Hs tariff section301 brief

x402 resource x402 REST

x402-niche-briefs.fly.dev · x402-niche-briefs.fly.dev · Other services

Provider site ↗

US Harmonized Tariff Schedule (HTSUS) chapter overview, Section 301 China List 1-4A additional duty bands, PGA agency flags (FDA, FCC, CPSC, TSCA, Lacey Act), and 19 USC 1304 Country of Origin marking checklist. Pass ?chapter=85_electronics|39_plastics|62_apparel|94_furniture|95_toys&origin=CN. Educ

Price per call 0.01 USDC per call published unit: per call

Calls · 30d 1 counted by the source, no daily split

Payers · 30d 1 distinct paying addresses seen by the source

Observed inflows · 30d — not attributable

Inflow growth · 7d — not comparable (baseline under $1 or window incomplete)

Payment evidence Attribution blocked confidence: low · read 2026-11-01

Observed inflows · last 30 days

No inflow observed in this window

The payout address is also published by 379 other service(s); the volume cannot be attributed to one of them.

Observed inflows by window for Hs tariff section301 brief.
Window	Observed	Transfers
Last complete day (2026-10-31)	—	—
Last 7 days	—	—
Last 30 days	—	—
Growth, 7d against the 7 before	not comparable

Source: on-chain transfer scan (USDC on Base) Window: 2026-10-02 → 2026-10-31 Scanned: 30/30 days Sample: 0 days with a measurement First seen: never Last update: 2026-10-31

Daily history →. Observed transfers show value arriving at the payout address; they do not establish service revenue.

Blockchain wallets

Full addresses · public payment evidence

Receiving wallets are payment addresses published for this service. Sending wallets transferred funds to an exclusive receiving address; this alone does not prove a purchase or identify an agent.

Receiving wallets · provider payment addresses

All published receiving wallet addresses for Hs tariff section301 brief.
Network	Full wallet address	Evidence
Base	0x847f54ae8ddfd71ed7bc930c1f7a73576fab03a9	Shared address · activity cannot be assigned to this serviceFrom source record · source: x402_bazaar

Sending wallets · observed counterparties

No sending wallet addresses have been retained for this service. Buyer wallets are unknown; daily totals and reported payer counts do not reveal their addresses.

Coverage includes retained scans only, not every historical transaction. Earlier daily totals cannot recover sender addresses. Sender lists exclude shared receiving wallets, whose transfers could belong to another service. A provider address does not establish wallet ownership.

Competitors & category benchmark

Rank the whole category →

Closest competitors Other services

Send native 14,734 calls · 0.05 USDC per call —
Submit 2,431 calls · 0.002 USDC per call —
Gas now 541 calls · 0.001 USDC per call —
Translate 532 calls · 0.00138 USDC per call —
Hash 503 calls · 0.002 USDC per call —

Sorted by source-measured calls, not by our opinion. The right-hand figure is observed inflow, which stays empty for peers whose address is shared.

Category benchmark 15,948 services in this category

With a measured call count	2,240 (14.0 %)
With a published price	3,601 (22.6 %)
With attributable inflows	94 (0.6 %)
Observed inflows · 30d	$92.91
Median measured calls	2
Median price per call	$0.01

Similar services

All of Other services →

Send native x402 REST usage

Pay the send-native execution fee (native coin transfer)

keyring-agent.blockchhub.link Other services 14,734 calls / 30d checked 2026-11-01

0.05 USDC per call per call

Submit x402 REST usage

Chainlink For Agents: submit a signed operation payload.

agents.chain.link Other services 2,431 calls / 30d checked 2026-11-01

0.002 USDC per call per call

Gas now x402 REST usage

Gas Now — Current gas price and latest block on Robinhood Chain or Base.

wafermap.xyz Other services 541 calls / 30d checked 2026-10-28

0.001 USDC per call per call checked

Translate x402 REST usage

Translate — Translate text between 100 languages with M2M100.

wafermap.xyz Other services 532 calls / 30d checked 2026-11-01

0.00138 USDC per call per call

Chosen by category and by whether we have measured them, not by who pays us. A sponsored placement in this list is labelled as such.

Service details, payment routes and source evidence

Where you can pay

1 route from the provider's payment requirements

Payment networks and amounts published for Hs tariff section301 brief.
Network	Scheme	Amount	Asset
Base	exact	0.01	USDC

“exact” is the price per call. “upto” is a ceiling the client sets, not a price. Atomic amount 10000 = 0.01 USDC per call on Base.

What you can call

access: payment per call (x402)

endpoint https://x402-niche-briefs.fly.dev/v1/hs-tariff-section301-brief

Request

{
    "method": "GET",
    "queryParams": {
        "chapter": "85_electronics",
        "origin": "CN"
    },
    "type": "http"
}

