DOCUMENTATION
UNDERCART DOCS
Revenue estimates, technology stacks, ad presence and marketing emails on hundreds of thousands of Shopify stores. Two ways to get at it — pick the one that matches how you work.
FOR DEVELOPERS
REST API
A clean HTTP API behind a single API-key header. Filter, paginate, and bulk-export the store catalog as JSON or CSV.
→One header auth — X-API-Key
→Filter on every resolved signal
→Cursor pagination + bulk export
Read the API reference→
FOR AGENTS
MCP CONNECTOR
A remote Model Context Protocol server. Add one connector URL to any MCP client and query stores in natural language.
→OAuth sign-in — no API key to copy
→8 read-only tools, same enriched data
→Works with any remote-MCP client
Set up the connector→
NEED AN API KEY?
Start free with 100 lookups/month. Provision a key from the dashboard.