{"uid":"cap_TRVBB1f2qM0ukM6Jg-NaV","slug":"ralph-crypto-summary-api-wallet-profile-6ab8d4db","name":"Ralph Crypto Summary API – Wallet Profile","description":"Pay-per-call crypto market and Base wallet summaries via x402 (USDC on Base).","url":"https://ralph-crypto-summary.simgokr.workers.dev/api/wallet-profile?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"],"type":"string"},"queryParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","description":"EVM address on Base (0x + 40 hex)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"address":"0x...","holdings":[{"symbol":"USDC","balance":10.15,"usd_value":10.15}],"account_type":"externally_owned","outgoing_tx_count":12,"total_usd_estimate":10.15}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_TkW79hnAp8KZSgbQJxZn9","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a holdings summary and transaction profile for a given EVM wallet address on the Base blockchain, paid per-call via x402 USDC.","exampleAgentPrompt":"Can you pull up the wallet profile for 0x4a9f3b4d5e6c7a8b9c0d1e2f3a4b5c6d7e8f9012 on Base — I want to see what tokens it holds and the total USD value?","exampleUseCases":[{"title":"Portfolio snapshot before DeFi action","prompt":"Before I move funds, can you show me the full token holdings and USD estimate for my Base wallet 0xAbC1234567890dEfAbC1234567890dEfAbC12345?"},{"title":"Due diligence on a counterparty address","prompt":"I'm about to send funds to 0x9f3b4d5e6c7a8b9c0d1e2f3a4b5c6d7e8f901234 — can you check what they hold on Base and whether it's an externally owned account or a contract?"},{"title":"Automated wallet monitoring for an agent","prompt":"Every hour, check wallet 0x1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9012 on Base and tell me if the total USD value changes by more than 10%."}],"resultDescription":"A JSON object containing the queried wallet address, an array of token holdings (each with symbol, balance, and USD value), the account type (externally_owned or contract), the number of outgoing transactions, and a total USD portfolio estimate.","failureModes":["Invalid or malformed EVM address returns an error (non-0x or wrong length)","Address not found on Base or zero activity returns empty holdings array","Payment not completed via x402 results in 402 Payment Required response","Rate limiting or Cloudflare Worker timeout may return 5xx errors","Base RPC/data source downtime may cause stale or missing data"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-call on-chain wallet profile for a Base network EVM address — particularly when you want token holdings with USD valuations and account-type classification without setting up your own blockchain node or indexer. Ideal for agents that need occasional wallet lookups rather than bulk or streaming data, and where the low $0.05/call x402 micropayment model is preferred over subscription APIs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T06:30:31.928Z","isFirstParty":false,"canonicalSlug":"ralph-crypto-summary-api-wallet-profile-6ab8d4db"}