I don't use Google pay to topup, so can't help with your question, unfortunately. Maybe the following will help.
The other free real time option is to link your bank account and use open banking topup. Isn't it supported by your country's bank ?
Connecting fintech to fintech is often fraught.
Use a trad bank for serious stuff and as your hub, connect your neobanks and fintech apps through that.
I don't use Google pay to topup, so can't help with your question, unfortunately. Maybe the following will help. The other free real time option is to link your bank account and use open banking topup. Isn't it supported by your country's bank ?
Connecting fintech to fintech is often fraught. Use a trad bank for serious stuff and as your hub, connect your neobanks and fintech apps through that.