R/IV x402 Verification API

active

Machine-payable independent verification primitives for AI agents.

Settled via Coinbase.

Transactions · 30d
1
Volume · 30d
$0.10
Unique buyers · 30d
2
Uptime · 30d
50.0%
Latency p50
92ms
Reported calls · 30d
3

Endpoints (46 live)

  • POST /x402/execute/provenance.receipt — R/IV provenance.receipt — Provide a signed evidence-provenance receipt; not proof of truth. (0.1 USDC on Base)
  • POST /x402/execute/source.snapshot — R/IV source.snapshot — Independent evidence verification with traceable result. (0.49 USDC on Base)
  • POST /x402/execute/citation.verify — R/IV citation.verify — Fact-check whether a cited URL actually supports a claim. (0.49 USDC on Base)
  • POST /x402/execute/control.check — R/IV control.check — Independent evidence verification with traceable result. (29 USDC on Base)
  • POST /x402/execute/workflow.verify — R/IV workflow.verify — Independent evidence verification with traceable result. (5.99 USDC on Base)
  • POST /x402/execute/claim.check — R/IV claim.check — Independently check a factual claim against cited public source URLs. (0.99 USDC on Base)
  • POST /x402/execute/ai.use.audit — R/IV ai.use.audit — Independent evidence verification with traceable result. (249 USDC on Base)
  • POST /x402/execute/vendor.diligence — R/IV vendor.diligence — Independent evidence verification with traceable result. (249 USDC on Base)
  • POST /x402/execute/model.change.audit — R/IV model.change.audit — Independent evidence verification with traceable result. (39 USDC on Base)
  • POST /x402/execute/number.verify — R/IV number.verify — Independent evidence verification with traceable result. (0.49 USDC on Base)
  • POST /x402/execute/agent.action.verify — R/IV agent.action.verify — Verify evidence and authorization before an AI agent acts. (1.49 USDC on Base)
  • POST /x402/execute/transaction.verify — R/IV transaction.verify — Independent evidence verification with traceable result. (1.99 USDC on Base)
  • POST /x402/execute/fact.extract — R/IV fact.extract — Independent evidence verification with traceable result. (0.99 USDC on Base)
  • POST /x402/execute/quote.verify — R/IV quote.verify — Independent evidence verification with traceable result. (0.49 USDC on Base)
  • POST /x402/execute/answer.audit — R/IV answer.audit — Independent evidence verification with traceable result. (5.99 USDC on Base)
  • POST /x402/execute/data.flow.verify — R/IV data.flow.verify — Independent evidence verification with traceable result. (39 USDC on Base)
  • POST /x402/execute/source.verify — R/IV source.verify — Independent evidence verification with traceable result. (0.29 USDC on Base)
  • POST /x402/execute/investigation.run — R/IV investigation.run — Independent evidence verification with traceable result. (249 USDC on Base)
  • POST /x402/execute/evidence.bundle — R/IV evidence.bundle — Independent evidence verification with traceable result. (12.99 USDC on Base)
  • POST /x402/execute/procurement.evidence — R/IV procurement.evidence — Independent evidence verification with traceable result. (39 USDC on Base)

+26 more endpoints.

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