Airtel — Airtel thanks app recharge

I have done a recharge for a airtel number today at 7.33 p.m using airtel thanks app and used amazon pay gateway and amount got deducted from my credit card but recharge failed.that transaction is not showing in transaction history of both airtel app and amazon pay app.when contacted amazon pay they asked me to contact airtel customer care.please let me know the status of the transaction.

The login number for airtel thanks app is [protected].

Please let me know when I will get refund

There is no response from airtel on this.useless airtel customer care