Verdict
- KAST scores higher overall (5.9 vs 4.8 out of 10).
- Curve Pay is clearly stronger on: Limits & ATM.
- KAST is clearly stronger on: Cashback & rewards, FX & international.
- For 1,500 EUR/month of spend, KAST comes out about 287 EUR a year ahead on base-tier terms.
Curve Pay is a good fit for
- No specific audience can be derived from the published data yet.
Stronger on: Limits & ATM
KAST is a good fit for
- Stablecoin holders
Stronger on: Cashback & rewards, FX & international
Score by criterion
| Criterion | Curve Pay | KAST |
|---|---|---|
| Fees | 100 | 90 |
| Cashback & rewards | 3 | 35 |
| Availability | – | – |
| FX & international | 0 | 30 |
| Product features | – | 100 |
| Custody & security | – | – |
| Credit & financing | – | – |
| Limits & ATM | 60 | 34 |
| Transparency | 86 | 79 |
| Best for Cashback | 3.4 | 5.1 |
| Best for Travel | 3.9 | 5.2 |
| Best for DeFi Users | n/a | 5.9 |
| Best for Stablecoins | n/a | 6.1 |
| Best for High Spenders | 3.4 | 4.9 |
| Best for Low Fees | 6.7 | 6.5 |
| Best for Beginners | 6.3 | 7.5 |
| Best E-Money Card | 5.6 | n/a |
Product
Product status
ActiveShow source
Product status: Active
Source: Fees – Curve Help Centre
Official pricing / fee schedule (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
ActiveShow source
Product status: Active
Source states (paraphrased): Fee page updated in October 2026.
Source: What Are the Fees and Conditions for KAST Cards and Accounts?
Official pricing / fee schedule (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Card type
Stablecoin cardShow source
Card type: Stablecoin card
Source states (paraphrased): Cards spend stablecoins at Visa merchants.
Source: Crypto cards — spend stablecoins at 150M+ merchants
Official product page (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Network
MastercardShow source
Network: Mastercard
Source states (paraphrased): Fees charged on top of the Mastercard rate.
Source: Fees – Curve Help Centre
Official pricing / fee schedule (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
VisaShow source
Network: Visa
Source states (paraphrased): The card works wherever Visa is accepted.
Source: Where Can I Use My KAST Card?
Official help center / FAQ (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Tiers / plans
Curve Pay (free) · Curve Pay X £5.99/mo · Curve Pay Pro £9.99/mo · Curve Pay Pro+ £17.99/moShow source
Tiers / plans: Curve Pay (free) · Curve Pay X £5.99/mo · Curve Pay Pro £9.99/mo · Curve Pay Pro+ £17.99/mo
Source: What Curve Pay subscription plans are available?
Official help center / FAQ (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Standard ($0/year) · Premium ($1,000/year) · Private ($10,000/year)Show source
Tiers / plans: Standard ($0/year) · Premium ($1,000/year) · Private ($10,000/year)
Source states (paraphrased): Memberships: Standard $0, Premium $1,000, Private $10,000 per year.
Source: What Are the Fees and Conditions for KAST Cards and Accounts?
Official pricing / fee schedule (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Fees
Annual fee
Free*Show source
Annual fee: Free
Standard membership; Premium $1,000/yr, Private $10,000/yr
Source states (paraphrased): Standard membership costs $0 per year.
Source: What Are the Fees and Conditions for KAST Cards and Accounts?
Official pricing / fee schedule (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Standard membership; Premium $1,000/yr, Private $10,000/yr
Monthly fee
Free*Show source
Monthly fee: Free
Curve Pay (free plan)
Source: What Curve Pay subscription plans are available?
Official help center / FAQ (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Curve Pay (free plan)
Physical card fee
$40*Show source
Physical card fee: $40
Delivery fee; the Standard physical card itself is free
Source states (paraphrased): Standard physical cards: no card fee, $40 delivery fee.
Source: What Are the Fees and Conditions for KAST Cards and Accounts?
Official pricing / fee schedule (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Delivery fee; the Standard physical card itself is free
FX fee
2.99%*Show source
FX fee: 2.99%
Free plan above £250/month fee-free FX; paid plans £3,333–£100,000 fee-free
Source: Fees – Curve Help Centre
Official pricing / fee schedule (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Free plan above £250/month fee-free FX; paid plans £3,333–£100,000 fee-free
1.75%*Show source
FX fee: 1.75%
Up to; 0.5%–1.75% on non-USD card spend depending on membership
Source states (paraphrased): 0.5%–1.75% foreign exchange fee on non-USD card spend.
Source: What Are the Fees and Conditions for KAST Cards and Accounts?
Official pricing / fee schedule (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Up to; 0.5%–1.75% on non-USD card spend depending on membership
ATM fee
2% (min. £2)*Show source
ATM fee: 2% (min. £2)
No free allowance on the free plan; X £300, Pro £500, Pro+ £1,000 per month
Source: Fees – Curve Help Centre
Official pricing / fee schedule (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
No free allowance on the free plan; X £300, Pro £500, Pro+ £1,000 per month
$3 + 2%*Show source
ATM fee: $3 + 2%
Plus FX fee on non-USD ATMs; operators may add charges
Source states (paraphrased): ATM fee is $3 plus 2% of the withdrawal.
