Exchange Rate History
Get daily exchange rates between two currencies over a period, with the average, low, high and change.
Pay by wallet (x402)
forex-history Example
Input
{
"to": "EUR",
"from": "USD",
"end_date": "2025-12-31",
"start_date": "2025-01-15"
} Answer
{
"max": 0.9735,
"min": 0.8448,
"rates": [
{
"date": "2025-01-15",
"rate": 0.97087
},
{
"date": "2025-01-16",
"rate": 0.97352
},
{
"date": "2025-01-17",
"rate": 0.97106
},
{
"date": "2025-01-20",
"rate": 0.96937
},
{
"date": "2025-01-21",
"rate": 0.96553
},
{
"date": "2025-01-22",
"rate": 0.95758
},
{
"date": "2025-01-23",
"rate": 0.96117
},
{
"date": "2025-01-24",
"rate": 0.95493
},
{
"date": "2025-01-27",
"rate": 0.94967
},
{
"date": "2025-01-28",
"rate": 0.9596
},
{
"date": "2025-01-29",
"rate": 0.96191
},
{
"date": "2025-01-30",
"rate": 0.96126
},
{
"date": "2025-01-31",
"rate": 0.96219
},
{
"date": "2025-02-03",
"rate": 0.97333
},
{
"date": "2025-02-04",
"rate": 0.96759
},
{
"date": "2025-02-05",
"rate": 0.95951
},
{
"date": "2025-02-06",
"rate": 0.96525
},
{
"date": "2025-02-07",
"rate": 0.96367
},
{
"date": "2025-02-10",
"rate": 0.96899
},
{
"date": "2025-02-11",
"rate": 0.96862
},
{
"date": "2025-02-12",
"rate": 0.96432
},
{
"date": "2025-02-13",
"rate": 0.96246
},
{
"date": "2025-02-14",
"rate": 0.95438
},
{
"date": "2025-02-17",
"rate": 0.95484
},
{
"date": "2025-02-18",
"rate": 0.95721
},
{
"date": "2025-02-19",
"rate": 0.95841
},
{
"date": "2025-02-20",
"rate": 0.95758
},
{
"date": "2025-02-21",
"rate": 0.95557
},
{
"date": "2025-02-24",
"rate": 0.95547
},
{
"date": "2025-02-25",
"rate": 0.95265
},
{
"date": "2025-02-26",
"rate": 0.95356
},
{
"date": "2025-02-27",
"rate": 0.95447
},
{
"date": "2025-02-28",
"rate": 0.96052
},
{
"date": "2025-03-03",
"rate": 0.95557
},
{
"date": "2025-03-04",
"rate": 0.94724
},
{
"date": "2025-03-05",
"rate": 0.9351
},
{
"date": "2025-03-06",
"rate": 0.92627
},
{
"date": "2025-03-07",
"rate": 0.92106
},
{
"date": "2025-03-10",
"rate": 0.92208
},
{
"date": "2025-03-11",
"rate": 0.91642
},
{
"date": "2025-03-12",
"rate": 0.91861
},
{
"date": "2025-03-13",
"rate": 0.92336
},
{
"date": "2025-03-14",
"rate": 0.91836
},
{
"date": "2025-03-17",
"rate": 0.91718
},
{
"date": "2025-03-18",
"rate": 0.91592
},
{
"date": "2025-03-19",
"rate": 0.91768
},
{
"date": "2025-03-20",
"rate": 0.92311
},
{
"date": "2025-03-21",
"rate": 0.92362
},
{
"date": "2025-03-24",
"rate": 0.92387
},
{
"date": "2025-03-25",
"rate": 0.92379
},
{
"date": "2025-03-26",
"rate": 0.92696
},
{
"date": "2025-03-27",
"rate": 0.92721
},
{
"date": "2025-03-28",
"rate": 0.92618
},
{
"date": "2025-03-31",
"rate": 0.92464
},
{
"date": "2025-04-01",
"rate": 0.92696
},
{
"date": "2025-04-02",
"rate": 0.92567
},
{
"date": "2025-04-03",
"rate": 0.90114
},
{
"date": "2025-04-04",
"rate": 0.9044
},
{
"date": "2025-04-07",
"rate": 0.91183
},
{
"date": "2025-04-08",
"rate": 0.91324
},
{
"date": "2025-04-09",
"rate": 0.90539
},
{
"date": "2025-04-10",
"rate": 0.90236
},
{
"date": "2025-04-11",
"rate": 0.88137
},
{
"date": "2025-04-14",
"rate": 0.87897
},
{
"date": "2025-04-15",
"rate": 0.88308
},
{
"date": "2025-04-16",
"rate": 0.88067
},
{
"date": "2025-04-17",
"rate": 0.88028
},
{
"date": "2025-04-22",
"rate": 0.87138
},
{
"date": "2025-04-23",
"rate": 0.87604
},
{
"date": "2025-04-24",
"rate": 0.87904
},
{
"date": "2025-04-25",
"rate": 0.88051
},
{
"date": "2025-04-28",
"rate": 0.88044
