# Services from kya-br-agents.marcelfons.workers.dev on Zero

> kya-br-agents.marcelfons.workers.dev serves 4 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/kya-br-agents.marcelfons.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/kya-br-agents.marcelfons.workers.dev/health.json

## Services

- [KYA Brasil – Agent Mandate & Credential Allowance Check](https://www.zero.xyz/c/kya-brasil-agent-mandate-credential-allowance-check-f6b8e1d2/llms.txt): $0.01/call via x402. Returns a signed verdict indicating whether a proposed action (type, amount, currency, counterparty) is within an AI agent's mandate and whether its credential is currently active, plus a list of fields not evaluated.
- [KYA Brasil – Verified Agent Credential Retrieval (Signed)](https://www.zero.xyz/c/kya-brasil-verified-agent-credential-retrieval-signed-dbb486b5/llms.txt): $0.01/call via x402. Retrieves a signed, timestamped verification receipt confirming a Brazilian AI agent's KYC/compliance status, with no daily rate limit.
- [KYA Brasil Agent Registration](https://www.zero.xyz/c/kya-brasil-agent-registration-d2b1a5d3/llms.txt): $0.25/call via x402. Registers an AI agent to act on behalf of a Brazilian company (CNPJ) by issuing a signed challenge that the agent and the company's e-CNPJ must countersign to produce a verifiable credential.
- [KYA Brasil – Renew Agent Credential](https://www.zero.xyz/c/kya-brasil-renew-agent-credential-bbe3b7f9/llms.txt): $0.1/call via x402. Re-issues a Brazilian AI agent credential for 90 more days, requiring the company's e-CNPJ to be valid and the company to be ATIVA at Receita Federal.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)