{"uid":"cap_YvZvWxmDKNp9gHz2pS8PX","slug":"jp-data-api-persistent-key-value-memory-store-4f75e97e","name":"JP Data API — Persistent Key-Value Memory Store","description":"Persistent key-value memory for AI agents. Store a value under your namespace and key; survives across sessions, restarts and processes. No signup, no API key — pay per write. Use for agent long-term memory, task state, caching, checkpoints, cross-run context.","url":"https://jp-data-api-production.up.railway.app/memory/set","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"],"type":"string"},"queryParams":{"type":"object","required":["ns","key","value"],"properties":{"ns":{"type":"string","description":"your private namespace (use a long random string or wallet address, min 8 chars)"},"key":{"type":"string"},"value":{"type":"string","description":"text or JSON, up to 4000 chars"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"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_S3-C_uSxUOcOezUN80fcY","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 string value under a user-defined namespace and key, persisting it across sessions and processes for AI agent long-term memory.","exampleAgentPrompt":"Save my current task progress under namespace 'agt_7f3k9x2m' with key 'task_state' and value '{\"step\":3,\"lastProcessed\":\"item_42\",\"status\":\"in_progress\"}' so I can resume it next session.","exampleUseCases":null,"resultDescription":"A confirmation response indicating that the value has been successfully stored under the given namespace and key, available for future retrieval across sessions and restarts.","failureModes":["Missing required query params (ns, key, or value) returns a 400-level error","Namespace shorter than 8 characters is rejected","Value exceeding 4000 characters is rejected","Payment not completed results in 402 Payment Required","Network or Railway infrastructure downtime causes 5xx errors"],"whenToPreferThis":"Use this endpoint when an AI agent needs to persist state, memory, or context between separate runs or sessions without any signup or API key setup — ideal for lightweight agent checkpointing, caching, or cross-run context storage where a pay-per-write model ($0.002 USDC) is acceptable over a managed database subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:39:31.585Z","isFirstParty":false}