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POST
/
prepare-transactions
/
transferFrom
transferFrom
curl --request POST \
  --url https://api.sandbox.brickken.com/prepare-transactions/transferFrom \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "method": "transferFrom",
  "signerAddress": "0x742d35Cc6634C0532925a3b8D4C9db96c4b4d8b",
  "chainId": "aa36a7",
  "tokenSymbol": "EXMPL",
  "from": "0x1111111111111111111111111111111111111111",
  "to": "0x2222222222222222222222222222222222222222",
  "amount": "100"
}
'
{
  "transactions": [
    {}
  ],
  "txId": "<string>"
}
Prepares unsigned transactions for transferring tokens from one address to another (requires prior approval). This endpoint is equivalent to calling /prepare-transactions with method=transferFrom.

Authorizations

​
x-api-key
string
header
required

Body

application/json

Request body for transferFrom.

​
method
enum<string>
required

Required. Must be transferFrom.

Available options:
transferFrom
​
signerAddress
string
required

Required. Wallet address that will sign the prepared transaction.

​
chainId
string
required

Required. Blockchain network identifier. Hex format is recommended, for example Sepolia aa36a7.

​
tokenSymbol
string
required

Required. Token symbol. Must be 2 to 5 uppercase letters or numbers.

​
from
string
required

Required. Owner address to transfer from. This address must have approved signerAddress.

Pattern: ^0x[a-fA-F0-9]{40}$
​
to
string
required

Required. Recipient address.

Pattern: ^0x[a-fA-F0-9]{40}$
​
amount
string
required

Required. Amount of tokens to transfer.

​
gasLimit
string

Optional. Gas limit override. If omitted, the API estimates gas automatically.

​
privateRpcUrl
string

Optional. Private RPC URL override. If omitted, the API uses the configured RPC for chainId.

​
nonce
integer

Optional. Nonce override. If omitted, the API reads the pending nonce from the RPC.

Response

200 - application/json

Successful response

​
transactions
object[]
required
​
txId
string
required