What permissions does this ask for in Salesforce?

Name: SMSGatewayCenter
Address: 225 & 226, Ground Floor, Raghuleela Mega Mall, Behind Pohisar Bus Depot, Kandivali West, Mumbai, 400067, IN
Telephone: 912228657726
Price range: 20

< 1 min read

It requests API access and offline access (so it can stay connected without you being logged in). It does not request anything beyond reading and writing the objects you choose to connect.