Best Trust, Security & Verification that accept crypto (2026)
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 compared side by side.
| # | Tool | Protocol | Networks | Tokens | Price / call | Verified |
|---|---|---|---|---|---|---|
| 1 | Aidress | x402 | Arc, Base, Polygon | USDC | $0.001–$0.05 | 2026-10-21 |
| 2 | Delx | x402 | Base, Solana | USDC | $0.001–$0.01 | 2026-10-21 |
| 3 | EU Compliance Tools | x402 | Arbitrum, Base, Polygon | USDC | $0.001–$0.1 | 2026-10-21 |
| 4 | hexscan.xyz | x402 | Base | USDC | $0.001–$0.1 | 2026-10-21 |
| 5 | LION Verified Company Data | x402 | Base | USDC | $0.001–$0.95 | 2026-10-21 |
| 6 | Paddock | x402 | Base | USDC | $0.001–$0.99 | 2026-10-21 |
| 7 | Rubric Protocol (TenPrint) | x402 | Algorand, Base, Solana | USDC | $0.001–$0.5 | 2026-10-21 |
| 8 | SCVD General Store | x402 | Arbitrum, Arc, Base | USDC | $0.001–$21 | 2026-10-21 |
| 9 | TrustLayer | x402 | Base | USDC | $0.001 | 2026-10-21 |
| 10 | twin3 | x402 | Base, X Layer | USDC | $0.001 | 2026-10-21 |
| 11 | TWZRD | x402 | Base, Solana | USDC | $0.001–$0.05 | 2026-10-21 |
| 12 | SVM402 | x402 | Solana | USDC | $0.002–$0.03 | 2026-10-21 |
| 13 | x402check | x402 | Base, Polygon, Arbitrum | USDC | $0.002–$0.1 | 2026-10-21 |
| 14 | x402 Trust | x402 | Base | USDC | $0.005–$0.5 | 2026-10-21 |
| 15 | Agents Trust | x402 | Base, Solana | USDC | $0.01 | 2026-10-21 |
| 16 | AurelianFlo | x402 | Base | USDC | $0.01 | 2026-10-21 |
| 17 | DCL Trust Oracle | x402 | Base | USDC | $0.01–$0.5 | 2026-10-21 |
| 18 | RugShield | x402 | Base, Solana | USDC | $0.01–$0.06095 | 2026-10-21 |
| 19 | Verdix | x402 | Base | USDC | $0.01–$0.5 | 2026-10-21 |
| 20 | vrsai | x402 | Base, Solana | USDC | $0.01 | 2026-10-21 |
| 21 | SchemaSure | x402 | Base | USDC | $0.02–$0.06 | 2026-10-21 |
| 22 | TruthPal | x402 | Base | USDC | $0.02 | 2026-10-21 |
| 23 | x402lint | x402 | Base | USDC | $0.05 | 2026-10-21 |
| 24 | SECONDED | x402 | Arc, Base | USDC | $0.25 | 2026-10-21 |
| 25 | t54 | x402 | XRPL, Solana, Base | stablecoins | Varies, see provider | 2026-10-21 |
| 26 | zauth | x402 | Base, Solana | USDC | Varies, see provider | 2026-10-21 |
How we order this list
Order: lowest listed starting price per call first, then A to Z. Listings without a published price come last. We don’t publish third-party usage statistics. The order is not a ranking of quality or an endorsement, and paid Featured or Sponsored placements never change the order. Prices and networks come from each provider’s own site or payment requirements, verified on the date shown on each tool page.
Browse as cards: all Trust, Security & Verification
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Guides
- What is x402? HTTP 402 payments for APIs and AI agents
- How to accept USDC for your API (pay-per-call with x402)
- AI agent payment protocols compared: x402, MPP, AP2, ACP and L402
- Pay-per-call AI APIs: no account, no API key, pay in USDC
- Pay-per-call web scraper API for AI agents: URL to Markdown with WebRead (x402)
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- OFAC sanctions check API for crypto wallets: screen an address before your agent pays it (PayGuard)
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