},
{
"date": "2025-04-29",
"rate": 0.87928
},
{
"date": "2025-04-30",
"rate": 0.87928
},
{
"date": "2025-05-02",
"rate": 0.8816
},
{
"date": "2025-05-05",
"rate": 0.8816
},
{
"date": "2025-05-06",
"rate": 0.883
},
{
"date": "2025-05-07",
"rate": 0.88028
},
{
"date": "2025-05-08",
"rate": 0.88519
},
{
"date": "2025-05-09",
"rate": 0.88873
},
{
"date": "2025-05-12",
"rate": 0.90041
},
{
"date": "2025-05-13",
"rate": 0.89993
},
{
"date": "2025-05-14",
"rate": 0.89174
},
{
"date": "2025-05-15",
"rate": 0.89405
},
{
"date": "2025-05-16",
"rate": 0.89334
},
{
"date": "2025-05-19",
"rate": 0.88794
},
{
"date": "2025-05-20",
"rate": 0.8896
},
{
"date": "2025-05-21",
"rate": 0.88331
},
{
"date": "2025-05-22",
"rate": 0.88425
},
{
"date": "2025-05-23",
"rate": 0.88488
},
{
"date": "2025-05-26",
"rate": 0.87866
},
{
"date": "2025-05-27",
"rate": 0.88059
},
{
"date": "2025-05-28",
"rate": 0.88363
},
{
"date": "2025-05-29",
"rate": 0.88645
},
{
"date": "2025-05-30",
"rate": 0.88191
},
{
"date": "2025-06-02",
"rate": 0.87573
},
{
"date": "2025-06-03",
"rate": 0.87827
},
{
"date": "2025-06-04",
"rate": 0.87843
},
{
"date": "2025-06-05",
"rate": 0.87543
},
{
"date": "2025-06-06",
"rate": 0.87635
},
{
"date": "2025-06-09",
"rate": 0.87642
},
{
"date": "2025-06-10",
"rate": 0.87497
},
{
"date": "2025-06-11",
"rate": 0.87466
},
{
"date": "2025-06-12",
"rate": 0.86252
},
{
"date": "2025-06-13",
"rate": 0.86866
},
{
"date": "2025-06-16",
"rate": 0.86401
},
{
"date": "2025-06-17",
"rate": 0.86445
},
{
"date": "2025-06-18",
"rate": 0.86896
},
{
"date": "2025-06-19",
"rate": 0.87123
},
{
"date": "2025-06-20",
"rate": 0.86843
},
{
"date": "2025-06-23",
"rate": 0.87169
},
{
"date": "2025-06-24",
"rate": 0.86155
},
{
"date": "2025-06-25",
"rate": 0.86222
},
{
"date": "2025-06-26",
"rate": 0.85507
},
{
"date": "2025-06-27",
"rate": 0.85441
},
{
"date": "2025-06-30",
"rate": 0.85324
},
{
"date": "2025-07-01",
"rate": 0.84674
},
{
"date": "2025-07-02",
"rate": 0.8507
},
{
"date": "2025-07-03",
"rate": 0.84875
},
{
"date": "2025-07-04",
"rate": 0.84983
},
{
"date": "2025-07-07",
"rate": 0.85266
},
{
"date": "2025-07-08",
"rate": 0.85339
},
{
"date": "2025-07-09",
"rate": 0.85485
},
{
"date": "2025-07-10",
"rate": 0.85404
},
{
"date": "2025-07-11",
"rate": 0.85594
},
{
"date": "2025-07-14",
"rate": 0.85543
},
{
"date": "2025-07-15",
"rate": 0.85727
},
{
"date": "2025-07-16",
"rate": 0.86192
},
{
"date": "2025-07-17",
"rate": 0.86363
},
{
"date": "2025-07-18",
"rate": 0.85837
},
{
"date": "2025-07-21",
"rate": 0.85712
},
{
"date": "2025-07-22",
"rate": 0.85477
},
{
"date": "2025-07-23",
"rate": 0.85281
},
{
"date": "2025-07-24",
"rate": 0.85063
},
{
"date": "2025-07-25",
"rate": 0.85295
},
{
"date": "2025-07-28",
"rate": 0.85807
},
{
"date": "2025-07-29",
"rate": 0.86708
},
{
"date": "2025-07-30",
"rate": 0.86753
},
{
"date": "2025-07-31",
"rate": 0.87367
},
{
"date": "2025-08-01",
"rate": 0.87689
},
{
"date": "2025-08-04",
"rate": 0.86468
},
{
"date": "2025-08-05",
"rate": 0.8661
},
{
"date": "2025-08-06",
"rate": 0.86177
},
{
"date": "2025-08-07",
"rate": 0.85889
},
{
"date": "2025-08-08",
"rate": 0.85852
},
{
"date": "2025-08-11",
"rate": 0.86044
},
{
"date": "2025-08-12",
"rate": 0.86162
},
{
"date": "2025-08-13",
"rate": 0.8539
},
{
"date": "2025-08-14",
"rate": 0.85543
},
{
"date": "2025-08-15",
"rate": 0.85558
},
{
"date": "2025-08-18",
"rate": 0.85668
