POST
/
prepare-transactions
/
mintToken
mintToken
curl --request POST \
  --url https://api.sandbox.brickken.com/prepare-transactions/mintToken \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "signerAddress": "<string>",
  "chainId": "<string>",
  "gasLimit": "<string>",
  "rpcUrl": "<string>",
  "tokenSymbol": "<string>",
  "userToMint": [
    {}
  ]
}'
{
  "transactions": [
    {}
  ],
  "txId": "<string>"
}
Prepares unsigned transactions for minting tokens to specified users. This endpoint is equivalent to calling /prepare-transactions with method=mintToken.

​
Request Body

ParameterTypeRequiredDescription
signerAddressstringYesAddress that will sign the transaction
chainIdstringYesBlockchain network identifier (hex format)
tokenSymbolstringYesSymbol of the token to mint
userToMintarrayYesArray of users to mint tokens to
gasLimitstringNoOptional gas limit
rpcUrlstringNoOptional RPC URL

​
userToMint Object Structure

ParameterTypeRequiredDescription
emailstringYesEmail of the recipient
investorAddressstringYesAddress of the recipient
amountstringYesAmount of tokens to mint
needWhitelistbooleanYesWhether the user needs to be whitelisted

​
Example Request

{
  "signerAddress": "0x742d35Cc6634C0532925a3b8D4C9db96c4b4d8b",
  "chainId": "aa36a7",
  "tokenSymbol": "EXMPL",
  "userToMint": [
    {
      "email": "investor@example.com",
      "investorAddress": "0x456...",
      "amount": "100",
      "needWhitelist": true
    }
  ]
}

​
Response

Returns an array of unsigned transactions that need to be signed and a transaction ID for tracking. 
{
  "transactions": [
    {
      "from": "0x742d35Cc6634C0532925a3b8D4C9db96c4b4d8b",
      "to": "0xTargetAddress",
      "value": {"type": "BigNumber", "hex": "0x00"},
      "nonce": 1,
      "chainId": 11155111,
      "data": "0x...",
      "type": 2,
      "maxPriorityFeePerGas": {"type": "BigNumber", "hex": "0x..."},
      "maxFeePerGas": {"type": "BigNumber", "hex": "0x..."},
      "gasLimit": {"type": "BigNumber", "hex": "0x..."}
    }
  ],
  "txId": "unique-transaction-id"
}

Authorizations

​
x-api-key
string
header
required

Body

application/json

Same request body as /prepare-transactions for method=mintToken. The method is implied by the path.

​
signerAddress
string
​
chainId
string
​
gasLimit
string
​
rpcUrl
string
​
tokenSymbol
string
​
userToMint
object[]

Response

200 - application/json

Successful response

​
transactions
object[]
required
​
txId
string
required