Discover / kyb-br-agents.marcelfons.workers.dev

KYB Brasil

■ Challenge detected

Up to 10 CNPJs in one paid call (one payment, 25% off): br_sanctions_screen for each. Per-item errors are reported inline in results[]; the call fails (and is not charged) only when no item succeeds. Signed answer (Ed25519 attestation), verifiable at /v1/verify.

x402
Base
USDC

Listed price: $0.15
Challenge detected: 4 of the last 4 checks
Median response: 738 ms
Last checked: 16 Oct, 23:40 UTC
In our index since: 12 Oct 2026

Endpoint

curl -i https://kyb-br-agents.marcelfons.workers.dev/v1/batch/sanctions
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

5 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://kyb-br-agents.marcelfons.workers.dev/v1

GET/list$0.05Prospecting list: one page of 100 ACTIVE Brazilian establishments matching a filter (CNAE code or prefix, state/UF, city, opening date range, headquarters only), with CNPJ, legal and trade name, city/state, main activity and opening date. Stable paging by CNPJ; total and next_page included. Source: Receita Federal monthly registry; MEI owners' CPFs masked. Signed answer (Ed25519 attestation), verifiable at /v1/verify.
GET/batch/sanctions$0.15Up to 10 CNPJs in one paid call (one payment, 25% off): br_sanctions_screen for each. Per-item errors are reported inline in results[]; the call fails (and is not charged) only when no item succeeds. Signed answer (Ed25519 attestation), verifiable at /v1/verify.
GET/sanctions$0.02Screen a Brazilian CNPJ, all branches of the same company (CNPJ root) and its corporate partners against the official CGU sanction lists: CEIS (debarred), CNEP (anti-corruption penalties), CEPIM (barred non-profits), leniency agreements, plus the Ministry of Labour forced-labour employer list. Each hit has type, body, dates, active flag and an evidence URL. Beyond a plain CEIS/CNEP check. Signed answer (Ed25519 attestation), verifiable at /v1/verify.
GET/dossier$0.15One-call KYB due diligence on a Brazilian company: Receita Federal registration + ownership (no personal IDs) + economic group + sanctions (CEIS/CNEP/CEPIM/leniency/forced labour) + PGFN debt and fiscal regularity + IBAMA embargoes + federal contracts + BNDES + OFAC/UN/EU screening + gazette mentions + 0-100 risk score with explained red flags + per-section data quality. Summary in English and Portuguese, sources[].
GET/risk$0.05Red flags a registry check misses, a third of the dossier price: Receita Federal status + sanctions (CEIS/CNEP/CEPIM/leniency/forced labour) + PGFN debt and fiscal regularity (Simples/MEI, CND hint) + IBAMA embargoes + court cases (DJEN, 12 months) + OFAC/UN/EU screening + economic group (companies sharing partners) + 0-100 risk score + per-section data quality. No contracts, BNDES or gazettes. Signed answer (Ed25519 attestation), verifiable at /v1/verify.

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

Showing 5 of 5 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/kyb-br-agents.marcelfons.workers.dev

Recent checks

12 Oct 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.16 Oct 2026

All 4 checks

When (UTC)	Result	HTTP	Response
16 Oct, 23:40 UTC	Challenge detected	402	730ms
15 Oct, 19:10 UTC	Challenge detected	402	1221ms
14 Oct, 12:00 UTC	Challenge detected	402	744ms
12 Oct, 06:05 UTC	Challenge detected	402	732ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 23:40 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 KYB Brasil?

Its listed price is $0.15.

What payment terms does KYB Brasil 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 KYB Brasil listed?

In x402 Bazaar. Superstables first indexed it on 12 Oct 2026.

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