This page provides information about upcoming changes to Coinbase Prime Broker.

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Create Staking/Unstaking Transaction

Updating: This will be live in Late-April We will be adding new POST endpoints to create staking/unstaking transactions. These upcoming endpoints will initially support ETH only. Staking is a request to stake or delegate funds to a validator, and unstaking is a request to unstake delegated or staked funds in a wallet. The request requires the following parameters: 
{
  "portfolio_id": "string",
  "wallet_id": "string",
  "body": {
    "idempotency_key": "string", // The idempotency key associated with this transfer
    "inputs": "object" // String map of inputs for the given action.
  }
}
The response will consist of the following: 
{
  "wallet_id": "string",
  "transaction_id": "string",
  "activity_id": "string"
}

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Get Portfolio Commission

Updating: This will be live in Mid-April We will be adding an optional query parameter to the REST API Get Portfolio Commission endpoint. This parameter will allow you to request commission rates for a specific product ID. The request will look like the following: Path Parameters 
{
  "portfolio_id": "string"
}
Query Parameters 
{
  "product_id": "string"
}
The response schema remains unchanged.

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Prime Multinetwork Support

Updating: This will be live in Mid-March We will be adding a new “network” field that touches the following resources:
  • Transactions
  • Wallets
  • Deposit instructions
  • Balances
The “network” field will look like the following and will be used as an optional request or response parameter depending on whether the endpoint is a GET or POST: 
{
  "id": "string", // The network ID like "ethereum" or "solana"
  "type": "string" // The network type like "mainnet"
}
Additionally, the Get Entity Assets endpoint is updated to return additional information about each network supported by every asset. The response for this endpoint is updated to include `network details”: 
{
  "network_details": {
    "network": "object", // The network object as defined above
    "name": "string", // The name of the network like Ethereum or Solana
    "max_decimals": "string", // The maximum number of decimals for the asset on the network
    "default": "boolean", // Whether this is the default network for the asset
    "trading_supported": "boolean", // Whether trading is supported on the network
    "vault_supported": "boolean", // Whether vault is supported on the network
    "prime_custody_supported": "boolean", // Whether prime custody is supported on the network
    "destination_tag_required": "boolean", // Whether destination tag is required on the network
    "network_link": "string" // base url for the recommended block explorer for the network (crypto only)
  }
}
The complete list of endpoints that are updated for this feature can be found under the Changelog.

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Create Onchain Transaction

Added: 2025-JAN-29 We will be adding a new endpoint to create onchain transactions. This POST endpoint will create a new onchain transaction for a given wallet ID. The request requires the following parameters: 
{
  "portfolio_id": "string",
  "wallet_id": "string",
  "raw_unsigned_txn": "string", // Raw unsigned transaction in Hex format (Supports EVM and Solana)
  "rpc": {
    "skip_broadcast": "boolean", // If true, transaction will not be broadcast to the network
    "url": "string" // Custom blockchain node URL. Currently only supports Flashbots RPC endpoint for EVM mainnet
  },
  "evm_params": {
    "disable_dynamic_gas": "boolean", // Option to disable dynamic gas price adjustment
    "replaced_transaction_id": "string", // Transaction ID to replace (for speed-up/cancel operations)
    "chain_id": "string" // Chain ID for EVM transactions
  }
}
The response will consist of the following: 
{
  "transaction_id": "string"
}

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Update Onchain Address Group

Added: 2025-JAN-18 We will be adding a new endpoint to update a Prime Onchain Wallet address group. This PUT endpoint will replace the existing address group with the new address group. The request requires portfolio ID and address group as shown below: 
{
  portfolio_id: string;
  address_group: {
    id;
    name;
    network_type;
    addresses: [{
      name;
      address;
      networks: [string];
    }]
  }
}
The response will consist of the following: 
{
  "activity_type": "ACTIVITY_TYPE_ADDRESS_BOOK",
  "num_approvals_remaining": integer,
  "activity_id": string
}

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List Onchain Address Groups

Added: 2024-DEC-17 We will be adding a new endpoint to list your onchain address groups. This GET endpoint will list all address groups for a given portfolio ID. The response will consist of the following: 
{
  address_groups: [{
    id;
    name;
    network_type;
    added_at;
    addresses: [{
      name;
      address;
      chain_ids: [string]; // This will be empty for solana, * or list of chain IDs for EVM
    }]
  }]
}