{"$schema":"https://json-schema.org/draft/2020-12/schema","$id":"https://www.monocrawl.com/schemas/youtube/channels.json","title":"youtube/channels data fields","description":"Optional data supplied by this operation. Null means unknown.","type":"object","properties":{"_warnings":{"description":"Optional  warnings supplied by this operation. Null means unknown.","type":["array","null"],"items":{"description":"Optional record supplied by this operation. Null means unknown.","type":["string","null"]}},"count":{"description":"Number of records in this response, not lifetime or total matches.","type":["number","null"]},"items":{"description":"Returned records. Source coverage and completeness vary.","type":["array"],"items":{"description":"Optional record supplied by this operation. Null means unknown.","type":"object","properties":{"_warnings":{"description":"Optional  warnings supplied by this operation. Null means unknown.","type":["array","null"],"items":{"description":"Optional record supplied by this operation. Null means unknown.","type":["string","null"]}},"avatar_url":{"description":"Optional avatar url supplied by this operation. Null means unknown.","type":["string","null"]},"banner_url":{"description":"Optional banner url supplied by this operation. Null means unknown.","type":["string","null"]},"country":{"description":"Optional country supplied by this operation. Null means unknown.","type":["string","null"]},"description":{"description":"Source description; null or absent means not supplied.","type":["string","null"]},"handle":{"description":"Optional handle supplied by this operation. Null means unknown.","type":["string","null"]},"id":{"description":"Source identifier. Preserve the supplied type and exact value.","type":["string","null"]},"keywords":{"description":"Optional keywords supplied by this operation. Null means unknown.","type":["string","null"]},"name":{"description":"Optional name supplied by this operation. Null means unknown.","type":["string","null"]},"published_at":{"description":"Source publication time when available.","type":["string","null"]},"subscribers":{"description":"Optional subscribers supplied by this operation. Null means unknown.","type":["number","null"]},"subscribers_hidden":{"description":"Optional subscribers hidden supplied by this operation. Null means unknown.","type":["boolean","null"]},"thumbnails":{"description":"Optional thumbnails supplied by this operation. Null means unknown.","type":["object","null"],"properties":{"default":{"description":"Optional default supplied by this operation. Null means unknown.","type":["object","null"],"properties":{},"additionalProperties":true},"high":{"description":"Optional high supplied by this operation. Null means unknown.","type":["object","null"],"properties":{},"additionalProperties":true},"medium":{"description":"Optional medium supplied by this operation. Null means unknown.","type":["object","null"],"properties":{},"additionalProperties":true}},"additionalProperties":true},"uploads_playlist_id":{"description":"Optional uploads playlist id supplied by this operation. Null means unknown.","type":["string","null"]},"url":{"description":"Original source URL when supplied.","type":["string","null"]},"video_count":{"description":"Optional video count supplied by this operation. Null means unknown.","type":["number","null"]},"views":{"description":"Optional views supplied by this operation. Null means unknown.","type":["number","null"]}},"additionalProperties":true,"allOf":[{"anyOf":[{"required":["avatar_url"],"properties":{"avatar_url":{"description":"Optional avatar url supplied by this operation. Null means unknown.","type":["string"],"minLength":1}}},{"required":["banner_url"],"properties":{"banner_url":{"description":"Optional banner url supplied by this operation. Null means unknown.","type":["string"],"minLength":1}}},{"required":["country"],"properties":{"country":{"description":"Optional country supplied by this operation. Null means unknown.","type":["string"],"minLength":1}}},{"required":["description"],"properties":{"description":{"description":"Source description; null or absent means not supplied.","type":["string"],"minLength":1}}},{"required":["handle"],"properties":{"handle":{"description":"Optional handle supplied by this operation. Null means unknown.","type":["string"],"minLength":1}}},{"required":["id"],"properties":{"id":{"description":"Source identifier. Preserve the supplied type and exact value.","type":["string"],"minLength":1}}},{"required":["keywords"],"properties":{"keywords":{"description":"Optional keywords supplied by this operation. Null means unknown.","type":["string"],"minLength":1}}},{"required":["name"],"properties":{"name":{"description":"Optional name supplied by this operation. Null means unknown.","type":["string"],"minLength":1}}},{"required":["published_at"],"properties":{"published_at":{"description":"Source publication time when available.","type":["string"],"minLength":1}}},{"required":["subscribers"],"properties":{"subscribers":{"description":"Optional subscribers supplied by this operation. Null means unknown.","type":["number"]}}},{"required":["subscribers_hidden"],"properties":{"subscribers_hidden":{"description":"Optional subscribers hidden supplied by this operation. Null means unknown.","type":["boolean"]}}},{"required":["thumbnails"],"properties":{"thumbnails":{"description":"Optional thumbnails supplied by this operation. Null means unknown.","type":["object"],"properties":{"default":{"description":"Optional default supplied by this operation. Null means unknown.","type":["object","null"],"properties":{},"additionalProperties":true},"high":{"description":"Optional high supplied by this operation. Null means unknown.","type":["object","null"],"properties":{},"additionalProperties":true},"medium":{"description":"Optional medium supplied by this operation. Null means unknown.","type":["object","null"],"properties":{},"additionalProperties":true}},"additionalProperties":true}}},{"required":["uploads_playlist_id"],"properties":{"uploads_playlist_id":{"description":"Optional uploads playlist id supplied by this operation. Null means unknown.","type":["string"],"minLength":1}}},{"required":["url"],"properties":{"url":{"description":"Original source URL when supplied.","type":["string"],"minLength":1}}},{"required":["video_count"],"properties":{"video_count":{"description":"Optional video count supplied by this operation. Null means unknown.","type":["number"]}}},{"required":["views"],"properties":{"views":{"description":"Optional views supplied by this operation. Null means unknown.","type":["number"]}}}]}]}},"missing":{"description":"Source array was empty in the reviewed captures; item fields remain unspecified.","type":["array","null"],"items":{}},"requested":{"description":"Optional requested supplied by this operation. Null means unknown.","type":["number","null"]}},"additionalProperties":true,"required":["items"],"x-contract-version":"2026-09-22","x-validation-scope":"Required success payload structure; optional fields and source completeness remain separate.","examples":[{"_warnings":["example"],"count":0,"items":[{"_warnings":["example"],"avatar_url":"https://example.com/example","banner_url":"https://example.com/example","country":"example","description":"example","handle":"example","id":"example","keywords":"example","name":"example","published_at":"2026-09-01T12:00:00Z","subscribers":0,"subscribers_hidden":false,"thumbnails":{"default":{},"high":{},"medium":{}},"uploads_playlist_id":"example","url":"https://example.com/example","video_count":0,"views":0}],"missing":[],"requested":0}]}