{"uid":"cap_6wBCn7z-tWOfzetNb7X6_","slug":"rubric-protocol-hedera-rubric-activity-facts-attested-08ff65f6","name":"Rubric Protocol – Hedera Rubric Activity Facts (Attested)","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/rubric-activity","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_pen14BHuPKTBaT9Psp5Od","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 facts (HBAR exchange rate, gas fees, supply, node roster, throughput, topic state) for the 'rubric-activity' snapshot, each signed with an ML-DSA-65 post-quantum attestation ID.","exampleAgentPrompt":"Fetch me the latest attested Hedera network snapshot from Rubric Protocol — I need the HBAR exchange rate, current gas fees, and node roster, all with their ML-DSA-65 attestation ID so I can prove what the network state was when I made my decision.","exampleUseCases":[{"title":"Audit trail for automated HBAR transaction","prompt":"Before I execute this HBAR transfer, grab me the current Hedera gas fees and exchange rate from Rubric Protocol's rubric-activity endpoint — I need the attestation ID so I can log exactly what the network state was when the trade ran."},{"title":"Compliance snapshot for AI agent decision log","prompt":"My AI agent just made a governance decision on Hedera — pull the attested Hedera network facts right now, including the node roster and topic state, so I can anchor the attestation ID in my compliance record."},{"title":"Real-time Hedera network health dashboard","prompt":"Can you fetch the latest Hedera throughput, supply, and gas fee data from Rubric Protocol with post-quantum attestation, so my dashboard can display current network health with a tamper-evident proof?"}],"resultDescription":"A JSON object containing the rubric-activity snapshot of Hedera network facts: HBAR/USD exchange rate, current gas fee schedule, total HBAR supply, active node roster, network throughput metrics, and HCS topic state — each snapshot accompanied by an ML-DSA-65 (post-quantum) attestation ID that cryptographically binds the data to the specific moment it was served, enabling agents to prove what they knew at decision time.","failureModes":["Payment not provided or invalid x402 payment header → 402 Payment Required","Hedera network temporarily unavailable → upstream data fetch failure, 503 or error body","Attestation signing service down → snapshot returned without attestation ID or error","Malformed request → 400 Bad Request","Rate limiting or quota exceeded → 429 Too Many Requests"],"whenToPreferThis":"Choose this endpoint when your agent or application needs cryptographically provable, tamper-evident Hedera network state — particularly for compliance, audit logging, or any use case where you must later prove what the network conditions were at a given moment. Prefer it over plain Hedera API calls when post-quantum attestation (ML-DSA-65) is required, or when regulatory or contractual obligations demand a signed reference datum. Use the bundle endpoint instead if you need all six facts in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:30:56.415Z","isFirstParty":false}