Trust, Security & Verification that accept crypto

Before an agent pays, it should check. These services verify x402 endpoints, score counterparties, screen wallets and produce audit trails, all paid per call in crypto.

26 listings. Each shows the payment protocol, networks, tokens, typical price per call and the source we verified it from. Compare them in a table, sorted by listed price →

EU Compliance Tools

eucompliance.tools

41 agent tools over MCP and x402: signed compliance, market and on-chain decisions, a professional EU counterparty dossier, a free deterministic tool router, and three fixed-price LLM tiers. Ten tools are free;

USDCArbitrumBasePolygon

x402 Trust

x402-trust.com

Trust, reputation & reliability scores for x402 endpoints. We monitor every listed x402 service 24/7: uptime probes, 402-envelope compliance, price history, and real on-chain USDC settlement volume.

USDCBase

x402lint

x402lint.dev

The conformance scanner for x402 sellers — SSL Labs for x402. 25 checks across your protocol surface, agent docs, and directory standing return an A–F grade with per-check evidence and fixes.

USDCBase

vrsai

vrsai.tech

Machine-native capabilities for autonomous systems through HTTPS and MCP, with explicit contracts, machine-readable commerce, and verifiable outcomes.

USDCBaseSolana

twin3

twin3.ai

twin3 provides the foundational Digital Body and infrastructure for the Agentic Economy. Deploy your personal Agent (xHuman.ID) and enterprise Agent Card (xAgent.ID) in minutes.

USDCBaseX Layer

SVM402

svm402.com

SVM402 is the Solana x402 conformance and resilience lab for payment agents: deterministic payment-failure scenarios, every call paid in USDC via x402 v2, on-chain settlement receipts, devnet and mainnet, with full…

USDCSolana

TrustLayer

thetrustlayer.xyz

Reputation intelligence for the autonomous agent economy. Trust scores, Sybil detection, and cross-chain identity for 130,000+ ERC-8004 agents across 20 chains. Powered by x402 micropayments.

USDCBase

t54

t54.ai

Trust, risk and compliance for the agentic economy, including the open-source x402-secure SDK/proxy and agent credit for paying x402 services.

stablecoinsXRPLSolanaBase

zauth

zauthx402.com

Security for the agentic internet: endpoint verification, AI security scanning, GitHub code analysis and API monitoring, all payable with crypto via x402.

USDCBaseSolana

x402check

x402check.xyz

Pre-payment risk checks for x402 agents and wallets: OFAC SDN screening, phishing and drainer feeds, a watch of drainer infrastructure on Ethereum and Base, and transaction simulation.

USDCBasePolygonArbitrum

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