alpha = "a" / "b" / "c" / "d" / "e" / "f" / "g" / "h" / "i" / "j" / "k" / "l" / "m" / "n" / "o" / "p" / "q" / "r" / "s" / "t" / "u" / "v" / "w" / "x" / "y" / "z" / "A" / "B" / "C" / "D" / "E" / "F" / "G" / "H" / "I" / "J" / "K" / "L" / "M" / "N" / "O" / "P" / "Q" / "R" / "S" / "T" / "U" / "V" / "W" / "X" / "Y" / "Z" number = "1" / "2" / "3" / "4" / "5" / "6" / "7" / "8" / "9" / "0" def-id = alpha *( alpha / number ) uri = 'lex:' nsid ['#' def-id]

// core // = type LexRef = string interface LexiconDoc { lexicon: 1 id: string // an NSID revision?: number description?: string defs: Record<string, LexUserType|LexArray|LexPrimitive|LexRef[]> } interface LexUserType { type: 'query' | 'procedure' | 'record' | 'token' | 'object' | 'blob' | 'image' | 'video' | 'audio' description?: string } interface LexToken extends LexUserType { type = 'token' } interface LexObject extends LexUserType { type = 'object' required?: string[] properties: Record<string, LexRef | LexArray | LexPrimitive | LexRef[]> } // database // = interface LexRecord extends LexUserType { type = 'record' key?: string record: LexObject } // XRPC // = interface LexXrpcQuery extends LexUserType { type = 'query' parameters?: Record<string, LexPrimitive> output?: LexXrpcBody errors?: LexXrpcError[] } interface LexXrpcProcedure extends LexUserType { type = 'procedure' parameters?: Record<string, LexPrimitive> input?: LexXrpcBody output?: LexXrpcBody errors?: LexXrpcError[] } interface LexXrpcBody { description?: string encoding: string|string[] schema: LexObject } interface LexXrpcError { name: string description?: string } // blobs // = interface LexBlob extends LexUserType { type = 'blob' accept?: string[] maxSize?: number } interface LexImage extends LexUserType { type = 'image' accept?: string[] maxSize?: number maxWidth?: number maxHeight?: number } interface LexVideo extends LexUserType { type = 'video' accept?: string[] maxSize?: number maxWidth?: number maxHeight?: number maxLength?: number } interface LexAudio extends LexUserType { type = 'audio' accept?: string[] maxSize?: number maxLength?: number } // primitives // = interface LexArray { type = 'array' description?: string items: LexRef | LexPrimitive | LexRef[] minLength?: number maxLength?: number } interface LexPrimitive { type: 'boolean' | 'number' | 'integer' | 'string' description?: string } interface LexBoolean extends LexPrimitive { type = 'boolean' default?: boolean const?: boolean } interface LexNumber extends LexPrimitive { type = 'number' default?: number minimum?: number maximum?: number enum?: number[] const?: number } interface LexInteger extends LexPrimitive { type = 'integer' default?: number minimum?: number maximum?: number enum?: number[] const?: number } interface LexString extends LexPrimitive { type = 'string' default?: string minLength?: number maxLength?: number enum?: string[] const?: string knownValues?: string[] }

{ "lexicon": 1, "id": "com.atproto.account.create", "defs": { "main": { "type": "procedure", "description": "Create an account.", "input": { "encoding": "application/json", "schema": "#inputSchema" }, "output": { "encoding": "application/json", "schema": "#outputSchema" }, "errors": [ {"name": "InvalidHandle"}, {"name": "InvalidPassword"}, {"name": "InvalidInviteCode"}, {"name": "HandleNotAvailable"} ] }, "inputSchema": { "type": "object", "required": ["handle", "email", "password"], "properties": { "email": {"type": "string"}, "handle": {"type": "string"}, "inviteCode": {"type": "string"}, "password": {"type": "string"}, "recoveryKey": {"type": "string"} } }, "outputSchema": { "type": "object", "required": ["accessJwt", "refreshJwt", "handle", "did", "declarationCid"], "properties": { "accessJwt": { "type": "string" }, "refreshJwt": { "type": "string" }, "handle": { "type": "string" }, "did": { "type": "string" }, "declarationCid": { "type": "string" } } } } }

{ "lexicon": 1, "id": "app.bsky.feed.post", "defs": { "main": { "type": "record", "key": "tid", "record": { "type": "object", "required": ["text", "createdAt"], "properties": { "text": {"type": "string", "maxLength": 256}, "entities": {"type": "array", "items": "#entity"}, "reply": "#reply", "createdAt": {"type": "string"} } } }, "reply": { "type": "object", "required": ["root", "parent"], "properties": { "root": "#postRef", "parent": "#postRef" } }, "postRef": { "type": "object", "required": ["uri", "cid"], "properties": { "uri": {"type": "string"}, "cid": {"type": "string"} } }, "entity": { "type": "object", "required": ["index", "type", "value"], "properties": { "index": "#textSlice", "type": { "type": "string", "description": "Expected values are 'mention', 'hashtag', and 'link'." }, "value": {"type": "string"} } }, "textSlice": { "type": "object", "required": ["start", "end"], "properties": { "start": {"type": "integer", "minimum": 0}, "end": {"type": "integer", "minimum": 0} } } } }

{ "lexicon": 1, "id": "com.socialapp.actorUser", "def": { "main": { "type": "token", "description": "Actor type of 'User'" } } }