{"uid":"cap_PS6d03Wepqs0wExFf3Ykn","slug":"x402-vector-memory-retrieval-fcd32b96","name":"x402-vector Memory Retrieval","description":"A vector database agents pay for by the request. No accounts, no API keys, no subscriptions — just a wallet.","url":"https://api.x402vector.com/v1/memory/%7Bkey%7D?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"key":"project:last-brief","value":{"text":"The user prefers concise implementation plans and exact file references."},"source":"durable","namespace":"0x1111111111111111111111111111111111111111","contentHash":"3f786850e387550fdab836ed7e6dc881de23001b"}},"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__8KLzCa98L1emZCH8CmCX","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":"Retrieves a stored memory value by key from a pay-per-request vector/key-value store designed for AI agents, with no account or API key required.","exampleAgentPrompt":"Can you pull up the memory stored under the key 'project:last-brief' from x402-vector so we can pick up where we left off?","exampleUseCases":null,"resultDescription":"Returns a JSON object containing the key, the stored value (e.g. a text preference or context blob), the source type (e.g. 'durable'), the namespace (wallet address), and a content hash for integrity verification.","failureModes":["Key not found — returns empty or 404 if the requested key does not exist in the namespace","Payment failure — if the x402 micropayment of $0.001 USDC is not completed, the request is rejected","Invalid key format — malformed key string may result in an error","Namespace mismatch — accessing a key under the wrong wallet namespace returns no result","Network/service unavailability — transient errors if the vector store backend is down"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to retrieve previously stored memory or context without managing API keys or subscriptions — ideal for stateless agents that persist context between sessions using a crypto wallet for pay-per-use access. Prefer over traditional vector DBs when the agent needs zero-setup durable storage billed per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:30:36.049Z","isFirstParty":false,"canonicalSlug":"x402-vector-memory-retrieval-fcd32b96"}