{
  "x402Version": 2,
  "id": 29525,
  "slug": "29525",
  "resource": "https://netintel.dev/currency-exchange/history",
  "description": "Daily historical exchange-rate series for any currency pair — fiat via ECB reference data, crypto via Coinbase daily closes — with min/max/average/change stats, no API key. Pass start/end dates or a days lookback (default 30). The history sibling of /currency-exchange/convert: trend and repricing context for the pairs agents already quote spot.",
  "type": "http",
  "serviceName": "NetIntel",
  "resourceType": "Market Data",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xdaDc335482AD545296Fd7b28518A251fFCbEb9Df",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "20000",
      "amountUsd": 0.02,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "8FVeybWnB4dYrxTuPK7WzFZNAiEcFVaDLFnKpRwVGr5s",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "20000",
      "amountUsd": 0.02,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "cache_age_seconds": {
            "type": "number"
          },
          "end": {
            "type": "string"
          },
          "findings": {
            "type": "array"
          },
          "from": {
            "type": "string"
          },
          "point_count": {
            "type": "number"
          },
          "series": {
            "items": {
              "properties": {
                "date": {
                  "type": "string"
                },
                "rate": {
                  "description": "units of `to` per 1 `from` on that date",
                  "type": "number"
                }
              },
              "type": "object"
            },
            "type": "array"
          },
          "source": {
            "description": "frankfurter | ecb-xml | currency-api | coinbase",
            "type": "string"
          },
          "stale": {
            "type": "boolean"
          },
          "start": {
            "type": "string"
          },
          "stats": {
            "properties": {
              "average": {
                "type": "number"
              },
              "change_pct": {
                "description": "first→last point, %",
                "type": "number"
              },
              "max": {
                "type": "number"
              },
              "min": {
                "type": "number"
              },
              "volatility_pct": {
                "description": "stdev of daily % changes",
                "type": "number"
              }
            },
            "type": "object"
          },
          "to": {
            "type": "string"
          }
        },
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "days": 7,
            "from": "USD",
            "to": "EUR"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "cache_age_seconds": 0,
            "end": "2026-08-01",
            "findings": [
              {
                "detail": "ECB publishes business days only — weekends and holidays have no reference rate and are omitted, never interpolated",
                "rule": "non_trading_days_omitted"
              }
            ],
            "from": "USD",
            "point_count": 6,
            "series": [
              {
                "date": "2026-07-24",
                "rate": 0.87897
              },
              {
                "date": "2026-07-27",
                "rate": 0.87804
              },
              {
                "date": "2026-07-28",
                "rate": 0.87974
              },
              {
                "date": "2026-07-29",
                "rate": 0.87873
              },
              {
                "date": "2026-07-30",
                "rate": 0.87138
              },
              {
                "date": "2026-07-31",
                "rate": 0.8707
              }
            ],
            "source": "frankfurter",
            "stale": false,
            "start": "2026-07-26",
            "stats": {
              "average": 0.87626,
              "change_pct": -0.94,
              "max": 0.87974,
              "min": 0.8707,
              "volatility_pct": 0.34
            },
            "to": "EUR"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "days": {
                    "description": "Alternative to start/end: lookback window ending today; default 30. Alias: period",
                    "type": "number"
                  },
                  "end": {
                    "description": "Range end, YYYY-MM-DD; default today. Alias: to_date",
                    "type": "string"
                  },
                  "from": {
                    "description": "Base currency: ISO 4217 fiat code or crypto ticker, e.g. USD or BTC. Aliases: base, source",
                    "type": "string"
                  },
                  "start": {
                    "description": "Range start, YYYY-MM-DD. Alias: from_date. Caps: ECB fiat 366d, other fiat 90d, crypto 300d",
                    "type": "string"
                  },
                  "to": {
                    "description": "One target code, e.g. EUR or BTC. Aliases: target, quote",
                    "type": "string"
                  }
                },
                "required": [
                  "from",
                  "to"
                ],
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "cache_age_seconds": {
                    "type": "number"
                  },
                  "end": {
                    "type": "string"
                  },
                  "findings": {
                    "type": "array"
                  },
                  "from": {
                    "type": "string"
                  },
                  "point_count": {
                    "type": "number"
                  },
                  "series": {
                    "items": {
                      "properties": {
                        "date": {
                          "type": "string"
                        },
                        "rate": {
                          "description": "units of `to` per 1 `from` on that date",
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "type": "array"
                  },
                  "source": {
                    "description": "frankfurter | ecb-xml | currency-api | coinbase",
                    "type": "string"
                  },
                  "stale": {
                    "type": "boolean"
                  },
                  "start": {
                    "type": "string"
                  },
                  "stats": {
                    "properties": {
