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.
USDCAlgorandBaseSolana
SchemaSure
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.
Crypto payment details
- Payment protocol
- x402
- Networks
- Base
- Tokens
- USDC
- Typical price per call
- $0.02–$0.06 per call (check the provider for current pricing)
- Example paid endpoint
https://chrono.schemasure.com/v1/business-time- Listed in
- Coinbase CDP x402 Bazaar
- More tools on
- Base
How we verified it
Listed as an x402 seller in the Coinbase CDP Bazaar discovery API (payment requirements: Base; USDC) and homepage fetched (HTTP 200) on 2026-10-21. Last checked 2026-10-21.
- https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources?limit=1000
- https://schemasure.com/
The description summarizes the provider's own site. YourAITools is not affiliated with SchemaSure. Listing a tool is not an endorsement: check pricing and terms with the provider before paying.
Is this your tool? Update the listing or get it featured. Paid endpoint checks are coming soon.
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