I have read this is posible using bitcoind, but i want to do it using the blockchain.info API and curl:
In the API link we can found the next info: https://blockchain.info/es/api/blockchain_wallet_api
Quote
Making Outgoing Payments
Send bitcoin from your wallet to another bitcoin address. All transactions include a 0.0001 BTC miners fee.
$main_password Your Main My wallet password
$second_password Your second My Wallet password if double encryption is enabled.
$to Recipient Bitcoin Address.
$amount Amount to send in satoshi.
$from Send from a specific Bitcoin Address (Optional)
$fee Transaction fee value in satoshi (Must be greater than default fee) (Optional)
$note A public note to include with the transaction (Optional)
Send bitcoin from your wallet to another bitcoin address. All transactions include a 0.0001 BTC miners fee.
Code:
https://blockchain.info/es/merchant/$guid/payment?password=$main_password&second_password=$second_password&to=$address&amount=$amount&from=$from&fee=$fee¬e=$note
$second_password Your second My Wallet password if double encryption is enabled.
$to Recipient Bitcoin Address.
$amount Amount to send in satoshi.
$from Send from a specific Bitcoin Address (Optional)
$fee Transaction fee value in satoshi (Must be greater than default fee) (Optional)
$note A public note to include with the transaction (Optional)
I will make some attempts to use that line code with curl. If it works for me y will update this thread.
If some one know how to do it, or have a better way to send a payment from unix, please share the info.