ChemDraw is a robust chemical informatics API service built on FastAPI and FastMCP. It offers essential functionalities for chemical name and SMILES string conversions, along with the ability to convert SMILES into RDKit molecule objects. Designed for seamless integration, it's ideal for enhancing chemical drawing tools, automating data processing pipelines, or serving as a backend for various chemical informatics applications, complete with API key authentication and Prometheus monitoring.