> ## Documentation Index > Fetch the complete documentation index at: https://docs.solanatracker.io/llms.txt > Use this file to discover all available pages before exploring further. # Metadata > Subscribe to token metadata updates ## AsyncAPI ````yaml datastream/pool-token-updates.json metadata id: metadata title: Metadata description: Subscribe to token metadata updates servers: - id: production protocol: wss host: datastream.solanatracker.io bindings: [] variables: - id: apiKey description: Your unique API key from Data API subscription allowedValues: [] examples: [] address: / parameters: [] bindings: [] operations: - &ref_1 id: subscribeToMetadata title: Subscribe to metadata description: Subscribe to metadata type: receive messages: - &ref_5 id: joinMetadata payload: - name: joinMetadata description: Subscribe to token metadata type: object properties: - name: type type: string description: join required: true - name: room type: string description: Metadata room (metadata:{tokenAddress}) required: true headers: [] jsonPayloadSchema: type: object required: - type - room properties: type: type: string const: join default: join x-parser-schema-id: room: type: string pattern: ^metadata:[A-Za-z0-9]{32,44}$ description: Metadata room (metadata:{tokenAddress}) default: metadata:ZDp3WVAH2wFvCeYa76myFaGoX4wv5u8VQGWvDpmqpump x-parser-schema-id: examples: - type: join room: metadata:ZDp3WVAH2wFvCeYa76myFaGoX4wv5u8VQGWvDpmqpump x-parser-schema-id: title: Join metadata description: Subscribe to token metadata example: |- { "type": "join", "room": "metadata:ZDp3WVAH2wFvCeYa76myFaGoX4wv5u8VQGWvDpmqpump" } bindings: [] extensions: - id: x-parser-unique-object-id value: joinMetadata - id: x-parser-message-name value: joinMetadata bindings: [] extensions: &ref_0 - id: x-parser-unique-object-id value: metadata - &ref_3 id: receiveMetadataConfirmation title: Receive metadata confirmation description: Receive confirmation type: send messages: - &ref_7 id: metadataJoined payload: - name: metadataJoined description: Metadata subscription confirmed type: object properties: - name: type type: string description: joined required: false - name: room type: string required: false headers: [] jsonPayloadSchema: type: object properties: type: type: string const: joined x-parser-schema-id: room: type: string x-parser-schema-id: examples: - type: joined room: metadata:ZDp3WVAH2wFvCeYa76myFaGoX4wv5u8VQGWvDpmqpump x-parser-schema-id: title: Metadata joined description: Metadata subscription confirmed example: |- { "type": "joined", "room": "metadata:ZDp3WVAH2wFvCeYa76myFaGoX4wv5u8VQGWvDpmqpump" } bindings: [] extensions: - id: x-parser-unique-object-id value: metadataJoined - id: x-parser-message-name value: metadataJoined bindings: [] extensions: *ref_0 - &ref_4 id: receiveMetadataData title: Receive metadata data description: Receive metadata type: send messages: - &ref_8 id: metadataMessage payload: - name: metadataMessage description: Metadata update notification type: object properties: - name: type type: string description: message required: false - name: room type: string required: false - name: data type: object required: false properties: - name: name type: string required: false - name: symbol type: string required: false - name: mint type: string required: false - name: uri type: string required: false - name: decimals type: integer required: false - name: hasFileMetaData type: boolean required: false - name: createdOn type: string required: false - name: description type: string required: false - name: image type: string required: false - name: showName type: boolean required: false - name: strictSocials type: object required: false properties: - name: twitter type: string required: false - name: telegram type: string required: false - name: website type: string required: false headers: [] jsonPayloadSchema: type: object