},
{
"date": "2025-08-19",
"rate": 0.85602
},
{
"date": "2025-08-20",
"rate": 0.8583
},
{
"date": "2025-08-21",
"rate": 0.85918
},
{
"date": "2025-08-22",
"rate": 0.86147
},
{
"date": "2025-08-25",
"rate": 0.85492
},
{
"date": "2025-08-26",
"rate": 0.85793
},
{
"date": "2025-08-27",
"rate": 0.86259
},
{
"date": "2025-08-28",
"rate": 0.85646
},
{
"date": "2025-08-29",
"rate": 0.85778
},
{
"date": "2025-09-01",
"rate": 0.85361
},
{
"date": "2025-09-02",
"rate": 0.85866
},
{
"date": "2025-09-03",
"rate": 0.85815
},
{
"date": "2025-09-04",
"rate": 0.85859
},
{
"date": "2025-09-05",
"rate": 0.85492
},
{
"date": "2025-09-08",
"rate": 0.85266
},
{
"date": "2025-09-09",
"rate": 0.8515
},
{
"date": "2025-09-10",
"rate": 0.85419
},
{
"date": "2025-09-11",
"rate": 0.8558
},
{
"date": "2025-09-12",
"rate": 0.85339
},
{
"date": "2025-09-15",
"rate": 0.84991
},
{
"date": "2025-09-16",
"rate": 0.84696
},
{
"date": "2025-09-17",
"rate": 0.84481
},
{
"date": "2025-09-18",
"rate": 0.84617
},
{
"date": "2025-09-19",
"rate": 0.85208
},
{
"date": "2025-09-22",
"rate": 0.84882
},
{
"date": "2025-09-23",
"rate": 0.84796
},
{
"date": "2025-09-24",
"rate": 0.85063
},
{
"date": "2025-09-25",
"rate": 0.85186
},
{
"date": "2025-09-26",
"rate": 0.85675
},
{
"date": "2025-09-29",
"rate": 0.85302
},
{
"date": "2025-09-30",
"rate": 0.85172
},
{
"date": "2025-10-01",
"rate": 0.85295
},
{
"date": "2025-10-02",
"rate": 0.85077
},
{
"date": "2025-10-03",
"rate": 0.85222
},
{
"date": "2025-10-06",
"rate": 0.85631
},
{
"date": "2025-10-07",
"rate": 0.85719
},
{
"date": "2025-10-08",
"rate": 0.86007
},
{
"date": "2025-10-09",
"rate": 0.86125
},
{
"date": "2025-10-10",
"rate": 0.86445
},
{
"date": "2025-10-13",
"rate": 0.86438
},
{
"date": "2025-10-14",
"rate": 0.86558
},
{
"date": "2025-10-15",
"rate": 0.86044
},
{
"date": "2025-10-16",
"rate": 0.85844
},
{
"date": "2025-10-17",
"rate": 0.85609
},
{
"date": "2025-10-20",
"rate": 0.858
},
{
"date": "2025-10-21",
"rate": 0.86155
},
{
"date": "2025-10-22",
"rate": 0.86304
},
{
"date": "2025-10-23",
"rate": 0.86259
},
{
"date": "2025-10-24",
"rate": 0.86118
},
{
"date": "2025-10-27",
"rate": 0.85911
},
{
"date": "2025-10-28",
"rate": 0.85985
},
{
"date": "2025-10-29",
"rate": 0.8594
},
{
"date": "2025-10-30",
"rate": 0.8658
},
{
"date": "2025-10-31",
"rate": 0.8655
},
{
"date": "2025-11-03",
"rate": 0.86851
},
{
"date": "2025-11-04",
"rate": 0.87025
},
{
"date": "2025-11-05",
"rate": 0.87017
},
{
"date": "2025-11-06",
"rate": 0.86708
},
{
"date": "2025-11-07",
"rate": 0.86498
},
{
"date": "2025-11-10",
"rate": 0.86423
},
{
"date": "2025-11-11",
"rate": 0.86393
},
{
"date": "2025-11-12",
"rate": 0.86386
},
{
"date": "2025-11-13",
"rate": 0.86066
},
{
"date": "2025-11-14",
"rate": 0.85852
},
{
"date": "2025-11-17",
"rate": 0.86259
},
{
"date": "2025-11-18",
"rate": 0.86281
},
{
"date": "2025-11-19",
"rate": 0.86333
},
{
"date": "2025-11-20",
"rate": 0.86851
},
{
"date": "2025-11-21",
"rate": 0.86806
},
{
"date": "2025-11-24",
"rate": 0.86625
},
{
"date": "2025-11-25",
"rate": 0.86573
},
{
"date": "2025-11-26",
"rate": 0.86378
},
{
"date": "2025-11-27",
"rate": 0.86311
},
{
"date": "2025-11-28",
"rate": 0.8646
},
{
"date": "2025-12-01",
"rate": 0.85866
},
{
"date": "2025-12-02",
"rate": 0.86103
},
{
"date": "2025-12-03",
"rate": 0.85704
},
{
"date": "2025-12-04",
"rate": 0.85719
},
{
"date": "2025-12-05",
"rate": 0.85874
},
