{"uid":"cap_5ni1z6GBBs19GK9wD4C9-","slug":"npm-registry-search-x402-custom-format-fe0a32fd","name":"npm Registry Search (x402, Custom Format)","description":"","url":"https://x402-v2-mint-npm-search.vercel.app/v1/npm-search/fmt/custom?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_sjh2hqZUbeUDdV9J4HMlH","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Searches the npm registry by text query and returns matching packages with metadata including name, version, description, weekly downloads, and links in a custom concierge format.","exampleAgentPrompt":"Search npm for packages related to 'markdown parsing' and return the top 5 results with their weekly download counts and descriptions.","exampleUseCases":[{"title":"Find a CSV parsing library","prompt":"Search npm for CSV parsing packages and show me the top 3 results — I want to know the name, version, weekly downloads, and a short description of each."},{"title":"Discover React UI component libraries","prompt":"Can you search npm for 'React UI component library' and give me up to 10 results? I need the package names, their descriptions, and how many weekly downloads they get."},{"title":"Evaluate HTTP client options for Node","prompt":"Search npm for HTTP client packages for Node.js — give me the top 8 results with name, version, description, and weekly downloads so I can pick the best one."}],"resultDescription":"Returns a list of up to 20 npm packages in a custom concierge format, each entry including the package name, version, description, weekly download count, and relevant links (e.g. npm page, repository). Returns a 400 with charged:false if the query yields no valid results or is invalid.","failureModes":["Empty or meaningless search text returns 400 with charged:false","Requesting more than 20 results may be capped or rejected","Network or npm registry outage causes upstream failure","Malformed POST body (missing 'text' field) returns 400"],"whenToPreferThis":"Use this endpoint when you need to search the npm registry without API keys, want structured package metadata (name, version, description, downloads, links) returned in a clean custom format, and are operating in an x402 micropayment context at $0.005 USDC per query. Prefer this over scraping npm.io directly or using the raw npm registry search API when keyless access and concierge-formatted output are priorities.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:34:19.937Z","isFirstParty":false,"canonicalSlug":"npm-registry-search-x402-custom-format-fe0a32fd"}