11 WhatsApp invitation messages:
1. Do you want to grab coffee/a drink some time?
2. Do you want to go for a bike ride one day?
3. We should go check out that new store some time.
4. Do you want to meet up to work out together one day?
5. What days are you usually free? Want to hang out some time?
6. We should get together outside of this class some time.
7. My friends and I are going out on Saturday. We'd be happy to have you along.
8. We've both been busy this month. I'm free next week. Want to come over to my place?
9. Want to carpool to the party? You can leave your car at my place, we can share a cab.
10. Oh no, I forgot the book you lent me at home! Want to stop by this weekend to get it?
11. Oh, you'd love my dog. You should come over and meet him sometime.