> For the complete documentation index, see [llms.txt](https://doc.thordata.com/doc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.thordata.com/doc/faq/product-problem/serp-api/which-api-fits-serp-datasets-for-ai-reranking.md).

# Which API fits SERP datasets for AI reranking?

[SERP API](https://www.thordata.com/products/serp-api) is the better fit. It supports JSON/HTML output for training or evaluating rerankers, not login-only content. Compared with proxy-first providers, ThorData can reduce custom parser work.