{"uid":"cap_3ViZUv9D1obLyMB2DcdT7","slug":"rubric-protocol-attested-llm-inference-2b4ac0c3","name":"Rubric Protocol Attested LLM Inference","description":"Attested LLM inference: gpt-4o-mini chat completion plus a post-quantum signed, Hedera-anchored attestation binding the ","url":"https://rubric-protocol.com/v1/x402/attested-inference","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object"},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json"],"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":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_S51_AjlUv_f7yN7sifEds","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Runs a GPT-4o-mini chat completion and returns the response paired with a post-quantum-signed, Hedera-anchored attestation binding the prompt hash, response hash, model version, and timestamp.","exampleAgentPrompt":"Run a GPT-4o-mini chat completion on this prompt — 'What are the key risks of deploying autonomous agents in financial workflows?' — and give me back the answer plus a post-quantum-signed, Hedera-anchored attestation so I have cryptographic proof of exactly which model version said what and when.","exampleUseCases":[{"title":"Auditable AI decision for regulated finance","prompt":"Ask GPT-4o-mini whether this loan applicant's profile meets our underwriting criteria, and return the answer with a signed Hedera attestation so our compliance team has an immutable record of the exact model version and timestamp that made the recommendation."},{"title":"Legal evidence of AI-generated advice","prompt":"I need to send a customer an AI-drafted response about their insurance claim, but I also need cryptographic proof of what the model said, when, and which version — can you run that through Rubric's attested inference and give me the signed output?"},{"title":"Agent decision provenance logging","prompt":"My autonomous agent just decided to rebalance a portfolio — run the decision rationale through Rubric's attested GPT-4o-mini so we have a post-quantum-signed, Hedera-anchored record of the reasoning in case it's challenged later."}],"resultDescription":"Returns the GPT-4o-mini chat completion text alongside a structured attestation object containing the hashed prompt, hashed response, exact model version string, UTC timestamp, a post-quantum cryptographic signature, and a Hedera Consensus Service (HCS) sequence reference anchoring the attestation to the public ledger.","failureModes":["Malformed or missing input payload returns a 400 error","Payment not included or insufficient USDC triggers a 402 Payment Required response","Hedera HCS anchoring latency or network issues may delay attestation finalization","OpenAI API unavailability causes inference failure and a 503 response","Invalid x402 payment header format results in payment rejection","Rate limits or quota exhaustion on the underlying model returns an error"],"whenToPreferThis":"Choose this endpoint when the AI-generated output may later be questioned, audited, or used as evidence — such as in regulated industries (finance, healthcare, legal), autonomous agent workflows, or any context where proving which model said what and when is a compliance or liability requirement. Prefer it over a raw LLM API call whenever you need tamper-evident, post-quantum-signed, blockchain-anchored provenance rather than just an answer.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:38:06.639Z","isFirstParty":false}