Developer documentation for the AFS path, provider, capability, and query contracts in ARC.
Build with understanding.
Developer guides for ARC. Learn how to build a Blocklet, the application package ARC runs, and find the reference you need.
Current documentation
How an external agent discovers, connects to, authenticates against, and uses a blocklet running on ARC.
Developer documentation for the ARC architecture: AFS, AFS UI, AUP, Web Device, Blocklets, identity, data spaces, and product lineage boundaries.
The command line for ARC — declare, build, deploy and inspect a site or a Blocklet from a terminal.
Developer documentation for AUP authoring, validation, and runtime behavior in ARC.
Developer documentation for ARC Blocklets: package and instance, local run, manifest, surfaces, and publish boundaries.
Developer documentation for ARC caller context, DID-scoped storage, session data views, and their verified boundaries.
Official ArcBlock and DID logos, lockups, and color values. Download SVG and PNG from this board.
Developer documentation for building static sites with ARC Web Device.



