Corpus reference

The Developer Knowledge API and MCP server can search and get documents from public pages in the following domains:

These domains are the only valid values to use for data_source in the SearchDocumentChunks.filter field, for example: data_source = "docs.cloud.google.com".

Data freshness

The Developer Knowledge API aims to provide access to the latest Google developer documentation. Our goal is to re-index content within 48 hours of publication so that new or updated documentation is available within 2 business days.