There are multiple definitions - click on the translation that matches your context.

a pagar

inespecíficado

full

payable

adjective

Definitions of payable

(of money) that must be paid (=money must be given)

Upfront fees are payable to your attorney, unless you have agreed on a "no win, no fee" arrangement.

able to be paid

An annual licence fee of £2,600 is also payable instead of monthly instalments.