{"uid":"cap_ecmzxZtQ7ZCKO2vzy8aPp","slug":"builtwith-relationships-8699453a","name":"BuiltWith Relationships","description":"Discover domains related to a given domain through shared tracking codes, analytics IDs, ad accounts, and other identifiers.","url":"https://builtwith.mpp.paywithlocus.com/builtwith/relationships?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["LOOKUP"],"properties":{"SKIP":{"type":"string","description":"Number of results to skip (pagination)"},"AMOUNT":{"type":"string","description":"Number of results per page (max 500)"},"LOOKUP":{"type":"string","description":"Domain to look up relationships for"}},"additionalProperties":true},"responseSchema":null,"example":{"request":{"SKIP":"0","AMOUNT":"50","LOOKUP":"github.com"},"response":{"_truncated":true,"_originalSize":43375}},"exampleRequest":{"SKIP":"0","AMOUNT":"50","LOOKUP":"github.com"},"tags":["technology-profiling","tech-stack","competitive-intel","domains","data"],"displayCostAmount":"0.055","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.055/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.055","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.055","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_9Sar5HdlfhnVWdaXPP-wV","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.055","costPer":"request","priority":0,"asset":"0x20c000000000000000000000b9537d11c60e8b50","unit":"request","depositMicros":null,"planRef":null}],"brandName":"BuiltWith","brandSlug":"builtwith","brandBaseUrl":"https://builtwith.com","brandDocsUrl":"https://api.builtwith.com","whatItDoes":"Returns domain relationship data for a given domain, revealing co-hosted, co-owned, or otherwise linked domains using BuiltWith's technology profiling database.","exampleAgentPrompt":"Can you look up all the domain relationships for shopify.com using BuiltWith? Show me the first 50 related domains.","exampleUseCases":null,"resultDescription":"A paginated list of domains that are related to the queried domain, including relationship signals such as co-hosting, shared technology footprints, or ownership links. Supports pagination via SKIP and AMOUNT parameters (up to 500 results per page).","failureModes":["Invalid or malformed domain in LOOKUP returns an error or empty result set","Domain not found in BuiltWith database returns empty relationships","Exceeding AMOUNT limit of 500 per page may return an error","Missing required LOOKUP field returns a validation error","Network timeout for domains with very large relationship graphs"],"whenToPreferThis":"Use this endpoint when you need to discover domains that are related to, co-hosted with, or otherwise linked to a target domain. Ideal for competitive intelligence, brand monitoring, domain network mapping, or identifying affiliated web properties. Prefer this over the Domain Lookup endpoint when the goal is relational discovery rather than tech stack profiling of a single domain.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T11:34:12.767Z","isFirstParty":false,"canonicalSlug":"builtwith-relationships-8699453a"}