# Services from x402-secure-api.t54.ai on Zero

> x402-secure-api.t54.ai serves 8 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/x402-secure-api.t54.ai
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-secure-api.t54.ai/health.json

## Services

- [x402 Server Security Score](https://www.zero.xyz/c/x402-secure-api-t54-ai-9dfa9f99/llms.txt): $0.01/call via x402. Returns a comprehensive security assessment (0-100 score, risk level, sub-scores, and scam indicators) for any x402 API server URL.
- [x402 Webpage Trust & Phishing Detection](https://www.zero.xyz/c/x402-secure-api-t54-ai-1552b708/llms.txt): $0.01/call via x402. Analyzes a webpage URL for trustworthiness using AI-powered visual screenshots, security checks, and phishing/scam detection, returning a trust score and risk indicators
- [x402 API Health Checker](https://www.zero.xyz/c/x402-secure-api-t54-ai-8affd1c3/llms.txt): $0.01/call via x402. Checks the health of an x402 server by measuring response latency, availability, protocol compliance, and payment endpoint functionality.
- [x402 Server Directory Search](https://www.zero.xyz/c/x402-secure-api-t54-ai-a95e46a2/llms.txt): $0.01/call via x402. Browse and search a paginated, filterable directory of x402-protocol servers with validation status and scoring
- [x402 Social Trust Analyzer](https://www.zero.xyz/c/x402-secure-api-t54-ai-1266d041/llms.txt): $0.01/call via x402. Analyzes the social media reputation and sentiment of an x402 server by examining its Twitter/X presence and community feedback, detecting fake engagement and returning a trust score.
- [Onchain Address Trust Score](https://www.zero.xyz/c/x402-secure-api-t54-ai-12874efa/llms.txt): $0.01/call via x402. Evaluates a blockchain payment address for reputation, transaction history, risk patterns (mixing, scams), and returns a trust/risk score
- [x402 Verifiable Intent & Solana Payment Binding Verifier](https://www.zero.xyz/c/x402-verifiable-intent-solana-payment-binding-verifier-2b27f003/llms.txt): $0.1/call via x402. Verifies Verifiable Intent evidence and validates the binding between agent intent and a Solana x402 payment before executing an agent payment
- [x402-secure Agent Payment Evaluation](https://www.zero.xyz/c/x402-secure-agent-payment-evaluation-2fc4cd04/llms.txt): $0.0001/call via x402. Evaluates an agent's pending payment plan by analyzing its execution trace, returning a risk decision (allow/deny/challenge) with confidence score and risk level

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)