{"uid":"cap_KHYR1rRCW8uGOAa3ZyhXE","slug":"rubric-protocol-hedera-gas-fees-facts-6e408cea","name":"Rubric Protocol Hedera Gas Fees Facts","description":"Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response","url":"https://rubric-protocol.com/v1/x402/hedera-facts/gas-fees","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object","required":["fact"],"properties":{"fact":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"format":{"type":"string"},"example":{}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4Bj8MeWO_ojjmOlLtdkbO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns attested Hedera network gas fee data with a post-quantum ML-DSA-65 attestation ID for tamper-evident verification","exampleAgentPrompt":"Fetch the current Hedera gas fees from Rubric Protocol with a post-quantum attestation ID so I have a tamper-evident record of what the fees were when my agent made its decision.","exampleUseCases":[{"title":"Auditable agent cost estimation","prompt":"Before my AI agent submits a Hedera smart contract transaction, grab the current attested gas fees from Rubric Protocol so I have a signed record of the fee data the agent used to decide whether to proceed."},{"title":"Compliance audit trail for AI decisions","prompt":"My compliance team needs proof of what Hedera gas fees were at the exact moment our agent executed a transaction — pull the attested gas fee snapshot with its ML-DSA-65 attestation ID so we can include it in the audit log."},{"title":"Real-time fee monitoring with proof","prompt":"Check what Hedera gas fees are right now using Rubric Protocol and give me the attestation ID alongside the fee data, so I can verify later that the figure hasn't been tampered with."}],"resultDescription":"A snapshot of current Hedera network gas fee data accompanied by an ML-DSA-65 post-quantum attestation ID that uniquely identifies and cryptographically seals the returned snapshot, allowing any party to later verify what data was served at a given moment.","failureModes":["Payment not received or insufficient USDC — returns 402 Payment Required","Hedera mirror node temporarily unavailable — returns 503 with error message","Malformed request method (non-GET) — returns 405 Method Not Allowed","Rate limit exceeded — returns 429 Too Many Requests","Attestation signing failure — returns 500 with internal error"],"whenToPreferThis":"Choose this endpoint when an AI agent needs not just the current Hedera gas fee figure but also a cryptographically attested, tamper-evident record proving what that figure was at decision time — essential for compliance, audit trails, or any scenario where the agent's knowledge must later be independently verified. Prefer over raw Hedera mirror node queries when post-quantum attestation and provable data provenance are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:49:43.957Z","isFirstParty":false}