> For the complete documentation index, see [llms.txt](https://tailwindsdocs.innovativesol.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/chains/openapi-chain.md).

# OpenAPI Chain

<figure><img src="/files/lPcmQTnmXLpFAjcZPQZB" alt="" width="335"><figcaption><p>OpenAPI Chain Node</p></figcaption></figure>