Is X402 Safe?

X402 — Nerq Trust Score 65.2/100 (B- grade). Score based on 2 independent trust signals. Last analyzed: 2026-03-20

X402 is a npm package (pay for API resources with USDC) with a Nerq Trust Score of 65.2/100 (B-), based on 3 independent data dimensions. Last analyzed: 2026-03-20 Security: 90/100. Popularity: 30/100. Data sourced from npm registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard. Last updated: 2026-03-20. Machine-readable data (JSON).

Safety Guide: X402

What is X402?

X402 is a Node.js package — x402 payment protocol client for AI agents on Sui — pay for API resources with USDC.

How to Verify Safety

Run npm audit to check for vulnerabilities. Review the package's GitHub repository for recent commits.

You can also check the trust score via API: GET /v1/preflight?target=@t2000/x402

Key Safety Concerns for Node.js package

When evaluating any Node.js package, watch for: dependency vulnerabilities, malicious packages, typosquatting.

Measured Signals

X402 has a Nerq Trust Score of 65/100 (B-). This score is a composite of automated measurements of security, maintenance, community, and quality signals.

Key Takeaways

• X402 has a Trust Score of 65/100 (B-).
• The score is a measured composite — it is not a suitability judgment. Evaluate the individual signals against your own requirements.
• Query the current measured values via the Nerq API.

Disclaimer: Nerq trust scores are automated measurements based on publicly available signals. They are not endorsements, verdicts, or guarantees of suitability. Always evaluate the signals against your own requirements.