Fx

Foreign-exchange rates & time series. 2 pay-per-call fx endpoints for AI agents — keyless, USDC via x402.

WATCHERS Don't poll — get woken up

Arm a paid watcher on fx and we push a signed callback the moment it happens — no polling loop. All watchers →

Fx rate $0.05get a signed callback when an FX pair crosses a rate you set.
fx.rates$0.0012
Daily reference exchange rates from the European Central Bank (via Frankfurter).
GET /api/fx/rates
fx.timeseries$0.0014
Historical daily exchange-rate series from the European Central Bank (via Frankfurter), with computed summary statistics.
GET /api/fx/timeseries

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