Hi Nigel, yes Integromat has internal storage and refer to a local file.
Hi @b.paluch,
Here some examples. Give a try, and let me know.
The webhook you need to point your recorder audio file
If you file is base64 (like here an m4a file), then you have to convert it to binary file.
here the conversion
and finally
The Integromat staff will help you if you need it > Integromat Automation
Good luck with your project.
John
PS: You can asked Integromat @arpit.choudhury to create a module for SpeechAce 
