Skip to content

Comparison

Flex Business Card vs. Slash Platinum Card: fees, limits & KYC

In short

  • Flex Business Card has the higher score (69.69).
Attribute Illustration: Flex Business Card Flex Business CardFlexbase Technologies, Inc. KYC unknown Business Virtual Physical Illustration: Free Slash Platinum CardSlash KYC unknown Business Virtual Physical Metal
Score good average
CostsWeight 25 % 100 72
KYC and privacyWeight 20 % not scored not scored
FeaturesWeight 15 % 100 76
AvailabilityWeight 10 % 17 17
RewardsWeight 10 % 57 51
TrustWeight 10 % 73 68
CommunityWeight 10 % not scored not scored
KYC KYC unknown KYC unknown
Limits (entry level) no limits captured no limits captured
Basics
Card form credit flex.one checked 29 Oct 2026
credit slash.com checked 29 Oct 2026
Card types (differs) virtual, physical flex.one checked 29 Oct 2026
virtual, physical, metal slash.com checked 29 Oct 2026
Card network Visa flex.one checked 29 Oct 2026
Visa slash.com checked 29 Oct 2026
Custody (differs) not applicable flex.one checked 29 Oct 2026
custodial slash.com checked 29 Oct 2026
Funding model credit line flex.one checked 29 Oct 2026
credit line slash.com checked 29 Oct 2026
Card currencies USD flex.one checked 29 Oct 2026
USD slash.com checked 29 Oct 2026
Usage business flex.one checked 29 Oct 2026
business slash.com checked 29 Oct 2026
Issuer / BIN sponsor (differs) Column, N.A. flex.one checked 29 Oct 2026
Column N.A. slash.com checked 29 Oct 2026
Limits depend on user setting flex.one checked 29 Oct 2026
user setting slash.com checked 29 Oct 2026
Cards per account unknown
unknown
Availability
Available in Available in: United States flex.one checked 29 Oct 2026
Available in: United States slash.com checked 29 Oct 2026
Crypto
Supported assets (differs) not applicable flex.one checked 29 Oct 2026
USDT, USDC, USDSL slash.com checked 29 Oct 2026
Number of supported assets (differs) not applicable flex.one checked 29 Oct 2026
unknown
Top-up networks (differs) not applicable flex.one checked 29 Oct 2026
Ethereum, Tron, Solana, Polygon, Arbitrum, Base, Optimism, Avalanche, Stellar slash.com checked 29 Oct 2026
Fiat top-up (differs) not applicable flex.one checked 29 Oct 2026
Yes slash.com checked 29 Oct 2026
Payments
Mobile wallets (differs) unknown
Apple Pay Google Pay Samsung Pay slash.com checked 29 Oct 2026
ATM withdrawals (differs) unknown
No slash.com checked 29 Oct 2026
Contactless (differs) unknown
Yes slash.com checked 29 Oct 2026
Fees
Virtual card issuance 0.00 USD flex.one checked 29 Oct 2026
0.00 USD slash.com checked 29 Oct 2026
Physical card issuance (differs) 0.00 USD flex.one checked 29 Oct 2026
5.00 USD slash.com checked 29 Oct 2026
Free cards unknown
unknown
Shipping (differs) unknown
only in the app slash.com checked 29 Oct 2026
Monthly fee 0.00 USD flex.one checked 29 Oct 2026
0.00 USD slash.com checked 29 Oct 2026
Annual fee 0.00 USD flex.one checked 29 Oct 2026
0.00 USD slash.com checked 29 Oct 2026
Top-up fee (differs) not applicable flex.one checked 29 Oct 2026
unknown
Crypto deposit fee unknown
unknown
Crypto conversion fee (differs) not applicable flex.one checked 29 Oct 2026
not published slash.com checked 29 Oct 2026
Foreign currency fee (differs) unknown
2 % slash.com checked 29 Oct 2026
FX free allowance unknown
unknown
Minimum FX fee unknown
unknown
ATM fee (differs) unknown
not applicable slash.com checked 29 Oct 2026
Transaction fee unknown
unknown
Cross-border fee unknown
unknown
Withdrawal fee unknown
unknown
Activation fee unknown
unknown
Minimum top-up unknown
unknown
Declined payment fee unknown
unknown
Refund fee unknown
unknown
Inactivity fee (differs) unknown
0.03 USD slash.com checked 29 Oct 2026
Minimum monthly spend unknown
unknown
Inactivity rule (differs) unknown
A card not used for 30 days to make a posted transaction may be charged a dormant-card fee of $0.03 per month until it is used again; no closure rule is stated. slash.com checked 29 Oct 2026
Card replacement (differs) unknown
only in the app slash.com checked 29 Oct 2026
Rewards
Cashback (differs) 1.75–2 % flex.one checked 29 Oct 2026
1.5 % · in USD
Referral bonus (invited friend) unknown
unknown
Referral bonus (you) unknown
unknown
Welcome bonus unknown
unknown

Highlighted rows differ.

Values of the chosen variant; without a choice the entry variant (first in the provider's order).

Early warning

Watch both cards

One mail when something changes at Flex Business Card · Slash Platinum Card: promotions and bonuses as well as warnings and incidents.

What do you want to receive?

You will first get a mail with a confirmation link.