Discover / rubric-protocol.com
TenPrint
■ Challenge detectedAttested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response carries the ML-DSA-65 attestation ID of the served snapshot — tamper-evident reference data for agents that must prove what they knew when they acted.
- Listed price
- $0.001
- Challenge detected
- 10 of the last 10 checks
- Median response
- 104 ms
- Last checked
- 17 Oct, 08:59 UTC
- In our index since
- 26 Sept 2026
Endpoint
curl -i https://rubric-protocol.com/v1/x402/hedera-facts/exchange-rate # 402 Payment Required: pay with an x402 client (USDC on Algorand), # then send the same request again with the payment attached.
31 listed endpoints · on x402 Bazaar
Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.
Base URLhttps:
- POST/tiered-attest$0.005One post-quantum-signed AI decision attestation, anchored to Hedera mainnet HCS.
- GET/hedera-facts
/anchor-costNo price listedAttested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response carries the ML-DSA-65 attestation ID of the served snapshot — tamper-evident reference data for agents that must prove what they knew when they acted. - GET/hedera-facts
/allNo price listedAll thirteen attested Hedera network facts in one call at GET /v1/x402/hedera-facts/all, each carrying its own attestation ID. A fact whose upstream cannot answer comes back marked unavailable rather than failing the set. - GET/hedera-facts
/rubric-activityNo price listedAttested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response carries the ML-DSA-65 attestation ID of the served snapshot — tamper-evident reference data for agents that must prove what they knew when they acted. - POST/decision-verifyNo price listedVerify a Rubric decision attestation (DAR/0.1): Merkle inclusion proof, HCS anchor ref, service signature status, drift flag. Pass agentId instead for a chain-check continuity report. Not found means no charge. $0.10 either mode.
- GET/hedera-facts
/topic-stateNo price listedAttested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response carries the ML-DSA-65 attestation ID of the served snapshot — tamper-evident reference data for agents that must prove what they knew when they acted.
A dash means the listing gives no price or method. Copy buttons copy the full URL.
Showing 6 of 31 listed endpoints. First endpoints
Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/rubric-protocol.com
Recent checks
All 10 checks
| When (UTC) | Result | HTTP | Response |
|---|---|---|---|
| 17 Oct, 08:59 UTC | Challenge detected | 402 | 347ms |
| 16 Oct, 08:13 UTC | Challenge detected | 402 | 76ms |
| 14 Oct, 23:56 UTC | Challenge detected | 402 | 122ms |
| 13 Oct, 10:39 UTC | Challenge detected | 402 | 153ms |
| 11 Oct, 10:02 UTC | Challenge detected | 402 | 114ms |
| 9 Oct, 21:31 UTC | Challenge detected | 402 | 93ms |
| 8 Oct, 15:35 UTC | Challenge detected | 402 | 79ms |
| 7 Oct, 09:33 UTC | Challenge detected | 402 | 281ms |
| 5 Oct, 17:05 UTC | Challenge detected | 402 | 68ms |
| 26 Sept, 05:02 UTC | Challenge detected | 402 | 74ms |
Questions
Did our last probe detect a payment challenge?
At our last probe on 17 Oct, 08:59 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.
What price is recorded for TenPrint?
Its listed price is $0.001.
What payment terms does TenPrint advertise?
The listing advertises x402, Algorand, Base, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.
Where is TenPrint listed?
In x402 Bazaar and x402-list.com. Superstables first indexed it on 26 Sept 2026.
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