Solana Assets API - Subscribe Balance Changes

Messages

{
  "method": "subscribe",
  "topic": "solana.assets.balance-changes",
  "params": {
    "owner_addresses": [
      "13NyGvtCdrBUqRSRHJUfw6yXFLoZ9VBu27RL8fq4daos"
    ],
    "token_addresses": [
      "13NyGvtCdrBUqRSRHJUfw6yXFLoZ9VBu27RL8fq4daos"
    ]
  }
}

{
  "topic": "solana.assets.balance-changes",
  "data": {
    "id": 1,
    "balance_type": "spl_token_balance",
    "stack_height": 2,
    "token_address": "13NyGvtCdrBUqRSRHJUfw6yXFLoZ9VBu27RL8fq4daos",
    "owner_address": "CsVdJ8WH8Q9eHSTRpwtwN3TYApm24QnLKYUMNxJ3DaED",
    "pre_balance": 256.4115815,
    "post_balance": 1991.57546081,
    "block_slot": 382423380,
    "block_time": "2026-05-28T12:00:00Z"
  }
}

WSS

To keep the connection alive, you need to send a ping message every less than 60 seconds.

You can subscribe and unsubscribe to any amount of topics you want on a single connection. To update a topic subscription, you can resubscribe to the same topic with new parameters. Incoming messages will include a topic field that you can use to filter the type of message.

When subscribing, you can leave any of the array fields of the params object empty to subscribe to all entries for that field.

When unsubscribing, you can leave the topics array empty to unsubscribe from all topics.

Messages

{
  "method": "subscribe",
  "topic": "solana.assets.balance-changes",
  "params": {
    "owner_addresses": [
      "13NyGvtCdrBUqRSRHJUfw6yXFLoZ9VBu27RL8fq4daos"
    ],
    "token_addresses": [
      "13NyGvtCdrBUqRSRHJUfw6yXFLoZ9VBu27RL8fq4daos"
    ]
  }
}

{
  "topic": "solana.assets.balance-changes",
  "data": {
    "id": 1,
    "balance_type": "spl_token_balance",
    "stack_height": 2,
    "token_address": "13NyGvtCdrBUqRSRHJUfw6yXFLoZ9VBu27RL8fq4daos",
    "owner_address": "CsVdJ8WH8Q9eHSTRpwtwN3TYApm24QnLKYUMNxJ3DaED",
    "pre_balance": 256.4115815,
    "post_balance": 1991.57546081,
    "block_slot": 382423380,
    "block_time": "2026-05-28T12:00:00Z"
  }
}

x-api-key

type:httpApiKey

Your Prism API key. You can get one for free in the Prism Dashboard. You must include it in the x-api-key query parameter.

Subscribe Balance Changes

type:object

Subscribe to balance change updates.

Unsubscribe Balance Changes

type:object

Unsubscribe from balance change updates.

Balance Changes Message

type:object

Message containing the balance change data.

Subscribe Transfers