{"uid":"cap_IwUvCtsJtI2NdYuwfiwOK","slug":"delx-seeded-passphrase-words-f7fa179b","name":"Delx Seeded Passphrase Words","description":"Seeded Passphrase Words: Seeded Passphrase Words selects reproducible words from a caller list for non-secret labels from bounded caller-supplied values without an external provider. Call Seeded Passphrase Words when an agent needs a reproducible decision that another run can independently replay. Returns the deterministic selection plus seed provenance, population bounds, and the operation-specific outcome for Seeded Passphrase Words as versioned deterministic JSON. Price: $0.001 USDC via x402…","url":"https://api.delx.ai/api/v1/x402/seeded-passphrase-words","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"seed":{"type":"string","maxLength":8192,"description":"Seed supplied to Seeded Passphrase Words; used only for this bounded calculation and processed in memory without retention."},"count":{"type":"integer","description":"Count supplied to Seeded Passphrase Words; used only for this bounded calculation and processed in memory without retention."},"words":{"type":"array","items":{"type":"string","maxLength":8192},"maxItems":256,"description":"Words supplied to Seeded Passphrase Words; used only for this bounded calculation and processed in memory without retention."}}},"responseSchema":{"type":"json","example":{"result":{"label":"fox-stone-cloud","words":["fox","stone","cloud"],"secret_safe":false},"schema":"delx/util-seeded-passphrase-words/v1","status":"pass","evidence":{"retained":false,"input_sha256":"194b1c3e221c41ec62b04e46120fe0f32acb8f923d621602161e28e13695263f","external_calls":0},"operation":"seeded_decision:seeded_passphrase_words"}},"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_TIlmUulJ6M8YI80O719Wj","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":"Generates a deterministic passphrase by selecting words from a provided word list using a seed, returning a hyphen-joined label and constituent word array.","exampleAgentPrompt":"Generate a 3-word passphrase from this word list — ['fox','stone','cloud','river','hawk','pine','dusk','ember'] — using the seed 'alpha42', so I get the same result every time I use that seed.","exampleUseCases":[{"title":"Reproducible identifier for agent sessions","prompt":"I need a consistent 4-word human-readable label for my agent session every time I use the seed 'session-7749'. Use this word list: ['amber','forge','wave','cliff','spark','thorn','bloom','crest'] and give me the same phrase each run."},{"title":"Deterministic passphrase for secret generation","prompt":"Generate a 3-word passphrase using the seed 'project-moon' and the words ['nova','slate','drift','prism','flint','vale','ash','mire'] — I want a repeatable result I can audit by SHA-256 of the inputs."},{"title":"Custom vocabulary word selection for naming","prompt":"Pick 2 words from my list ['titan','zephyr','quill','cobalt','lynx','sable'] using the seed 'brand-001' — I want the same pair every time so I can use it as a deterministic product code name."}],"resultDescription":"Returns a JSON object containing: a hyphen-joined passphrase label (e.g. 'fox-stone-cloud'), the array of selected words, a secret_safe boolean indicating suitability as a secret, an operation identifier, a status field ('pass'), and an evidence block with retained=false, the SHA-256 hash of the inputs, and external_calls count confirming no data left the service.","failureModes":["Invalid or missing seed may produce an error or undefined behavior","Count exceeding the length of the provided words array may fail or return fewer words","Malformed words array items (e.g. items exceeding maxLength) may be rejected","Empty words array with non-zero count will likely error","Network or payment failure (x402) returns 402 Payment Required before processing begins"],"whenToPreferThis":"Choose this endpoint when you need a deterministic, reproducible passphrase or human-readable identifier derived from a seed and a custom word pool — particularly in agent workflows where repeatability, auditability (SHA-256 evidence), and zero data retention are required. Prefer it over random passphrase generators when the same seed must always yield the same output, or when you want to supply your own domain-specific vocabulary list.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:14:51.189Z","isFirstParty":false}