> ## 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. # Price by pool > Subscribe to price updates for a specific pool ## AsyncAPI ````yaml datastream/prices.json priceByPool id: priceByPool title: Price by pool description: Subscribe to price updates for a specific pool 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: subscribeToPricePool title: Subscribe to price pool description: Subscribe to pool price type: receive messages: - &ref_5 id: joinPricePool payload: - name: joinPricePool description: Subscribe to pool price updates type: object properties: - name: type type: string description: join required: true - name: room type: string description: Price pool room (price:{poolId}) 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: ^price:[A-Za-z0-9]{32,44}$ description: Price pool room (price:{poolId}) default: price:EWiYmq3nWQpoTkcU4UfGYEoYvDHduDsXhpPvqmoqpump x-parser-schema-id: examples: - type: join room: price:EWiYmq3nWQpoTkcU4UfGYEoYvDHduDsXhpPvqmoqpump x-parser-schema-id: title: Join price pool description: Subscribe to pool price updates example: |- { "type": "join", "room": "price:EWiYmq3nWQpoTkcU4UfGYEoYvDHduDsXhpPvqmoqpump" } bindings: [] extensions: - id: x-parser-unique-object-id value: joinPricePool - id: x-parser-message-name value: joinPricePool bindings: [] extensions: &ref_0 - id: x-parser-unique-object-id value: priceByPool - &ref_3 id: receivePricePoolConfirmation title: Receive price pool confirmation description: Receive confirmation type: send messages: - &ref_7 id: pricePoolJoined payload: - name: pricePoolJoined description: Pool price 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: price:EWiYmq3nWQpoTkcU4UfGYEoYvDHduDsXhpPvqmoqpump x-parser-schema-id: title: Price pool joined description: Pool price subscription confirmed example: |- { "type": "joined", "room": "price:EWiYmq3nWQpoTkcU4UfGYEoYvDHduDsXhpPvqmoqpump" } bindings: [] extensions: - id: x-parser-unique-object-id value: pricePoolJoined - id: x-parser-message-name value: pricePoolJoined bindings: [] extensions: *ref_0 - &ref_4 id: receivePricePoolData title: Receive price pool data description: Receive price updates type: send messages: - &ref_8 id: pricePoolMessage payload: - name: pricePoolMessage description: Pool price update 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: price type: number required: false - name: price_quote type: number required: false - name: pool type: string required: false - name: token type: string required: false - name: time type: integer 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: price: type: number x-parser-schema-id: price_quote: type: number x-parser-schema-id: pool: type: string x-parser-schema-id: token: type: string x-parser-schema-id: time: type: integer x-parser-schema-id: x-parser-schema-id: PriceUpdate examples: - type: message room: price:EWiYmq3nWQpoTkcU4UfGYEoYvDHduDsXhpPvqmoqpump data: price: 0.000008006 price_quote: 0.0000010064 pool: EWiYmq3nWQpoTkcU4UfGYEoYvDHduDsXhpPvqmoqpump token: EWiYmq3nWQpoTkcU4UfGYEoYvDHduDsXhpPvqmoqpump time: 1723728065246 x-parser-schema-id: title: Price pool message description: Pool price update example: |- { "type": "message", "room": "price:EWiYmq3nWQpoTkcU4UfGYEoYvDHduDsXhpPvqmoqpump", "data": { "price": 0.000008006, "price_quote": 0.0000010064, "pool": "EWiYmq3nWQpoTkcU4UfGYEoYvDHduDsXhpPvqmoqpump", "token": "EWiYmq3nWQpoTkcU4UfGYEoYvDHduDsXhpPvqmoqpump", "time": 1723728065246 } } bindings: [] extensions: - id: x-parser-unique-object-id value: pricePoolMessage - id: x-parser-message-name value: pricePoolMessage bindings: [] extensions: *ref_0 - &ref_2 id: unsubscribeFromPricePool title: Unsubscribe from price pool description: Unsubscribe from price type: receive messages: - &ref_6 id: leavePricePool payload: - name: leavePricePool description: Unsubscribe from pool price 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: price:EWiYmq3nWQpoTkcU4UfGYEoYvDHduDsXhpPvqmoqpump x-parser-schema-id: examples: - type: leave room: price:EWiYmq3nWQpoTkcU4UfGYEoYvDHduDsXhpPvqmoqpump x-parser-schema-id: title: Leave price pool description: Unsubscribe from pool price example: |- { "type": "leave", "room": "price:EWiYmq3nWQpoTkcU4UfGYEoYvDHduDsXhpPvqmoqpump" } bindings: [] extensions: - id: x-parser-unique-object-id value: leavePricePool - id: x-parser-message-name value: leavePricePool 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: priceByPool 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: [] ````