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BuiltWith

BuiltWith

Marketing & SEO
Technology profiling for websites — detect tech stacks, find sites using specific technologies, discover domain relationships, trends, and competitive intelligence across 100M+ websites.
Available through Locus
MPP
WebsiteDocumentation

About BuiltWith

Review the Service identity, supported languages, protocol versions, and source metadata discovered by the directory.

Service details

Service Id
168f351a-f70f-4cdc-b410-2ea36003608c
Service origin
https://builtwith.mpp.paywithlocus.com
ListedSeptember 24, 2026, 11:44 PM
Last checkedNovember 9, 2026, 7:20 AM

Protocol details

SourceOpenAPI

Endpoints

Endpoint details are saved from the OpenAPI document. Authentication requirements and prices are advertised information, not a verified payment or access guarantee. The document may contain additional endpoints.Open OpenAPI document
POST/builtwith/company-to-url

Company to URL

Discover domains owned by a company. Returns domains with spend, rank, location, and social links.
POST/builtwith/domain

Domain Lookup

Full technology profile for a domain — tech stack, metadata, spend history, social links, company info, and detection dates across all subdomains and paths.
POST/builtwith/free

Free Summary

Lightweight tech summary — group counts (web server, CMS, JS, SSL, etc.) with live/dead counts and category breakdowns.
POST/builtwith/keywords

Keywords

Extract keywords associated with a domain from its technology profile and content.
POST/builtwith/lists

Technology Lists

List websites using a specific technology. Returns domains with first/last indexed dates, spend, and ranking data.
POST/builtwith/product

Product Search

Find websites selling specific products. Returns shops with product titles, URLs, prices, and indexed dates.
POST/builtwith/recommendations

Recommendations

Get technology recommendations for a domain based on similar sites and industry patterns.
POST/builtwith/redirects

Redirects

Redirect history for a domain — inbound and outbound redirects with first/last detected dates.
POST/builtwith/relationships

Relationships

Discover domains related to a given domain through shared tracking codes, analytics IDs, ad accounts, and other identifiers.
POST/builtwith/tags

Tags

Find domains related to an IP address, tag, or site attribute. Use "IP-x.x.x.x" prefix for IP lookups.
POST/builtwith/trends

Trends

Technology adoption trends — coverage across top 10K, 100K, 1M sites, and total live/expired counts.
POST/builtwith/trust

Trust

Trust and fraud signals for a domain — earliest record, premium techs, payment options, parked status, and spend score.

Agent payments

These payment protocols and options are advertised by the Service for agent purchases.

MPP

Advertises MPP payments for one or more endpoints. Check the endpoint documentation for authentication requirements.