Macro Leading Index
by api.agentfeeds.jp in Search & web
Cabinet Office Composite Index (CI), one of leading/coincident/lagging, 2020=100, monthly since 1980. Same e-Stat API family as estat.search/estat.table_data (routed there rather than the Cabinet Office's own ESRI subdomain, whose commercial-use terms were less clearly stated). Factual published data only; not investment advice or a forecast.
https://api.agentfeeds.jp/v1/jp/macro/leading_index- Price
- $0.002
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 871 ms
- 1.0 s slowest 5%
- Last check
- Passed
- 3 h ago, next any minute now
Reliability
Status and outage history · Atom feed · Watch with other listings
How to call it
GET https://api.agentfeeds.jp/v1/jp/macro/leading_index
Each call costs $0.002 in USDC on Base, paid with the request over x402.
Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.
Example request
From the listing.
GET https://api.agentfeeds.jp/v1/jp/macro/leading_index?limit=6&series=leadingParameters
| Parameter | Type | Required | Description |
|---|---|---|---|
limit | integer | No | 1-200, default 12 (most recent months) |
series | string | No | default leading One of: leading, coincident, lagging. |
Example response
The provider's example. We can't check it without paying.
{
"data": {
"count": 1,
"points": [
{
"month": "2026-05",
"value": 108.3
}
],
"series": "leading",
"unit": "2020=100"
},
"kind": "factual_data",
"product": "jp.macro.leading_index"
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.002.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.agentfeeds.jp/v1/jp/macro/leading_index?limit=6&series=leading'
# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://api.agentfeeds.jp/v1/jp/macro/leading_index?limit=6&series=leading' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
// Pays at most $0.002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.002" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);
// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.agentfeeds.jp%2Fv1%2Fjp%2Fmacro%2Fleading_index
const res = await pay("https://api.agentfeeds.jp/v1/jp/macro/leading_index?limit=6&series=leading");
console.log(res.status, await res.text());Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client
# Pays at most $0.002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.002"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.get("https://api.agentfeeds.jp/v1/jp/macro/leading_index?limit=6&series=leading")
print(res.status_code, res.text)Security scan
No findings
We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 3 h ago | Passed | 402 | 863 ms | $0.002 |
| 9 h ago | Passed | 402 | 863 ms | $0.002 |
| 14 h ago | Passed | 402 | 910 ms | $0.002 |
| 19 h ago | Passed | 402 | 822 ms | $0.002 |
| 24 h ago | Passed | 402 | 835 ms | $0.002 |
Show 10 older checks
| 29 h ago | Passed | 402 | 929 ms | $0.002 |
| 34 h ago | Passed | 402 | 819 ms | $0.002 |
| 38 h ago | Passed | 402 | 871 ms | $0.002 |
| 43 h ago | Passed | 402 | 943 ms | $0.002 |
| 2 days ago | Passed | 402 | 894 ms | $0.002 |
| 2 days ago | Passed | 402 | 964 ms | $0.002 |
| 2 days ago | Passed | 402 | 847 ms | $0.002 |
| 3 days ago | Passed | 402 | 904 ms | $0.002 |
| 3 days ago | Passed | 402 | 897 ms | $0.002 |
| 3 days ago | Passed | 402 | 1.0 s | $0.002 |