Tool detail
Rubric Protocol
Returns attested Hedera network facts — HBAR rate, gas fees, supply, node roster, throughput, topic state — each signed with an ML-DSA-65 attestation ID.
Categories: Onchain data
Use when
- get current Hedera gas fees with a cryptographic attestation
- fetch Hedera network facts an agent can prove it read at action time
- check the HBAR exchange rate or node roster with tamper-evident proof
Not for
- not a multi-chain gas tracker — Hedera only
- not a forecast — a descriptive network snapshot
Inputs
inputs undocumented
Inputs undocumented: the listing has no input schema
Endpoint
- Method
GET- URL
https://rubric-protocol.com/v1/x402/hedera-facts/gas-fees
Payment
- Protocol
- x402
- Listed price
- $0.001 USDC per call on Base
- Payment method
- exact
- Network
- eip155:8453
- Asset
- 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.
Source
- Directory
- Coinbase x402 Bazaar
- Record
- GET https://rubric-protocol.com/v1/x402/hedera-facts/gas-fees
- Retrieved
- 2026-09-30T20:37:07.382Z
- Catalog file SHA-256
6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524- Catalog built
- 2026-09-30T22:31:58.034Z