French phrase
Puis-je payer au ~ ?
Meaning
Can I pay at ___?
When to use it
A polite question about paying at a specified place. It is used to check whether that payment location is acceptable.
Example dialogue
Puis-je payer au guichet ?
Can I pay at the counter?
Oui, vous pouvez payer au guichet.
Yes, you can pay at the counter.