Bulk add contacts to Teams

Hi all, Is there any way to bulk add contacts to Teams? This is under the Chat > Contacts section that I am referring to? Whenever we have a new user join the company, they have to manually ...

Teams Admin

Teams Chat

AndresGorzelany

Feb 16, 2023

Theangrydog

Hello, are you proficient with scripting?
With some tweaking you could use this script I made, I plan to improve it and publish it

Import-Module AADInternals

#This will prompt for credentials so it supports MFA login
$token = Get-AADIntAccessTokenForTeams

$skypeToken = Get-AADIntSkypeToken -AccessToken $token

Invoke-WebRequest -UseBasicParsing -Uri "https://teams.microsoft.com/api/mt/part/amer-03/beta/contacts/buddylist/RgAAAAClggzHMV84T7CuooP5TJakBwCn8NvzZtw-Rb1w2SeP68PUAAALK2GmAACn8NvzZtw-Rb1w2SeP68PUAAALLAIqAAAA0/managebuddies?migrationRequested=true&federatedContactsSupported=true" `
-Method "POST" `
-Headers @{
"authority"="teams.microsoft.com"
  "method"="POST"
  "path"="/api/mt/part/amer-03/beta/contacts/buddylist/RgAAAAClggzHMV84T7CuooP5TJakBwCn8NvzZtw-Rb1w2SeP68PUAAALK2GmAACn8NvzZtw-Rb1w2SeP68PUAAALLAIqAAAA0/managebuddies?migrationRequested=true&federatedContactsSupported=true"
  "scheme"="https"
  "accept"="application/json, text/plain, */*"
  "accept-encoding"="gzip, deflate, br"
  "accept-language"="en-US,en;q=0.9,es;q=0.8,es-ES;q=0.7,en-GB;q=0.6"
  "authorization"="Bearer $token"
  "origin"="https://teams.microsoft.com"
  "referer"="https://teams.microsoft.com/_"
  "sec-ch-ua"="`"Chromium`";v=`"110`", `"Not A(Brand`";v=`"24`", `"Microsoft Edge`";v=`"110`""
  "sec-ch-ua-mobile"="?0"
  "sec-ch-ua-platform"="`"Windows`""
  "sec-fetch-dest"="empty"
  "sec-fetch-mode"="cors"
  "sec-fetch-site"="same-origin"
  "x-anchormailbox"="email address removed for privacy reasons"
  "x-ms-client-env"="pds-prod-azsc-usea-01"
  "x-ms-client-type"="web"
  "x-ms-client-version"="1415/1.0.0.2023020626"
  "x-ms-scenario-id"="468"
  "x-ms-session-id"="cef7e701-18bc-4767-60f8-3ec240794968"
  "x-ms-user-type"="null"
  "x-ringoverride"="general"
  "x-skypetoken"=$skypeToken
} `
-ContentType "application/json;charset=UTF-8" `
-Body "{`"add`":[{`"mri`":`"8:orgid:7c4cb78f-aa4f-4cc6-953f-d0b55c1ca6d9`",`"displayName`":`"Isaiah Langer`",`"isFederated`":false,`"email`":`"email address removed for privacy reasons`"}]}"

the last line is the one you need to tweak with the desired contact to add to favorites.

I'll get back when I improve and publish this on my blog...