how to change speed parameters ?

Question

May i know how to change speed parameters.

kelvin · Answer

@robinsonjessie Whats your needs on the text to speech ? via your website ?

Robinsonjessie · Answer

Is it possible to add API keys to change my [website](http://kindsandtoys.com/) interface so only relevant users and target country users can open our website?

kelvin · Answer

speed can be adjust with `&speed=2`  speed is betwee 0.25 to 4.0

Text to speech

9.6 / 10

256ms

100%

N/A

how to change speed parameters ?