{
  "x402Version": 2,
  "id": 3243,
  "slug": "3243",
  "resource": "https://x402-solvers.onrender.com/v1/cycles/probe",
  "description": "Detect whether an arbitrage opportunity exists in a set of token exchange rates (multi-pool negative-cycle scan). Cheap boolean + magnitude signal for trading agents. POST a swap-rate graph, get back whether a profitable cycle exists and how large — without the path.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xA238AF2e66D9d7301F2D02932931851DdF900Dcd",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1000",
      "maxTimeoutSeconds": 30
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "edges": [
              {
                "dex": "aerodrome",
                "fee": 0.0005,
                "from": "USDC",
                "rate": 0.00031,
                "to": "WETH"
              },
              {
                "dex": "uniswap",
                "fee": 0.0005,
                "from": "WETH",
                "rate": 3300,
                "to": "USDC"
              }
            ]
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "edgesEvaluated": 3,
            "hasArbitrage": true,
            "hops": 3,
            "nodesEvaluated": 3,
            "profitBucket": ">2%",
            "tier": "probe"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "properties": {
                  "edges": {
                    "description": "Directed exchange-rate edges describing a token swap graph. Supply the rates you observed; the server makes no RPC calls of its own.",
                    "items": {
                      "properties": {
                        "dex": {
                          "description": "Venue label; echoed back untouched.",
                          "type": "string"
                        },
                        "fee": {
                          "description": "Fractional swap fee, e.g. 0.003 for 0.30%. Defaults to 0.",
                          "exclusiveMaximum": 1,
                          "minimum": 0,
                          "type": "number"
                        },
                        "from": {
                          "description": "Source token symbol.",
                          "type": "string"
                        },
                        "pool": {
                          "description": "Pool address; echoed back untouched.",
                          "type": "string"
                        },
                        "rate": {
                          "description": "Units of `to` per 1 unit of `from`, BEFORE fees.",
                          "exclusiveMinimum": 0,
                          "type": "number"
                        },
                        "to": {
                          "description": "Destination token symbol.",
                          "type": "string"
                        }
                      },
                      "required": [
                        "from",
                        "to",
                        "rate"
                      ],
                      "type": "object"
                    },
                    "minItems": 1,
                    "type": "array"
                  }
                },
                "required": [
                  "edges"
                ],
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "description": "Fast arbitrage-existence signal for a token swap graph: whether a profitable negative cycle exists and roughly how big, WITHOUT revealing the cycle path (that is the report tier).",
                "properties": {
                  "edgesEvaluated": {
                    "type": "number"
                  },
                  "hasArbitrage": {
                    "description": "True if a profitable round-trip cycle exists.",
                    "type": "boolean"
                  },
                  "hops": {
                    "description": "Swaps in the detected cycle (0 if none).",
                    "type": "number"
                  },
                  "nodesEvaluated": {
                    "type": "number"
                  },
                  "profitBucket": {
                    "description": "Coarse magnitude of the best cycle gross profit.",
                    "enum": [
                      "none",
                      "<=0.1%",
                      "0.1-0.5%",
                      "0.5-2%",
                      ">2%"
                    ],
                    "type": "string"
                  },
                  "tier": {
                    "const": "probe"
                  }
                },
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "x402-solvers.onrender.com",
  "lastUpdated": "2026-09-14T19:47:56.399Z",
  "quality": {
    "calls30d": 4,
    "uniquePayers30d": 4,
    "lastCalledAt": "2026-09-14T19:47:56.008Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "x402-solvers.onrender.com",
    "manifest_name": "x402-solvers.onrender.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}