Possible parameters:

URL
Provide the address to the material.

HL
Provide the ISO 3166-1 alpha-2 code of the country
(This is the language for the returned messages)

Response:

STATUS:

process:
File in progress of creation

completed:
File ready

error:
An error occurred

CURRENT:
(occurs with status: process)

Currently performing action (checking, downloading, converting)

CURRENT_PERCENT:
(occurs with status: process)

Percentage 0 - 100 of the currently performed action

CODE:
Unique code for a given cycle
(You can use it to generate your messages)

MESSAGE:
Short message informing about the status or describing the error

DATA:
Table containing information about the file (title, duration)

FILES:
Array containing information and links to download specific audio.