Source: Can I Withdraw Cash With a KAST Card?
Official help center / FAQ (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Plus FX fee on non-USD ATMs; operators may add charges
Small transaction fee
$0.10*Show source
Small transaction fee: $0.10
Non-USD transactions under $25
Source states (paraphrased): $0.10 fee on non-USD transactions under $25.
Source: What Are the Fees and Conditions for KAST Cards and Accounts?
Official pricing / fee schedule (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Non-USD transactions under $25
Other fees & markups
+1.5% on weekend FX spending (free plan) · 1.5% per transaction on commercial cards · 2.9% when funding through an international payment card above the allowanceShow source
Other fees & markups: +1.5% on weekend FX spending (free plan) · 1.5% per transaction on commercial cards · 2.9% when funding through an international payment card above the allowance
Source: Fees – Curve Help Centre
Official pricing / fee schedule (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Cashback & rewards
Base cashback
0%*Show source
Base cashback: 0%
Free plan
Source: What Curve Pay subscription plans are available?
Official help center / FAQ (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Free plan
1.5%*Show source
Base cashback: 1.5%
Standard membership, first $2,000 of spend per month
Source states (paraphrased): Standard: 1.5% cashback on the first $2,000 per month.
Source: KAST Membership Agreement
Official terms & conditions (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Standard membership, first $2,000 of spend per month
Max cashback
1%*Show source
Max cashback: 1%
Paid plans: on non-European/non-UK currency spend (X) or selected retailers (Pro/Pro+, capped £25/£50 per month)
Source: Curve Cashback & Rewards
Official terms & conditions (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Paid plans: on non-European/non-UK currency spend (X) or selected retailers (Pro/Pro+, capped £25/£50 per month)
3%*Show source
Max cashback: 3%
Private membership ($10,000/yr), first $40,000 per month; plus 2% in KAST Points
Source states (paraphrased): Private: 3% on the first $40,000 per month, plus 2% KAST Points.
Source: KAST Membership Agreement
Official terms & conditions (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Private membership ($10,000/yr), first $40,000 per month; plus 2% in KAST Points
Cashback type
FiatShow source
Cashback type: Fiat
Source: Curve Cashback & Rewards
Official terms & conditions (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Cashback-eligible spend cap
$2,000/month*Show source
Cashback-eligible spend cap: $2,000/month
Standard; Premium $10,000, Private $40,000 per month
Source states (paraphrased): Monthly cashback-eligible spend caps per membership.
Source: How Do Cashback Rewards Work on KAST?
Official help center / FAQ (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Standard; Premium $10,000, Private $40,000 per month
Cashback conditions
Premium adds 1% and Private 2% in KAST Points on all spend · Subject to eligibility, caps and regional availabilityShow source
Cashback conditions: Premium adds 1% and Private 2% in KAST Points on all spend · Subject to eligibility, caps and regional availability
Source states (paraphrased): Points bonus by membership; rewards subject to eligibility and caps.
Source: How Do Cashback Rewards Work on KAST?
Official help center / FAQ (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Features
Apple Pay
Yes*Show source
Apple Pay: Yes
Region-dependent
Source states (paraphrased): 0% fee for adding cards to Apple Pay / Google Pay where supported.
Source: What Are the Fees and Conditions for KAST Cards and Accounts?
Official pricing / fee schedule (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Region-dependent
Google Pay
Yes*Show source
Google Pay: Yes
Region-dependent
Source states (paraphrased): 0% fee for adding cards to Apple Pay / Google Pay where supported.
Source: What Are the Fees and Conditions for KAST Cards and Accounts?
Official pricing / fee schedule (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Region-dependent
ATM withdrawals
YesShow source
ATM withdrawals: Yes
Source states (paraphrased): KAST cards can withdraw cash at ATMs.
Source: Can I Withdraw Cash With a KAST Card?
Official help center / FAQ (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Spend stablecoins
YesShow source
Spend stablecoins: Yes
Source states (paraphrased): Spend stablecoins at 150M+ merchants.
Source: Crypto cards — spend stablecoins at 150M+ merchants
Official product page (tier 1)
Initial research (official source, awaiting agent verification) · retrieved 22 October 2026 · confidence 60%
Annual cost at 1,500 EUR/month
Curve Pay
- Annual & monthly fees+0 EUR
- FX costs−108 EUR
- Crypto conversion–
- ATM costs−28 EUR
- Cashback+0 EUR
- Net annual value-136 EUR
KAST
- Annual & monthly fees+0 EUR
- FX costs−63 EUR
- Crypto conversion–
- ATM costs−55 EUR
- Cashback+270 EUR
- Net annual value152 EUR
Assumes 300 EUR foreign spend and 100 EUR ATM per month, base tier only. Use your own numbers