AuthorizationstringrequiredheaderRequired Bearer API key. Programmatic access to the World API needs a key; browsing nosible.world in a browser does not.
Example: Bearer nos_sk_...
Retrieve one indexed entity name with the same observed metadata returned by the Entity Directory.
typestringrequiredqueryNER entity type, such as ORG or PERSON.
Example: ORG
namestringrequiredqueryCanonical raw entity name, normally taken from /api/entities or /api/resolve.
Example: Nvidia
Use Entity Profile for one known raw entity name. Its profile and metadata shape is identical to the corresponding item in Entity Directory.
These are the fields you can build against. Nested names use dot notation; optional sections are called out in their descriptions.
schemastringStable entity profile contract identifier.
Example: nosible_world_entity_profile_v1
profileobjectRaw indexed entity identity, date range, event count, and events URL.
Example: { "kind": "entity", "type": "ORG", "name": "Nvidia", "normalized": "nvidia", "total_events": 18742, "first_date": "2010-01-07", "last_date": "2026-09-16" }
metadataobjectComplete observed event metadata: yearly counts, categorical facets, and numeric summaries.
Example: { "events_by_year": [{ "year": "2026", "count": 4799 }], "facets": {}, "numeric": {} }
filterobjectCopy-pasteable exact World Search filter.
Example: { "entity_org": { "eq": "Nvidia" } }
as_ofobjectIndex build and archive cutoff used for the profile.
Example: { "archive_cutoff": "2026-09-16" }
invalid_request — Both type and name are required, and type must be an indexed NER type.access_denied — The requested archive date is outside the caller's World tier.not_found — The requested date, entity, ticker, or event does not exist in the accessible index.cursor_expired — The cursor was minted against a replaced index build. Restart pagination from the first page.rate_limited — The request exceeded the endpoint or account rate limit. Respect Retry-After when supplied.backend_not_configured — The World backend is not configured for this deployment.backend_error — The BFF could not obtain a valid response from the World backend.backend_timeout — The World backend or an upstream data source timed out.unknown_entity — The requested entity is not present in the index.