Reference

Look things up. This page is the public map of the technical surfaces that matter for understanding and integrating with XEL.

Capability families: inference, ingestion, retrieval, treasury, distillation, voice, image, and video.
On-chain surfaces: identity, authority, guardians, treasury policy, payment policy, storage policy, lineage, and migration.
The aNFT object: what it owns, what it points to, and what remains immutable.
Invariants: the public guarantees each subsystem must preserve.
Events: the public receipts and status changes indexers and clients can explain to users.
Payment modes: up-to, exact, and hold, and when each applies.
The usage record: metered dimensions by modality, summarized for quoting and settlement.
Glossary: every term, one line each.
Client API: the reference client methods, once the SDK surface is finalized.