Get technology-based recommendations for any domain via BuiltWith, paid per call on Tempo L2.
What it does
The BuiltWith Recommendations endpoint returns technology-based recommendations for a given domain. It is part of a broader BuiltWith suite exposed through the Locus MPP (Micropayment Protocol) gateway, which includes domain tech profiling, technology lists, relationship mapping, trends, trust signals, and more — covering 100M+ websites.
This specific endpoint accepts a domain name and returns recommendations related to that domain's technology profile. Payment is handled via the MPP protocol using the Tempo L2 settlement method at $0.035 per call (35,000 base units of pathUSD with 6 decimals). The endpoint uses a POST method with a JSON body containing a required `LOOKUP` field for the target domain.
The endpoint is served at `https://builtwith.mpp.paywithlocus.com/builtwith/recommendations`. Note that the probe only tested HEAD and GET methods, which returned 404; the OpenAPI spec defines this as a POST endpoint, so the 404 responses are expected and do not indicate the endpoint is down. The broader BuiltWith MPP service exposes 12 endpoints in total, ranging from $0.015 (Free Summary) to $0.055 (Domain Lookup, Lists, Relationships, etc.) per call. Documentation references are available at the BuiltWith API site and the Locus MPP skill file.
Capabilities
Use cases
- —Get technology recommendations for a domain based on its current tech stack
- —Discover technologies commonly used alongside a domain's existing stack
- —Feed domain recommendations into competitive analysis or sales prospecting workflows
- —Automate technology advisory for website audits
Fit
Best for
- —Agents performing competitive intelligence on website technology stacks
- —Sales teams enriching leads with technology recommendations
- —Developers building automated website audit tools
Not for
- —Bulk free-tier lookups — every call costs $0.035
- —Real-time website monitoring or uptime checking
- —Non-technology-related domain intelligence (e.g., SEO backlinks)
Quick start
curl -X POST https://builtwith.mpp.paywithlocus.com/builtwith/recommendations \
-H "Content-Type: application/json" \
-d '{"LOOKUP": "example.com"}'Example
Request
{
"LOOKUP": "example.com"
}Endpoint
Quality
OpenAPI schema is present with clear request structure and pricing, but the probe only tested HEAD/GET (not POST), so liveness for this specific endpoint is unconfirmed. No response schema or example response is available, and crawled pages returned only 404 error JSON. Documentation links exist but were not crawled.
Warnings
- —Probe tested HEAD and GET only; the endpoint is defined as POST, so the 404 results do not confirm or deny liveness.
- —No response schema or example response is documented in the OpenAPI spec.
- —Currency address 0x20c000000000000000000000b9537d11c60e8b50 is assumed to be pathUSD with 6 decimals based on Tempo L2 convention; this is not explicitly confirmed in the probe data.
- —External docs (https://api.builtwith.com, https://beta.paywithlocus.com/mpp/builtwith.md) were not crawled.
Citations
- —The recommendations endpoint costs 35,000 base units via Tempo settlement methodhttps://builtwith.mpp.paywithlocus.com
- —BuiltWith covers 100M+ websites for technology profilinghttps://builtwith.mpp.paywithlocus.com
- —API reference available at api.builtwith.com and Locus skill filehttps://builtwith.mpp.paywithlocus.com