Api Endpoint

NetIntel

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.

Open interactive test console

Offering

Provider
netintel.dev
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Financial Analysis
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://netintel.dev/currency-exchange/history
MIME type
application/json
First seen
2026-10-16T01:50:14.534Z
Last seen
Tags
historical rates, exchange rate history, fx timeseries, currency chart, no api key

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.02 USDC
Atomic price: 20000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.02 USDC
Atomic price: 20000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "20000",
    "payTo": "0xdaDc335482AD545296Fd7b28518A251fFCbEb9Df"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "20000",
    "payTo": "8FVeybWnB4dYrxTuPK7WzFZNAiEcFVaDLFnKpRwVGr5s"
  }
]

Observed health

Status
Healthy
Latest latency
101 ms
Average latency
179 ms
HTTP status
402
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "from": {
          "type": "string",
          "description": "Base currency: ISO 4217 fiat code or crypto ticker, e.g. USD or BTC. Aliases: base, source"
        },
        "to": {
          "type": "string",
          "description": "One target code, e.g. EUR or BTC. Aliases: target, quote"
        },
        "start": {
          "type": "string",
          "description": "Range start, YYYY-MM-DD. Alias: from_date. Caps: ECB fiat 366d, other fiat 90d, crypto 300d"
        },
        "end": {
          "type": "string",
          "description": "Range end, YYYY-MM-DD; default today. Alias: to_date"
        },
        "days": {
          "type": "number",
          "description": "Alternative to start/end: lookback window ending today; default 30. Alias: period"
        }
      },
      "required": [
        "from",
        "to"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output 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"
}