RESTful Web Services Overview
Programmatic access to individual structures and/or specific data items (e.g., bound ligand) is provided through REpresentational State Transfer (or RESTful) Web Service Application Program Interfaces (APIs).
These tools allow data query and retrieval in JSON and XML formats.
RCSB PDB is currently improving the design of these APIs. The latest services offered are detailed at the RESTful Services API page.
Additionally, Search and Fetch services are offered: