Question 1

What can I do with the NerdyData API?

Accepted Answer

The NerdyData API lets you search millions of websites by technology, code snippet, title, or meta description. You can retrieve company info, email addresses, LinkedIn profiles, and estimated ad spend for matching domains — all programmatically.

Question 2

How do I get an API key?

Accepted Answer

Sign up for a free NerdyData account and navigate to the API page. Every account includes free monthly API and MCP credits. Add pay-as-you-go billing to continue beyond them.

Question 3

What formats does the API return?

Accepted Answer

The NerdyData API returns JSON responses.

Question 4

Is there API documentation?

Accepted Answer

Yes. Interactive Swagger documentation is available directly on the API page at nerdydata.com/api, where you can explore endpoints and test requests in your browser.

Question 5

Does NerdyData have an MCP?

Accepted Answer

Yes. NerdyData now supports MCP to find websites by their technology or code - directly in Cursor, Claude, and other LLMs. Learn more about MCP here.

Free API credits for everyone.

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API Access

Automate searches and domain lookups, and only pay for what you use.

Search Code, Technology Lists, Domain Lookups, and more. Enrich large lists of domains with tech stack and company information, or monitor prospect domains for changes to their technographics.

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