Discover / api.agentfeeds.jp

api.agentfeeds.jp

■ Challenge detected

Freshness heartbeat only (list date, address count, fetched_at) for both Japan MOF and OFAC sanctions lists. No addresses. Cheapest polling entry point for change-detection loops.

x402
Base
USDC

Listed price: $0.001
Challenge detected: 10 of the last 10 checks
Median response: 597 ms
Last checked: 17 Oct, 07:50 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://api.agentfeeds.jp/v1/reg/sanctions/heartbeat
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

13 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://api.agentfeeds.jp/v1

GET/reg/sanctions/heartbeat$0.001Freshness heartbeat only (list date, address count, fetched_at) for both Japan MOF and OFAC sanctions lists. No addresses. Cheapest polling entry point for change-detection loops.
GET/jp/labor/unemployment_rate$0.002Japan's unemployment rate from the Statistics Bureau's Labour Force Survey, not seasonally adjusted, monthly since 2000, broken out by total/male/female. Same e-Stat API family as estat.search/estat.table_data. Factual published data only; not investment advice or a forecast.
GET/reg/sanctions/ofac/check$0.002Single-address screening against OFAC SDN List digital currency addresses. Source: U.S. Department of the Treasury (public domain, CC0). Factual; not legal or compliance advice.
GET/reg/events/headlines$0.002Cheapest tier: headlines only (original + machine-translated title) across all 11 Japan regulatory sources, no summary. Upsell entry point to /v1/reg/events. Factual; not legal advice.
GET/boj/rates$0.002Historical and current Japanese interest-rate series from the Bank of Japan's official Time-Series Data Search Site: the unsecured overnight call rate (proxy for the BOJ policy rate operating target, daily since 1998) and the basic discount/loan rate (formerly 公定歩合, daily since 1882). Factual published data only; not investment advice or a rate forecast.
GET/jp/fx/customs_rate$0.002Weekly official Japan Customs reference exchange rate (税関長公示レート) used to convert import declaration values to yen under Article 4-7 of the Customs Tariff Law -- a live proxy to the Customs weekly CSV, not a real-time market rate. Source: Japan Customs (customs.go.jp), whose terms of use explicitly permit commercial use. Factual published data only; not a live FX quote or trading advice.
GET/jp/macro/leading_index$0.002Cabinet 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.
GET/jp/rates/jgb_curve$0.002Japanese 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.
GET/reg/sanctions/check$0.002Screen a crypto address (EVM/BTC/TRON etc.) against Japan MOF asset-freeze sanctions designations (外為法・資産凍結措置). Returns match status with designated-entity details and list date. Source: Ministry of Finance Japan official CSV, updated daily. Factual screening data; not legal advice. Free meta sample: /v1/sample/reg.sanctions
GET/jp/fx/intervention_record$0.002Individual yen foreign-exchange intervention operations (date, amount, currency pair) from the Ministry of Finance's official record, 1991-present. Quarters with no intervention are simply absent from the list rather than zero-padded. Factual published data only; not investment advice or a signal to trade on.
GET/chain/gas/base$0.002Base network gas fee statistics (1-minute baseFeePerGas buckets): p25/p50/p90/p99 and the current value's percentile rank within the window. Descriptive statistics only; not investment advice.
GET/dex/wrapped/parity$0.003Wrapped-BTC parity monitor on Base: WBTC/cbBTC on-chain pool price vs 1:1 parity, in bps, plus consecutive-minute streak beyond a deviation threshold. Useful for collateral-acceptance decisions between BTC wrappers of the same underlying asset. Descriptive statistics only; not investment advice.
GET/jp/debt/balance$0.003Central government debt balance by category (JGBs total, of which General Bonds; FILP bonds; Borrowings; Financing Bills; grand Total; separately Government-Guaranteed Debt) from the Ministry of Finance, quarter-end, 5-year trend. Factual published data only; not investment advice.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 13 of 13 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/api.agentfeeds.jp

Recent checks

27 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.17 Oct 2026

All 10 checks

When (UTC)	Result	HTTP	Response
17 Oct, 07:50 UTC	Challenge detected	402	586ms
15 Oct, 23:42 UTC	Challenge detected	402	622ms
14 Oct, 17:17 UTC	Challenge detected	402	560ms
12 Oct, 15:35 UTC	Challenge detected	402	597ms
11 Oct, 00:15 UTC	Challenge detected	402	573ms
9 Oct, 18:38 UTC	Challenge detected	402	596ms
8 Oct, 15:35 UTC	Challenge detected	402	734ms
7 Oct, 09:33 UTC	Challenge detected	402	1013ms
6 Oct, 09:33 UTC	Challenge detected	402	715ms
27 Sept, 05:02 UTC	Challenge detected	402	554ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 07:50 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for api.agentfeeds.jp?

Its listed price is $0.001.

What payment terms does api.agentfeeds.jp advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is api.agentfeeds.jp listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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