How can get contact and send email via yahoo API

In my application, I need to send an email by the user's Yahoo. already I called yahoo Auth (get_token) API and I could get token but when I call userInfo's API
https://ift.tt/2YUmk2t
the response is:
getMethod:
URL: https://ift.tt/2YUmk2t
header:Authorization:Bearer<access token>
response status 403Forbidden

OR

post Method:
URL: https://ift.tt/2YUmk2t
body:{"access_token":"Bearer <access token>"}
response status...

How can get contact and send email via yahoo API

from Yahoo API https://ift.tt/3dngxrF
via IFTTT