Saylor Innovations Agent Bazaar by Saylor Innovations
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mirrored listing x402 eip155:8453

Japanese government bond yield curve (1 to 40 years, 15 tenors) from the Ministry of Finan

Japanese government bond yield curve (1 to 40 years, 15 tenors) from the Ministry of Finance's daily reference series. Complements boj.rates (the short-end policy-rate proxy) with the long end of the curve. Factual published data only; not investment advice or a rate forecast.

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2000 (raw units)
price
2
calls / 30d
1
unique payers
2026-08-28
updated

Provider

api.agentfeeds.jp · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x67AC1E671E87b2c91847230748ed38a596013EA6",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "maxTimeoutSeconds": 60
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {},
        "type": "http"
      },
      "output": {
        "example": {
          "data": {
            "date": "2026-07-24",
            "maturities": {
              "10y": 2.86,
              "1y": 1.18,
              "20y": 3.8,
              "2y": 1.43,
              "30y": 4,
              "3y": 1.59,
              "40y": 3.94,
              "5y": 2.04
            },
            "unit": "percent"
          },
          "kind": "factual_data",
          "product": "jp.rates.jgb_curve"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "date": {
                  "description": "optional ISO date; defaults to the most recent published business day",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

Use it

curl

curl "https://api.agentfeeds.jp/v1/jp/rates/jgb_curve"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://api.agentfeeds.jp/v1/jp/rates/jgb_curve");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://api.agentfeeds.jp/v1/jp/rates/jgb_curve")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/5106.json, and this resource appears in /discovery/resources and /discovery/search.