{
  "x402Version": 2,
  "id": 52460,
  "slug": "52460",
  "resource": "https://x402.professorsausages.com/fx-rates/rate/:base/:quote",
  "description": "One EUR-triangulated cross-rate with inverse and auditable EUR legs, latest or any date back to 1999",
  "type": "http",
  "serviceName": "FX Reference Rates",
  "resourceType": "Agent Service",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x54ebFCF3870439B9db62381848c5DabC05c70d5B",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "2000",
      "amountUsd": 0.002,
      "maxTimeoutSeconds": 60
    }
  ],
  "outputSchema": {
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "category": "reference",
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "date": "Fixing date. Omit for the latest fixing."
          },
          "type": "http"
        },
        "output": {
          "properties": {
            "disclaimer": {
              "type": "string"
            },
            "eurLegs": {
              "description": "EUR-based legs used for the triangulation (audit trail).",
              "type": "object"
            },
            "inverse": {
              "type": "number"
            },
            "method": {
              "enum": [
                "eur-cross"
              ],
              "type": "string"
            },
            "pair": {
              "type": "string"
            },
            "rate": {
              "type": "number"
            },
            "rateDate": {
              "description": "ECB fixing date (YYYY-MM-DD) backing this answer.",
              "type": "string"
            },
            "rateType": {
              "description": "Daily reference rates — NOT live trading rates.",
              "enum": [
                "ecb-daily-reference"
              ],
              "type": "string"
            },
            "requestedDate": {
              "description": "Present when the requested date had no fixing (weekend/holiday) — rateDate is the nearest prior fixing.",
              "type": "string"
            },
            "source": {
              "enum": [
                "European Central Bank"
              ],
              "type": "string"
            },
            "staleDays": {
              "description": "Weekdays since the fixing; 0 = current.",
              "type": "integer"
            }
          },
          "required": [
            "rateType",
            "rateDate",
            "staleDays",
            "pair",
            "rate",
            "inverse",
            "method",
            "eurLegs",
            "source",
            "disclaimer"
          ],
          "type": "object"
        }
      },
      "routeTemplate": "https://x402.professorsausages.com/fx-rates/rate/:base/:quote",
      "schema": {
        "properties": {
          "input": {
            "type": "object"
          },
          "output": {
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "catalog": {
      "catalogUrl": "https://x402.professorsausages.com/?ref=402&v=minimal&from=fx-rates",
      "message": "This endpoint is 1 of 34 pay-per-call APIs for agents — all same x402 payment + auth. Browse the full menu free (no payment) at the catalog URL; every API serves a free real sample record at /<api>/sample.",
      "strategy": "minimal"
    },
    "discount": {
      "header": "X-Intent",
      "hint": "Send X-Intent: <40+ chars describing what you're building and what data you need> for 50% off this call.",
      "off": "50%"
    },
    "help": {
      "docs": "https://x402.professorsausages.com/fx-rates",
      "example": "https://x402.professorsausages.com/fx-rates/rate/USD/GBP",
      "openapi": "https://x402.professorsausages.com/fx-rates/openapi.json",
      "sample": "https://x402.professorsausages.com/fx-rates/sample"
    },
    "sample": {
      "hint": "A real cached response from this API (with its capture timestamp), free — judge the data quality before paying.",
      "url": "https://x402.professorsausages.com/fx-rates/sample"
    },
    "suggest": {
      "hint": "Missing data you'd pay for? POST {want, would_pay_usd} — free. The most-requested datasets get built first.",
      "url": "https://x402.professorsausages.com/suggest"
    }
  },
  "tags": [
    "fx",
    "exchange-rates",
    "currency",
    "ecb",
    "convert",
    "bazaar",
    "catalog",
    "discount",
    "help",
    "sample",
    "suggest"
  ],
  "sourceHost": "x402.professorsausages.com",
  "lastUpdated": "2026-08-04T08:15:37.543Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-09-20T02:04:13.594Z"
  },
  "metadata": {
    "serviceName": "FX Reference Rates",
    "extensions": {
      "bazaar": {
        "category": "reference",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "date": "Fixing date. Omit for the latest fixing."
            },
            "type": "http"
          },
          "output": {
            "properties": {
              "disclaimer": {
                "type": "string"
              },
              "eurLegs": {
                "description": "EUR-based legs used for the triangulation (audit trail).",
                "type": "object"
              },
              "inverse": {
                "type": "number"
              },
              "method": {
                "enum": [
                  "eur-cross"
                ],
                "type": "string"
              },
              "pair": {
                "type": "string"
              },
              "rate": {
                "type": "number"
              },
              "rateDate": {
                "description": "ECB fixing date (YYYY-MM-DD) backing this answer.",
                "type": "string"
              },
              "rateType": {
                "description": "Daily reference rates — NOT live trading rates.",
                "enum": [
                  "ecb-daily-reference"
                ],
                "type": "string"
              },
              "requestedDate": {
                "description": "Present when the requested date had no fixing (weekend/holiday) — rateDate is the nearest prior fixing.",
                "type": "string"
              },
              "source": {
                "enum": [
                  "European Central Bank"
                ],
                "type": "string"
              },
              "staleDays": {
                "description": "Weekdays since the fixing; 0 = current.",
                "type": "integer"
              }
            },
            "required": [
              "rateType",
              "rateDate",
              "staleDays",
              "pair",
              "rate",
              "inverse",
              "method",
              "eurLegs",
              "source",
              "disclaimer"
            ],
            "type": "object"
          }
        },
        "routeTemplate": "https://x402.professorsausages.com/fx-rates/rate/:base/:quote",
        "schema": {
          "properties": {
            "input": {
              "type": "object"
            },
            "output": {
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "catalog": {
        "catalogUrl": "https://x402.professorsausages.com/?ref=402&v=minimal&from=fx-rates",
        "message": "This endpoint is 1 of 34 pay-per-call APIs for agents — all same x402 payment + auth. Browse the full menu free (no payment) at the catalog URL; every API serves a free real sample record at /<api>/sample.",
        "strategy": "minimal"
      },
      "discount": {
        "header": "X-Intent",
        "hint": "Send X-Intent: <40+ chars describing what you're building and what data you need> for 50% off this call.",
        "off": "50%"
      },
      "help": {
        "docs": "https://x402.professorsausages.com/fx-rates",
        "example": "https://x402.professorsausages.com/fx-rates/rate/USD/GBP",
        "openapi": "https://x402.professorsausages.com/fx-rates/openapi.json",
        "sample": "https://x402.professorsausages.com/fx-rates/sample"
      },
      "sample": {
        "hint": "A real cached response from this API (with its capture timestamp), free — judge the data quality before paying.",
        "url": "https://x402.professorsausages.com/fx-rates/sample"
      },
      "suggest": {
        "hint": "Missing data you'd pay for? POST {want, would_pay_usd} — free. The most-requested datasets get built first.",
        "url": "https://x402.professorsausages.com/suggest"
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "x402.professorsausages.com",
    "manifest_name": "x402.professorsausages.com",
    "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": {}
}