": {
      "arb_revert_ratio": 0,
      "base_revert_ratio": 0,
      "blob_base_fee": 0,
      "chains": {},
      "gas_pressure": 0,
      "recommendation": "SAFE_TO_EXECUTE",
      "timestamp": "string"
    },
    "type": "string"
  }
}