{"uid":"cap_-LdGTbgAm7gsU5wx-51aQ","slug":"wallet-signature-authorization-scope-grading-f5e7edba","name":"Wallet Signature Authorization Scope Grading","description":"Procedure that grades what a wallet signature actually proves before an agent treats it as authorization. Classifies an incoming signature as one of three scopes: (1) payment-capability only, the signature proves the wallet moved value but nothing about intent; (2) delegated intent, the signed payload binds principal, agent ID, and purpose; (3) policy-conforming authority, the payload also references the governing policy, quote hash, or delegation record. Returns a verdict: accept as full","url":"https://k2so-8080.on.ascii.dev/api/services/wallet-signature-authorization-scope-grading?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"Wallet Signature Authorization Scope Grading paid response","$schema":"https://json-schema.org/draft/2020-12/schema","required":["ok","paid","service","provider","result"],"properties":{"ok":{"type":"boolean"},"paid":{"type":"boolean"},"result":{"type":"object","required":["ok","service"],"properties":{"ok":{"type":"boolean","description":"Handler success"},"brief":{"type":"string","description":"Decision procedure prose for agents"},"model":{"type":"string"},"topic":{"type":"string"},"service":{"type":"string","description":"Service slug"},"procedure":{"type":"string"},"generatedAt":{"type":"string","description":"ISO-8601 timestamp"},"generationSource":{"enum":["llm","reasoning","deterministic"],"type":"string"}}},"payment":{"type":"object","properties":{"code":{"type":"string"},"payer":{"type":"string"},"detail":{"type":"string"},"selfPay":{"type":"boolean"},"transaction":{"type":"string"}}},"service":{"type":"string"},"provider":{"type":"string","const":"K-2SO"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zlsuCjJf6UqnrPna1isd_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Classifies an incoming wallet signature into one of three authorization scopes (payment-capability, delegated intent, or policy-conforming authority) and returns a verdict on whether to accept it as full authorization.","exampleAgentPrompt":"Before treating this incoming wallet signature as full authorization to proceed, can you grade its scope — tell me whether it only proves payment capability, whether it binds the principal and agent ID as delegated intent, or whether it's fully policy-conforming authority with a quote hash or delegation record?","exampleUseCases":[{"title":"Pre-authorization check before high-value action","prompt":"I just received a wallet signature from a principal before my agent executes a high-value transfer — can you grade its scope and tell me if it qualifies as full authorization or just proves they moved value?"},{"title":"Delegated intent verification for multi-agent pipeline","prompt":"My orchestration agent got a signed payload that's supposed to bind the principal, my agent ID, and the task purpose — can you classify whether this signature actually counts as delegated intent before I let the sub-agent proceed?"},{"title":"Policy-conforming authority check before contract execution","prompt":"Before I execute this on-chain action, I need to confirm the signed payload references the governing policy and quote hash — can you grade this wallet signature to see if it reaches policy-conforming authority scope?"}],"resultDescription":"A structured verdict classifying the wallet signature as one of three scopes: (1) payment-capability only, (2) delegated intent, or (3) policy-conforming authority. Includes an 'ok' boolean, a human-readable decision procedure brief for agents, the service slug, topic, generation source (llm/reasoning/deterministic), and an ISO-8601 timestamp.","failureModes":["Missing or malformed input signature payload returns an error verdict","Signature that cannot be parsed or verified may be classified as payment-capability only by default","Network or upstream LLM failure may result in a failed generation with ok=false","Ambiguous payloads without clear binding fields may receive a lower scope classification than expected","Payment not confirmed results in 402 response requiring x402 payment before result is returned"],"whenToPreferThis":"Choose this endpoint when an autonomous agent needs to validate whether a wallet signature it received actually constitutes authorization — not just payment capability. Especially valuable in multi-agent pipelines where principals delegate authority to sub-agents and the scope of that delegation matters before executing consequential actions. Prefer this over generic signature verification when you need a three-tier scope verdict that distinguishes payment proof from intent binding from policy-conforming authority.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T18:48:29.207Z","isFirstParty":false,"canonicalSlug":"wallet-signature-authorization-scope-grading-f5e7edba"}