{"uid":"cap_je0x2hijQIjkHQpAM0zRI","slug":"rubric-protocol-attested-hedera-staking-facts-fc99487b","name":"Rubric Protocol – Attested Hedera Staking 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/staking","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_jkr5GIH3wH-ky1IJYqi02","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 a post-quantum-attested snapshot of Hedera network staking data (node roster, staking rates, and related facts) with an ML-DSA-65 attestation ID proving tamper-evident provenance.","exampleAgentPrompt":"Fetch me the latest attested Hedera staking facts — I need the node roster and staking data with the ML-DSA-65 attestation ID so I can prove exactly what data I relied on when making this decision.","exampleUseCases":[{"title":"Audit trail for staking decisions","prompt":"Pull the current attested Hedera staking snapshot from Rubric Protocol — I need the node roster and attestation ID on record so our compliance team can verify what staking data the agent used when it rebalanced the portfolio."},{"title":"Verify Hedera node roster integrity","prompt":"Get me the post-quantum-signed Hedera node roster right now — I want to confirm no unauthorized nodes have appeared and keep the ML-DSA-65 attestation ID as proof of what we observed."},{"title":"Smart contract pre-execution data proof","prompt":"Before we execute this Hedera smart contract, fetch the attested staking and network facts so we have a tamper-evident record of current gas fees and node roster that we relied on going into this transaction."}],"resultDescription":"A structured JSON snapshot of Hedera network staking facts — including node roster, staking rates, HBAR exchange rate, gas fees, token supply, throughput, and topic state — accompanied by an ML-DSA-65 (post-quantum) attestation ID that cryptographically anchors the snapshot and proves its contents have not been tampered with.","failureModes":["Payment not received or invalid x402 payment header — returns 402 Payment Required","Hedera network temporarily unavailable — snapshot may be stale or endpoint returns 503","Invalid or malformed GET request — returns 400 Bad Request","Rate limiting exceeded — returns 429 Too Many Requests","Attestation service temporarily unavailable — may return partial data without attestation ID"],"whenToPreferThis":"Choose this endpoint when your agent needs cryptographically provable, tamper-evident Hedera staking data — especially in compliance, audit, or decision-tracing contexts where you must prove exactly what network facts were observed at the time of action. It is preferable over raw RPC or unattested data feeds when post-quantum signature attestation (ML-DSA-65) is required as evidence.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:50:40.930Z","isFirstParty":false}