Is there way in hubspot to create custom api

Is there way in hubspot to create custom api

Hi @nutan1 ,

Can you give us some more information?
What do you want to achieve?
Regards,
Ronald

I have one new client want to work in hubspot.They also working in hubspot, asked me have you uses custom api..but I have no idea of it.

Hubspot have an good documentated API. You cannot create Custom API endpoints or someting in Hubspot. Maybe they mean Custom Objects?