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Fx Timeseries

Historical daily exchange-rate series from the European Central Bank (via Frankfurter), with computed summary statistics.

$0.001656USDC per call · settled on Base · no subscription, no API key

Overview

Historical daily exchange-rate series from the European Central Bank (via Frankfurter), with computed summary statistics. Pass base = 3-letter ISO 4217 currency (default USD), start = YYYY-MM-DD, optional end = YYYY-MM-DD (default = latest available), optional symbols = comma-separated target codes (default all), optional amount to scale rates (default 1). Range is capped at 366 days. Returns, per target currency, first/last/min/max/mean rate plus absolute and percentage change over the window, alongside the full daily series. ECB publishes on business days only; weekends and holidays are omitted.

Endpoint

MethodEndpointPriceDescription
GET/v1/marketplace/api/fx-timeseries$0.001656Invoke Fx Timeseries (Code) and return the upstream response.

How to call it

Requests are paid per call over the x402 protocol. Call the endpoint, receive a 402 Payment Required quote, then repeat the request with the signed payment header. The SDKs do both steps for you.

# 1. Ask for a quote
curl -i https://api.jarvisclaw.ai/v1/marketplace/api/fx-timeseries

# 2. Pay it (the SDK signs and retries for you)
curl -H "X-PAYMENT: <signed-payload>" https://api.jarvisclaw.ai/v1/marketplace/api/fx-timeseries
Open in the marketplace

Docs: Getting started · x402 payments · x402 discovery · All APIs