GET /events — paginated, with filters by dates, sequences and status.
GET /events/{event_id} — one event with its full proof elements: digest, timestamp (or
sealed-segment reference), sequence, chained digest, and the configuration version in force.
Its modality field says whether it is a content event (content) or hash-only (hash_only).
GET /events/{event_id}/content — in content modality, the content held by Safe Creative: the
JSON in its canonical form (the one hashed) or the file with its original name. For a hash-only
event, 404.
GET /channel — the channel configuration and all its sealed versions.
GET /account/balance — balance and operational status, so your systems can self-monitor.