Add the entry truesdk under LSApplicationQueriesSchemes in into your Info.plist file


Add the associated domain provided by Truecaller (for example in Your project -> Capabilities > Associated Domains. The prefix 'applinks:' is needed for universal links to function properly.

Important: Replace the 'https://' part from the provided app link with "applinks:". ie should become while adding to entitlements.

(Note that there is no http:// or https:// prefix when setting up the applinks:)