FX Rate API for spot and historical currency pairs
Query current exchange rates, pull daily historical series with summary stats, and rely on EUR-chain fallback for missing direct pairs.
Daily ECB reference rates · Paid historical access · Shared key across all market-data products
Why teams use the FX API
Spot + historical rates
Query live pairs or historical series with daily, weekly, monthly, and yearly buckets. FX data is daily ECB reference-rate data.
EUR cross-rate fallback
Pairs missing a direct quote are resolved through the EUR chain instead of failing fast.
Shared product tier
The same API key covers gold, FX, commodity, and MCP access under one plan model.
Developer-safe responses
Predictable JSON payloads with summary statistics for historical endpoints and typed validation on input.
Endpoints
/api/v1/fx/currencies
Public list of supported currencies.
/api/v1/fx/rate?base=USD"e=EUR
Current FX rate for a currency pair.
/api/v1/fx/rate/historical?base=USD"e=EUR&start_date=2024-01-01&end_date=2024-12-31&interval=monthly
Historical rate series with summary statistics.
Quick Start
curl -H "Authorization: Bearer YOUR_API_KEY" \
"https://www.sentisignal.com/api/v1/fx/rate?base=USD"e=EUR"
{
"status": "success",
"data": {
"base": "USD",
"quote": "EUR",
"rate": 0.923411,
"rate_date": "2026-03-11",
"source": "ECB (European Central Bank)"
},
"meta": { "credits_used": 1, "plan": "free" }
}
Get notified when the FX Rate API launches
We're finalising pricing and terms. Register your email and we'll let you know the moment access opens.
No spam. One email when the FX Rate API opens.
Typical use cases
FAQ
Explore the full API suite
One API key covers all products. Finance Hub ->
Umbrella landing for the full API suite with one key, one plan, and a shared product story.
View ->Gold spot prices, historical series back to 2004, and conversions across five weight units.
View ->Daily precious metals coverage with FX conversion and weight-unit support.
View ->Daily sentiment scores, rolling windows, and top-asset rankings derived from thousands of AI-analyzed financial news articles.
View ->Energy and agriculture endpoints with historical summaries, source transparency, and FX conversion.
View ->Keyword and semantic search over AI-analyzed financial news, with importance, quality, and sentiment scores.
View ->Finance tools for Claude, Cursor, and other MCP clients using the same API access model.
View ->