Plus: the best credit cards to use at Backblaze for maximum rewards in 2026.
By PointsPick Team, Credit Card Research Team · Updated April 2026
Backblaze uses MCC code 4816 (Computer Network Services). The best credit card is the Ink Business Cash, earning 5x rewards on this category.
Backblaze transactions are processed under MCC 4816 (Computer Network Services, category: utilities). These cards earn the highest rewards:
| Card | Earning Rate | Annual Fee | Issuer | |
|---|---|---|---|---|
| Ink Business Cash | 5x | No annual fee | Chase | Apply Now |
| Ink Business Preferred | 3x | $95/yr | Chase | Apply Now |
| AAdvantage Aviator World Elite Business | 2x | $95/yr | Barclays | Apply Now |
| AAdvantage Business World Elite | 2x | $99/yr | Citi | Apply Now |
| Southwest Plus | 2x | $99/yr | Chase | Apply Now |
Rates and fees as of April 2026. Verify with issuer before applying.
Backblaze uses MCC code 4816, which is classified as "Computer Network Services". This determines which credit card bonus categories apply to purchases at Backblaze.
The best credit card at Backblaze is the Ink Business Cash, which earns 5x points/miles on purchases coded as MCC 4816 (Computer Network Services).
Backblaze uses MCC 4816 (Computer Network Services). This means purchases at Backblaze do NOT qualify for grocery credit card bonuses, which require MCC 5411 (Grocery Stores and Supermarkets).