Japan Jgb Yield Curve

Japan government bond (JGB) yield curve from 1 to 40 years, daily, with the 10Y-2Y spread.

Overview

Japan government bond (JGB) yield curve from 1 to 40 years, daily, with the 10Y-2Y spread. Source: Ministry of Finance Japan (Public Data License 1.0), processed by Vextorium.

Endpoint

Method	Endpoint	Price	Description
POST	/v1/marketplace/api/japan-jgb-yield-curve-42309	$0.00345	Invoke Japan Jgb Yield Curve (Defi) 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 -X POST https://api.jarvisclaw.ai/v1/marketplace/api/japan-jgb-yield-curve-42309 \
  -H 'Content-Type: application/json' \
  -d '{}'

# 2. Pay it (the SDK signs and retries for you)
curl -X POST https://api.jarvisclaw.ai/v1/marketplace/api/japan-jgb-yield-curve-42309 \
  -H 'Content-Type: application/json' \
  -H 'X-PAYMENT: <signed-payload>' \
  -d '{}'

Open in the marketplace