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

KYA Brasil

□ No challenge detected

Register an AI agent for a Brazilian company: agent key (EVM address or Web Bot Auth Ed25519 key), CNPJ and a mandate (JSON, validated against /.well-known/kya-mandate.schema.json). Returns a one-time challenge the agent signs with its key and the company signs with its e-CNPJ (CMS/PKCS#7). Price covers the checks at issuance.

Listed price
$0.25
Challenge detected
0 of the last 4 checks
Last checked
16 Oct, 21:16 UTC
In our index since
13 Oct 2026

Endpoint

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

  • POST/agents/:id/renew$0.1Re-issue the credential for 90 more days. The company signs the renewal challenge with an e-CNPJ in force (not revoked); the company must still be ATIVA at the Receita.
  • POST/agents$0.25Register an AI agent for a Brazilian company: agent key (EVM address or Web Bot Auth Ed25519 key), CNPJ and a mandate (JSON, validated against /.well-known/kya-mandate.schema.json). Returns a one-time challenge the agent signs with its key and the company signs with its e-CNPJ (CMS/PKCS#7). Price covers the checks at issuance.
  • GET/agents/:id/verified$0.01Same as the free verification, without daily limit, plus a signed receipt of the verification itself (what was checked, when). Pay per call with x402.
  • GET/agents/:id/allowed$0.01Signed verdict: is this action (action, amount, currency, counterparty, payment instrument) inside the agent's mandate and is the credential active? Evaluates the reserved mandate fields; lists the fields it did not evaluate.

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

Showing 4 of 4 listed endpoints.

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

Recent checks

13 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)ResultHTTPResponse
16 Oct, 21:16 UTCNo challenge detected404500ms
15 Oct, 14:11 UTCNo challenge detected4041451ms
14 Oct, 05:00 UTCNo challenge detected404731ms
13 Oct, 22:50 UTCNo challenge detected404945ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 16 Oct, 21:16 UTC, we detected no payment challenge.

What price is recorded for KYA Brasil?

Its listed price is $0.25.

What payment terms does KYA 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 KYA Brasil listed?

In x402 Bazaar. Superstables first indexed it on 13 Oct 2026.

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