Rubric Protocol (TenPrint)
rubric-protocol.com
Prove your AI followed the rules — without exposing your models or data. TenPrint creates tamper-evident, independently verifiable audit trails for every AI decision.
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 →
rubric-protocol.com
Prove your AI followed the rules — without exposing your models or data. TenPrint creates tamper-evident, independently verifiable audit trails for every AI decision.
agents-trust.com
Find paid APIs for a task and check an endpoint before paying. Agents Trust returns API URLs, pricing, reliability, delivery evidence and risk flags.
schemasure.com
Eleven pay-per-call APIs for the decisions an agent cannot afford to guess. Base or Tempo payments, evidence with every answer, and no charge for a failed call.
aidress.ai
Aidress lets agents discover, verify, and transact with counterparties they have never met, without a human in the loop.
scvd.store
An evidence observatory for agentic commerce: preflight an x402 endpoint before paying, free conformance checks on the receipt after, a Bitcoin-anchored corpus.
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;
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.
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.
delx.ai
Delx is an independent AI agent lab building and studying continuity, recovery, verifiable work and governed exchange for autonomous systems.
paddock.finance
Agent payments have no chargeback. Paddock is pre-payment verification for AI agents. Real, live, and fairly priced, checked before your agent pays.
secondedoracle.xyz
SECONDED: a signed second opinion before your agent signs a trade, buys a token, pays or trusts a message. From $0.10 a check over x402, with no account.
vrsai.tech
Machine-native capabilities for autonomous systems through HTTPS and MCP, with explicit contracts, machine-readable commerce, and verifiable outcomes.
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.
twzrd.xyz
Pre-spend trust gate for autonomous agents. Check observed x402 payment behavior before spend and verify signed V7 receipts downstream.
fronesislabs.com
A deterministic cryptographic audit layer for AI agents. Tamper-evident hash chain, pay-per-call in USDC via x402.
hexscan.xyz
Check any ERC-20 token for honeypots, rug-pulls, malicious taxes, and source verification. GoPlus-powered risk score 0-100. $0.10/scan via x402.
api.verdixapi.com
Pre-transfer risk check for EVM addresses on Base. x402-paid API: POST an address, get a safe/caution/danger verdict before you send funds.
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…
getrugshield.com
RugShield aggregates Solana risk checks: one API call runs independent advisors in parallel, plus our own code-based flags. Pay in USDC via x402.
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.
aurelianflo.com
Pay-per-call OFAC wallet screening, batch crypto sanctions checks, EDD memos, and audit-ready document output. Built for humans, AI agents, OpenAPI, MCP, and x402.
thetruthpal.com
TruthPal is the evidence layer for AI agents. Verify whether a supplied source supports a claim, for $0.02 USDC per verification.
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.
zauthx402.com
Security for the agentic internet: endpoint verification, AI security scanning, GitHub code analysis and API monitoring, all payable with crypto via x402.
lionx402.com
Keyless x402 API on Base for AI agents: OFAC wallet screening, multi-list sanctions checks and verified company data.
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.
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