Response

{
    "example": {
        "as_of": "2026-10-25",
        "chapter": "85_electronics",
        "chapter_title": "Chapter 85 \u2014 Electrical machinery and equipment and parts thereof; sound recorders and reproducers",
        "country_of_origin": "CN",
        "customs_compliance_checklist": [
            "Verify 10-digit HTSUS code against the official USITC Harmonized Tariff Schedule (https://hts.usitc.gov) and CROSS binding rulings.",
            "Ensure every imported article (or its retail container) is permanently marked in English with the country of origin (19 U.S.C. 1304, e.g., 'Made in China' or..."
        ],
        "disclaimer": "Educational reference and automated checklist only; not legal advice.",
        "key_classification_drivers": [
            "Principal function under Section XVI Note 3 (composite machines)",
            "Voltage rating, wireless transmission capability (8517 vs 8543), and battery chemistry (8507.60 lithium-ion)"
        ],
        "pga_agency_flags": [
            "FCC (import conditions on RF devices)",
            "DOE (external power supplies / energy conservation)"
        ],
        "section_301_applicable": true,
        "section_301_summary": "List 1, List 2, List 3 (25%), or List 4A (7.5%); note 2024-2026 USTR increases on lithium-ion batteries (8507.60 -> 25%), solar cells, and semiconductors (50...",
        "typical_mfn_base_duty_range": "0% to 3.9% MFN base duty (many consumer IT/audio headings are Free under ITA, while cables/adapters carry 2.6%-5.3%)"
    },
    "type": "json"
}

Examples are the provider's own, not a call we made.

Opportunity insights

2 findings from measured data

Payment attribution is blocked

The payout address is shared with 379 other service(s). That is normal for facilitator and platform addresses, and it is why this profile shows no inflow figure. The volume exists — it just cannot be split without inventing a rule.
How attribution works →
Category benchmark

94 of 15,948 services (0.6%) in Other services have attributable inflows; 2,240 have a source-measured call count. Median measured calls: 2.
Rank this category by observed inflows →

What the provider says

Quoted from x402 Bazaar · source record · read 2026-11-01

Facts and where they come from

Price: 0.01 USDC per call Provider claim
Recorded value: 0.01 USDC per call.
Unit: per call
Protocol: x402, REST · transport: HTTP Provider claim
Auth: x402
Endpoint: https://x402-niche-briefs.fly.dev/v1/hs-tariff-section301-brief
Source: x402 Bazaar (Coinbase CDP) · Public discovery API (provider-published records)
Last checked: Not checked by us yet — the data is as the source published it
First seen: 2026-10-26
Usage: 1 calls · 1 unique payers in the 30 days before 2026-10-26. Measured by the x402 Bazaar, not by us and not by the provider.

Money, and what it actually proves

Verified revenue · 30d Unknown

Observed inflows · 30d —

Attribution Shared

Receipt ledger Not connected

Attribution blocked · confidence low
The payout address is also published by 379 other service(s); the volume cannot be attributed to one of them.

Why revenue is “unknown”. A revenue figure needs a receipt: an amount a buyer actually paid for this service. We hold none for this entry, and we hold no funds at all. What we have instead is an activity value of $0.01 — the source's call count multiplied by the published price. That is what the list price implies, not what anyone paid. The payout address is also published by 379 other service(s); the volume cannot be attributed to one of them.

Daily market statistics — the ledger view, day by day

No daily history has been archived for this service yet. Open the full daily history →

Payment rails

Base · exact · USDC

0x847f54ae8dDFD71ed7bC930C1f7a73576FAb03A9

0.01 USDC

From source record

A payment rail is where the provider asks to be paid. It is not proof that anything was paid through it.

Provenance

One row per statement. “Verified” means we checked it ourselves and the finding is quoted. “Provider claim” means we read it in the provider's own record. “Not found” is a statement about our search, not proof of absence.

Statement	Status	What we found	Source	Checked
Endpoint	Provider claim	https://x402-niche-briefs.fly.dev/v1/hs-tariff-section301-brief Evidence Als Resource-URL im Bazaar-Eintrag geführt.	api.cdp.coinbase.com	2026-11-01
Input output	Provider claim	Request/response examples published with the listing Evidence Beispiel-Ein- und -Ausgabe stammen aus dem Bazaar-Eintrag des Anbieters.	api.cdp.coinbase.com	2026-11-01
Payment	Provider claim	1 rail: Base · payee 0x847f54ae8dDFD71ed7bC930C1f7a73576FAb03A9 Evidence Aus den `accepts`-Einträgen: Netzwerk, Asset, Empfängeradresse und Betrag. Die Adresse ist die Grundlage der späteren On-Chain-Zuordnung; sie ist noch nicht durch eine eigene 402-Antwort bestätigt.	api.cdp.coinbase.com	2026-11-01
Pricing	Provider claim	0.01 USDC per call Evidence Atomic amount 10000 = 0.01 USDC per call on Base. Netzwerk: Base.	api.cdp.coinbase.com	2026-11-01
Protocol	Provider claim	x402 (HTTP 402 payment challenge) Evidence Im x402 Bazaar als zahlungspflichtige HTTP-Ressource gelistet (x402Version 2, Typ http).	api.cdp.coinbase.com	2026-11-01
Provider	Provider claim	x402-niche-briefs.fly.dev Evidence Die Ressource wird unter diesem Host im x402 Bazaar geführt; die Angaben stammen vom Anbieter.	api.cdp.coinbase.com	2026-11-01
Usage	Verified	1 calls / 1 unique payers in the last 30 days Evidence Source-reported usage from Coinbase x402 Bazaar, read on 2026-11-01. Letzter Aufruf laut Quelle: 2026-10-26T00:46:07.653Z. Aufrufe sind kein Umsatz.	api.cdp.coinbase.com	2026-11-01

Endpoint checks

We have not called this endpoint yet. Until we do, everything above is what the source published — no more.

Price

0.01 USDC per call

price checked 2026-11-01 Open at x402-niche-briefs.fly.dev

You buy from the provider, not from us. This page takes no payment, holds no funds and stores no wallet keys.

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