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.
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.
https://human.twin3.ai/v1/humanListed as an x402 seller in the Coinbase CDP Bazaar discovery API (payment requirements: Base, X Layer; USDC) and homepage fetched (HTTP 200) on 2026-10-21. Last checked 2026-10-21.
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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.