# Services from trust-agent.io on Zero

> trust-agent.io serves 9 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/trust-agent.io
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/trust-agent.io/health.json

## Services

- [TrustAgent x402 Endpoint Safety Screener](https://www.zero.xyz/c/trustagent-x402-endpoint-safety-screener-1ac0737e/llms.txt): $0.005/call via x402. Screens an x402 HTTP endpoint for payment safety by reading its payment challenge across both protocol versions, extracting the payout wallet, and scoring it for OFAC sanctions, sybil-filtered ERC-8004 reputation, and on-chain behavior.
- [TrustAgent Funding Provenance Chain](https://www.zero.xyz/c/trustagent-funding-provenance-chain-840979eb/llms.txt): $0.010002/call via x402. Traces the funding chain of an EVM address upward to its ultimate funding source and returns a cluster ID to detect manufactured identities
- [TrustAgent Batch Address Verifier](https://www.zero.xyz/c/trustagent-batch-address-verifier-ece67fd1/llms.txt): $0.010003/call via x402. Scores 1–10 EVM addresses on the Base chain for trustworthiness, returning a trust score, risk band, recommendation, and top risk flags for each.
- [TrustAgent OFAC Sanctions Feed (Incremental)](https://www.zero.xyz/c/trustagent-ofac-sanctions-feed-incremental-787d79bb/llms.txt): $0.002003/call via x402. Returns only the OFAC designation and delisting changes since a specified timestamp, enabling privacy-preserving local matching without exposing your counterparty addresses to the service.
- [TrustAgent Agent Search](https://www.zero.xyz/c/trustagent-agent-search-5aee3da3/llms.txt): $0.005001/call via x402. Searches the live ERC-8004 agent registry on Base by skill, domain, or name to return only agents that are currently responding, along with their endpoints and payout wallets
- [TrustAgent Quick Verify](https://www.zero.xyz/c/trustagent-quick-verify-e09a01e6/llms.txt): $0.002/call via x402. Returns a trust score, risk band, and proceed/block recommendation for an EVM address, ERC-8004 agent, or DeFi contract on Base.
- [TrustAgent Deep Verify](https://www.zero.xyz/c/trustagent-deep-verify-b3deb488/llms.txt): $0.01/call via x402. Analyzes a Base-chain contract or DeFi protocol address and returns a trust score, risk band, and pay/block recommendation.
- [TrustAgent ERC-8004 Filtered Agent Registry](https://www.zero.xyz/c/trustagent-erc-8004-filtered-agent-registry-17ac7f01/llms.txt): $0.010001/call via x402. Returns paginated list of ERC-8004-registered Base agents that are actually live and optionally accept x402 payments, filtering out dead or non-compliant registrations.
- [TrustAgent Reputation Lookup](https://www.zero.xyz/c/trustagent-reputation-lookup-0a372857/llms.txt): $0.002006/call via x402. Returns an ERC-8004-based reputation score for a blockchain address, AI agent, or DeFi contract, indicating whether it is safe to pay on Base.

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)