{
  "x402Version": 2,
  "id": 3965,
  "slug": "3965",
  "resource": "https://data.greeneris.io/v1/fx/history",
  "description": "European Central Bank reference exchange rates for any past date or date range (business days since 1999-01-04), via frankfurter.dev. Query: ?date=2026-05-01 for one day, or ?start=2026-05-01&end=2026-05-08 for a daily series (max 366 days), plus ?base=EUR&symbols=USD,GBP (symbols optional -> all). Series responses nest rates by date. Historical data is immutable; served with a 24h cache.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x6ab8efe305cce67daa48c97bde29c04402822dff",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "2000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "base": "EUR",
            "end": "2026-05-08",
            "start": "2026-05-01",
            "symbols": "USD"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "base": "EUR",
            "end_date": "2026-05-08",
            "rates": {
              "2026-04-30": {
                "USD": 1.1702
              },
              "2026-05-04": {
                "USD": 1.17
              },
              "2026-05-05": {
                "USD": 1.1686
              }
            },
            "source": "ECB reference rates via frankfurter.dev (business days, since 1999)",
            "start_date": "2026-04-30"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
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                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "base": {
                    "default": "EUR",
                    "description": "Base currency code",
                    "type": "string"
                  },
                  "date": {
                    "description": "Single day YYYY-MM-DD (mutually exclusive with start/end)",
                    "type": "string"
                  },
                  "end": {
                    "description": "Series end YYYY-MM-DD (default today, max 366 days after start)",
                    "type": "string"
                  },
                  "start": {
                    "description": "Series start YYYY-MM-DD",
                    "type": "string"
                  },
                  "symbols": {
                    "description": "Comma-separated target currencies, max 12 (optional -> all)",
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "data.greeneris.io",
  "lastUpdated": "2026-08-27T15:11:49.007Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-08-27T15:11:48.807Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "data.greeneris.io",
    "manifest_name": "data.greeneris.io",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}