{"uid":"cap_Si4iUkBgE1rO17wKaMK4g","slug":"builtwith-recommendations-via-locus-x402-8cd7a22e","name":"BuiltWith Recommendations via Locus x402","description":"Technology profiling for websites — detect tech stacks, find sites using specific technologies, discover domain relationships, trends, and competitive intelligence across 100M+ websites.","url":"https://builtwith.x402.paywithlocus.com/builtwith/recommendations","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"LOOKUP":{"type":"string"}}},"responseSchema":{"type":"json","example":{"data":{},"payment":{"scheme":"exact","settledUsdc":"0.001000","authorizedMaxUsdc":"0.001000"},"request":{"id":"00000000-0000-4000-8000-000000000000","statusUrl":"/requests/00000000-0000-4000-8000-000000000000"},"success":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.035","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":"$0.035/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.035","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.035","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1Do5P2b6Ebkpul05c32dW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.035","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns technology-based domain recommendations — similar sites and related domains — for a given website using BuiltWith's 100M+ site database.","exampleAgentPrompt":"Can you find websites that are similar to or related to shopify.com based on their technology profile?","exampleUseCases":[{"title":"Competitive landscape discovery","prompt":"I want to know what sites are similar to stripe.com — can you find me related or comparable domains based on their tech stack?"},{"title":"Lead generation for SaaS tools","prompt":"Find websites that are similar to hubspot.com so I can build a list of potential leads who might be interested in our CRM alternative."},{"title":"Market research for a niche","prompt":"I'm researching the e-commerce space — can you pull up domain recommendations similar to bigcommerce.com to see who else is operating in that market?"}],"resultDescription":"A JSON object containing recommended/related domains for the given website, likely including domain names and signals derived from shared or similar technology stacks, along with payment confirmation metadata (settled USDC, authorized amount) and a request ID for status tracking.","failureModes":["Invalid or unresolvable domain returns empty or error data","Domain not indexed in BuiltWith database returns no recommendations","Malformed LOOKUP field causes request failure","Payment failure or insufficient USDC balance blocks the call","Rate limiting or gateway timeout from the x402 proxy"],"whenToPreferThis":"Choose this endpoint when you need to discover websites that are similar or related to a given domain based on shared technology profiles, especially for competitive intelligence, lead generation, or market research. It is backed by BuiltWith's massive 100M+ site index, making it more comprehensive than manual research. Prefer this over general web search when you specifically want technology-signal-based domain similarity rather than keyword or content similarity.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:45:32.630Z","isFirstParty":false}