According to the USCIS: “On July 19, the NSC started accepting credit card payments using Form G-1450 for petitioners filing Form I-140, Immigrant Petition for Alien Workers, with Form I-907, Request for Premium Processing Service, or when filing Form I-907 to upgrade a pending Form I-140 to premium processing. ”
The USCIS will evaluate the result of this pilot program to determine if they would expand this type of payment option for other forms or other service centers.
For more information, please visit : https://www.uscis.gov/i-140-addresses