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Korean Interest Rates & FX (Bank of Korea / ECOS)
x402
Korean Interest Rates & FX (Bank of Korea / ECOS) is a paid API for AI agents from agent.pocket.network, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-16).
Returns official Korean interest rates (BoK base, call, KOFR, CD, CP, KTB curve 1y-50y) and KRW exchange rates (deal basis, TTB, TTS, weekly customs FX) from Bank of Korea ECOS and Export-Import Bank of Korea sources, with optional natural-language query input.
Price / call$0.005
Success—
StatusUnknown
How this service works
Official Korean interest rates and won exchange rates: Bank of Korea base, call, KOFR, CD, CP and the KTB curve 1y-50y (ECOS); KRW deal basis, TTB and TTS (Export-Import Bank of Korea); weekly customs FX; indicative conversion. Each value is dated and sourced, no forecasts. GET /v1/rates, /v1/rate, /v1/fx, /v1/convert, /v1/customs-fx or POST /v1/query.
Output
A dated JSON response containing one or more of: BoK base rate, call rate, KOFR, CD rate, CP rate, KTB yield curve maturities (1y–50y), KRW deal basis, TTB rate, TTS rate, weekly customs FX rate, and/or an indicative conversion result. Every value includes its source (ECOS or Export-Import Bank of Korea) and the as-of date. No forecasts are included.
Example use cases
KTB yield curve snapshot
“Can you pull the full Korean Treasury Bond yield curve — from 1 year all the way to 50 years — as of today?”
KRW customs FX for trade invoice
“What's the latest weekly customs FX rate for Korean won? I need it for calculating import duties on an invoice.”
Historical CD rate lookup
“What was Korea's CD rate on 2024-03-15? I need the official Bank of Korea figure for that date.”
Technical details
Endpoint
POSThttps://agent.pocket.network/v1/kr-rates-fx-v1?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need official, sourced Korean interest rates or KRW exchange rates — especially BoK base/call/KOFR/CD/CP rates, the full KTB yield curve, or customs/TTB/TTS FX rates from the Bank of Korea or Export-Import Bank of Korea. Prefer it over generic FX APIs when you need regulatory-grade Korean data with source attribution and historical date support. Use the natural language query field when the rate type is easier to express in Korean or plain English.
Side effects
- Date outside available data range returns an error or empty result
- Natural language question not matched to a supported rate type may return a generic or null response
- Requesting a future date returns no data (no forecasts provided)
- Invalid date format (not YYYY-MM-DD) may cause a parsing error
- Network or upstream ECOS data unavailability may result in a service error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| date | string | As-of date (KST), YYYY-MM-DD; default today. |
| question | string | A question in Korean or English, e.g. 국고채 3년 금리. |
Tags
x402
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