{
"date": "2025-12-08",
"rate": 0.858
},
{
"date": "2025-12-09",
"rate": 0.85933
},
{
"date": "2025-12-10",
"rate": 0.85955
},
{
"date": "2025-12-11",
"rate": 0.85368
},
{
"date": "2025-12-12",
"rate": 0.85244
},
{
"date": "2025-12-15",
"rate": 0.85085
},
{
"date": "2025-12-16",
"rate": 0.84918
},
{
"date": "2025-12-17",
"rate": 0.8531
},
{
"date": "2025-12-18",
"rate": 0.85332
},
{
"date": "2025-12-19",
"rate": 0.85383
},
{
"date": "2025-12-22",
"rate": 0.85143
},
{
"date": "2025-12-23",
"rate": 0.84846
},
{
"date": "2025-12-24",
"rate": 0.84839
},
{
"date": "2025-12-29",
"rate": 0.84991
},
{
"date": "2025-12-30",
"rate": 0.85056
},
{
"date": "2025-12-31",
"rate": 0.85106
}
],
"average": 0.8837,
"end_date": "2025-12-31",
"start_date": "2025-01-15",
"data_points": 246,
"to_currency": "EUR",
"from_currency": "USD",
"change_percent": -12.34
}Inputs
| Field | Type | Required | What it is |
|---|---|---|---|
to | string | Yes | Target currency (e.g. USD) |
from | string | Yes | Source currency (e.g. EUR) |
end_date | string | No | — |
start_date | string | No | — |
Output fields
How reliably each field appears in a successful answer.
| Field | Type | Appears |
|---|---|---|
max | number | Always (present in every successful answer) |
min | number | Always (present in every successful answer) |
rates | array | Always (present in every successful answer) |
average | number | Always (present in every successful answer) |
change_percent | number | Always (present in every successful answer) |
How to call it
The same tool through each route. MCP clients reach it through Strale’s server at https://api.strale.io/mcp; the call below is what the agent sends.
# Needs an API key. max_price_cents caps what this call may cost.
curl -X POST https://api.strale.io/v1/do \
-H "Authorization: Bearer $STRALE_API_KEY" \
-H 'Content-Type: application/json' \
-d '{
"capability_slug": "forex-history",
"inputs": {
"to": "EUR",
"from": "USD",
"end_date": "2025-12-31",
"start_date": "2025-01-15"
},
"max_price_cents": 5
}'{
"tool": "strale_execute",
"arguments": {
"slug": "forex-history",
"inputs": {
"to": "EUR",
"from": "USD",
"end_date": "2025-12-31",
"start_date": "2025-01-15"
},
"max_price_cents": 5
}
}import { Strale } from "straleio";
const strale = new Strale({ apiKey: process.env.STRALE_API_KEY! });
const result = await strale.do({
capability_slug: "forex-history",
inputs: {
"to": "EUR",
"from": "USD",
"end_date": "2025-12-31",
"start_date": "2025-01-15"
},
max_price_cents: 5,
});import os
from straleio import Strale, DoRequest
strale = Strale(api_key=os.environ["STRALE_API_KEY"])
result = strale.do(DoRequest(
capability_slug="forex-history",
inputs={
"to": "EUR",
"from": "USD",
"end_date": "2025-12-31",
"start_date": "2025-01-15",
},
max_price_cents=5,
))# No account. The first request answers 402 with the price in USDC;
# an x402 client pays it from your wallet and repeats the request.
curl -i 'https://api.strale.io/x402/v2/forex-history?to=EUR&from=USD&end_date=2025-12-31&start_date=2025-01-15'Limitations
Daily reference rates only; no intraday data
Historical rates from Frankfurter API (ECB reference rates) — published daily around 16:00 CET, no intraday data
What to do instead: For intraday rates, use a commercial forex data provider; ECB reference rates are suitable for accounting and reporting
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