properties: type: type: string const: message x-parser-schema-id: room: type: string x-parser-schema-id: data: type: object properties: name: type: string x-parser-schema-id: symbol: type: string x-parser-schema-id: mint: type: string x-parser-schema-id: uri: type: string x-parser-schema-id: decimals: type: integer x-parser-schema-id: hasFileMetaData: type: boolean x-parser-schema-id: createdOn: type: string x-parser-schema-id: description: type: string x-parser-schema-id: image: type: string x-parser-schema-id: showName: type: boolean x-parser-schema-id: strictSocials: type: object properties: twitter: type: string x-parser-schema-id: telegram: type: string x-parser-schema-id: website: type: string x-parser-schema-id: x-parser-schema-id: x-parser-schema-id: Metadata examples: - type: message room: metadata:ZDp3WVAH2wFvCeYa76myFaGoX4wv5u8VQGWvDpmqpump data: name: Token Name symbol: TOKEN mint: ZDp3WVAH2wFvCeYa76myFaGoX4wv5u8VQGWvDpmqpump uri: >- https://ipfs.io/ipfs/Qme5wcWJjnuvHUMwjo7gFDqK4CYr1zsL6uHSKr8EhuYdj7 decimals: 6 hasFileMetaData: true createdOn: https://pump.fun description: Token description here image: >- https://image.solanatracker.io/proxy?url=https%3A%2F%2Fimage.solanatracker.io%2Fproxy%3Furl%3Dhttps%253A%252F%252Fipfs.io%252Fipfs%252FQmasCGX7Gyhhz6ERhGQU1xYRmDo2oqvE8WobHxo1AJcudJ showName: true strictSocials: twitter: https://x.com/example telegram: https://t.me/example website: https://example.com x-parser-schema-id: title: Metadata message description: Metadata update notification example: |- { "type": "message", "room": "metadata:ZDp3WVAH2wFvCeYa76myFaGoX4wv5u8VQGWvDpmqpump", "data": { "name": "Token Name", "symbol": "TOKEN", "mint": "ZDp3WVAH2wFvCeYa76myFaGoX4wv5u8VQGWvDpmqpump", "uri": "https://ipfs.io/ipfs/Qme5wcWJjnuvHUMwjo7gFDqK4CYr1zsL6uHSKr8EhuYdj7", "decimals": 6, "hasFileMetaData": true, "createdOn": "https://pump.fun", "description": "Token description here", "image": "https://image.solanatracker.io/proxy?url=https%3A%2F%2Fimage.solanatracker.io%2Fproxy%3Furl%3Dhttps%253A%252F%252Fipfs.io%252Fipfs%252FQmasCGX7Gyhhz6ERhGQU1xYRmDo2oqvE8WobHxo1AJcudJ", "showName": true, "strictSocials": { "twitter": "https://x.com/example", "telegram": "https://t.me/example", "website": "https://example.com" } } } bindings: [] extensions: - id: x-parser-unique-object-id value: metadataMessage - id: x-parser-message-name value: metadataMessage bindings: [] extensions: *ref_0 - &ref_2 id: unsubscribeFromMetadata title: Unsubscribe from metadata description: Unsubscribe type: receive messages: - &ref_6 id: leaveMetadata payload: - name: leaveMetadata description: Unsubscribe from metadata type: object properties: - name: type type: string description: leave required: true - name: room type: string required: true headers: [] jsonPayloadSchema: type: object required: - type - room properties: type: type: string const: leave default: leave x-parser-schema-id: room: type: string default: metadata:ZDp3WVAH2wFvCeYa76myFaGoX4wv5u8VQGWvDpmqpump x-parser-schema-id: examples: - type: leave room: metadata:ZDp3WVAH2wFvCeYa76myFaGoX4wv5u8VQGWvDpmqpump x-parser-schema-id: title: Leave metadata description: Unsubscribe from metadata example: |- { "type": "leave", "room": "metadata:ZDp3WVAH2wFvCeYa76myFaGoX4wv5u8VQGWvDpmqpump" } bindings: [] extensions: - id: x-parser-unique-object-id value: leaveMetadata - id: x-parser-message-name value: leaveMetadata bindings: [] extensions: *ref_0 sendOperations: - *ref_1 - *ref_2 receiveOperations: - *ref_3 - *ref_4 sendMessages: - *ref_5 - *ref_6 receiveMessages: - *ref_7 - *ref_8 extensions: - id: x-parser-unique-object-id value: metadata securitySchemes: - id: apiKeyAuth name: apiKey type: httpApiKey description: >- API key for authentication. Include your Datastream key in the connection URL: wss://datastream.solanatracker.io/{DATASTREAM_KEY} in: header extensions: [] ````