1
API for Sandbox

https://gw.fbr.gov.pk/di_data/v1/di/postinvoicedata_sb

Token: 43232b57-401a-3c07-945b-2cf1916b8f2d

2
API for Sandbox Invoices Detail

https://gw.fbr.gov.pk/di_data/v1/di/validateinvoicedata_sb

Sandbox Securirty Token: 43232b57-401a-3c07-945b-2cf1916b8f2d