Daily historical exchange-rate series for any currency pair — fiat via ECB refer
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.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
941 msmedian answer time
$0.02listed price per call
$0.02price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://netintel.dev/currency-exchange/history
| Category | Market data |
|---|---|
| Provider host | netintel.dev |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.02 | 941 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"days": 7,
"from": "USD",
"to": "EUR"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$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\u2192last 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"
}