Send USD to another address.

Parameters

• destination: Destination address
• amount: Amount to send (string or number, e.g. 1 = $1)
• opts: Optional parameters

Options

• :private_key - Private key for signing (falls back to config)
• :expected_address - When provided, validates the private key derives to this address

Returns

• {:ok, response} - Transfer result
• {:error, term()} - Error details

Examples

{:ok, result} = UsdSend.request("0x...", "100.0")
{:ok, result} = UsdSend.request("0x...", "100.0", private_key: "abc...")

Breaking Change (v0.2.0)

private_key was previously the first positional argument. It is now an option in the opts keyword list (:private_key).