                      "average": {
                        "type": "number"
                      },
                      "change_pct": {
                        "description": "first→last point, %",
                        "type": "number"
                      },
                      "max": {
                        "type": "number"
                      },
                      "min": {
                        "type": "number"
                      },
                      "volatility_pct": {
                        "description": "stdev of daily % changes",
                        "type": "number"
                      }
                    },
                    "type": "object"
                  },
                  "to": {
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "historical rates",
    "exchange rate history",
    "fx timeseries",
    "currency chart",
    "no api key",
    "bazaar"
  ],
  "sourceHost": "netintel.dev",
  "lastUpdated": "2026-10-13T13:52:02.257Z",
  "quality": {
    "calls30d": 4,
    "uniquePayers30d": 4,
    "lastCalledAt": "2026-10-13T13:52:02.017Z"
  },
  "metadata": {
    "serviceName": "NetIntel",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "days": 7,
              "from": "USD",
              "to": "EUR"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "cache_age_seconds": 0,
              "end": "2026-08-01",
              "findings": [
                {
                  "detail": "ECB publishes business days only — weekends and holidays have no reference rate and are omitted, never interpolated",
                  "rule": "non_trading_days_omitted"
                }
              ],
              "from": "USD",
              "point_count": 6,
              "series": [
                {
                  "date": "2026-07-24",
                  "rate": 0.87897
                },
                {
                  "date": "2026-07-27",
                  "rate": 0.87804
                },
                {
                  "date": "2026-07-28",
                  "rate": 0.87974
                },
                {
                  "date": "2026-07-29",
                  "rate": 0.87873
                },
                {
                  "date": "2026-07-30",
                  "rate": 0.87138
                },
                {
                  "date": "2026-07-31",
                  "rate": 0.8707
                }
              ],
              "source": "frankfurter",
              "stale": false,
              "start": "2026-07-26",
              "stats": {
                "average": 0.87626,
                "change_pct": -0.94,
                "max": 0.87974,
                "min": 0.8707,
                "volatility_pct": 0.34
              },
              "to": "EUR"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "days": {
                      "description": "Alternative to start/end: lookback window ending today; default 30. Alias: period",
                      "type": "number"
                    },
                    "end": {
                      "description": "Range end, YYYY-MM-DD; default today. Alias: to_date",
                      "type": "string"
                    },
                    "from": {
                      "description": "Base currency: ISO 4217 fiat code or crypto ticker, e.g. USD or BTC. Aliases: base, source",
                      "type": "string"
                    },
                    "start": {
                      "description": "Range start, YYYY-MM-DD. Alias: from_date. Caps: ECB fiat 366d, other fiat 90d, crypto 300d",
                      "type": "string"
                    },
                    "to": {
                      "description": "One target code, e.g. EUR or BTC. Aliases: target, quote",
                      "type": "string"
                    }
                  },
                  "required": [
                    "from",
                    "to"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "cache_age_seconds": {
                      "type": "number"
                    },
                    "end": {
                      "type": "string"
                    },
                    "findings": {
                      "type": "array"
                    },
                    "from": {
                      "type": "string"
                    },
                    "point_count": {
                      "type": "number"
                    },
                    "series": {
                      "items": {
                        "properties": {
                          "date": {
                            "type": "string"
                          },
                          "rate": {
                            "description": "units of `to` per 1 `from` on that date",
                            "type": "number"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "source": {
                      "description": "frankfurter | ecb-xml | currency-api | coinbase",
                      "type": "string"
                    },
                    "stale": {
                      "type": "boolean"
                    },
                    "start": {
                      "type": "string"
                    },
                    "stats": {
                      "properties": {
                        "average": {
                          "type": "number"
                        },
                        "change_pct": {
                          "description": "first→last point, %",
                          "type": "number"
                        },
                        "max": {
                          "type": "number"
                        },
                        "min": {
                          "type": "number"
                        },
                        "volatility_pct": {
                          "description": "stdev of daily % changes",
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "to": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "netintel.dev",
    "manifest_name": "netintel.dev",
    "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": {
      "cache_age_seconds": 0,
      "end": "string",
      "findings": [
        "value"
      ],
      "from": "string",
      "point_count": 0,
      "series": [
        {
          "date": "string",
          "rate": 0
        }
      ],
      "source": "string",
      "stale": true,
      "start": "string",
      "stats": {
        "average": 0,
        "change_pct": 0,
        "max": 0,
        "min": 0,
        "volatility_pct": 0
      },
      "to": "string"
    },
    "type": "string"
  }
}