Here are the following steps you need to use a NFC card which you may get on amazon at pennies to the dollar compared to dot cards or pop cards sold as a SaaS. These other companies have you pay 15 per month to use card + app. You can skip that and just load it yourself with a nfc card app on you phone and free vcard link from my recommended site.
- obtain a nfc card from amazon – link–> nfc-card
- create a vcard file and host. I suggest using – https://zapped.to/
- Use the link for vcard hosted file given in zapped.to site. Add this link in the nfc card.
- Use a program app called “NFC tools” which can be purchased for a 1 time fee on apple app store.
- The steps are A) goto write in nfc tools app B) add a record C) add url which is a vcard link.