{"uid":"cap_uC-vdrqS4XH4REPNeQ15K","slug":"pyfile-x402-one-time-secret-dead-drop-77fe5449","name":"Pyfile x402 One-Time Secret Dead Drop","description":"One-read dead drop: hand a credential between two agents where neither should hold it first. POST the secret, pay once, receive a read_url that works exactly one time — the first read destroys the value before responding. Max 16KB.","url":"https://pyfile-agent.taile3ff35.ts.net:10000/secret/drop?utm_source=zero.xyz","method":"POST","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":["POST"],"type":"string"},"queryParams":{"type":"object","properties":{}}}},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json","description":"Output payload format."},"example":{"type":"object","required":["ok","id","read_url"],"properties":{"id":{"type":"string","description":"Dead-drop id."},"ok":{"type":"boolean"},"note":{"type":"string"},"read_url":{"type":"string","description":"One-time read URL; the first GET destroys the value."}}}}}}},"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_bHkfVd-gdofSX23Jf2BfV","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":"Stores a secret value (up to 16KB) and returns a single-use read URL that destroys the secret on first retrieval, enabling secure one-time credential handoff between agents.","exampleAgentPrompt":"I need to hand off a database password to another agent without either of us keeping a copy — store it as a one-time dead drop and give me the single-use read URL so the receiving agent can pull it exactly once and it disappears.","exampleUseCases":[{"title":"Credential handoff between two agents","prompt":"I need to pass an API key from my orchestrator agent to a worker agent — store the key as a one-time secret and give me the burn URL so the worker can read it exactly once and it's gone."},{"title":"Secure one-time config delivery","prompt":"My deployment pipeline needs to send a TLS private key to a remote agent without it persisting anywhere — create a dead-drop URL for the key that self-destructs on first read."},{"title":"Agent-to-agent password relay","prompt":"I want to relay a temporary database password to a downstream agent exactly once — drop it as a one-time readable secret and return the read URL I can forward to them."}],"resultDescription":"Returns a JSON object with ok (boolean), a unique dead-drop id, and a read_url — a single-use HTTPS URL that, when GET-requested for the first time, returns the stored secret and immediately destroys it. Subsequent reads of the same URL return nothing.","failureModes":["Payload exceeds 16KB limit — request rejected","Payment not included or invalid — 402 response, secret not stored","read_url already consumed — secret is gone, returns empty or error on second read","Network or service timeout — secret may not have been stored","Malformed request body — 400 error returned"],"whenToPreferThis":"Choose this endpoint when two agents need to exchange a sensitive value (credential, token, private key) exactly once without either party storing it persistently, and when a self-destructing one-time URL is the safest handoff mechanism. Prefer it over shared memory, environment variables, or persistent secret stores when the value must be consumed and deleted on first access.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T06:50:57.236Z","isFirstParty":false,"canonicalSlug":"pyfile-x402-one-time-secret-dead-drop-77fe5449"}