Curve Referral Code 2026: £5 Bonus + Cashback
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Curve
£5 bonusD6WM8GMD
Valid on Curve • Use at checkout
About this offer
Curve is a British fintech founded in 2015 offering a Mastercard "supercard" that combines all your existing bank cards into one. Rather than a bank, Curve is a layer on top of your cards that adds features: up to 1% cashback, enhanced fraud protection, foreign payments at the interbank rate, and the "Go Back in Time" feature to switch the card used after a purchase.
Use code D6WM8GMD at checkout on Curve to get £5 bonus. This offer is verified and regularly updated.
What is Curve?
Curve is a British fintech founded in 2015 in London, offering an innovative Mastercard "supercard" that combines all your existing bank cards into one. Rather than a bank competing with Revolut or N26, Curve is a technology layer on top of your existing cards. It works anywhere Mastercard is accepted. With more than 4 million users in 31 countries, Curve has raised over €175 million since launch. Available via the iOS or Android app, Curve is especially useful for people holding multiple cards who want to simplify management and add premium features.
Curve's main features
Curve offers several unique features. Card consolidation: connect up to 25 cards and pay with a single physical Curve card. Go Back in Time: switch the debit card used up to 30 days after a purchase (useful for optimising points or spending categories). Anti-Embarrassment Mode: if your main card is declined, Curve automatically falls back to a backup card. Cashback (Curve offers): up to 15% at partner merchants. Travel insurance on premium plans. Section 75 purchase protection (UK law). These features set Curve apart from any other neobank.
Curve Go Back in Time: how it works
The Go Back in Time feature is one of Curve's most original. After a purchase, you have up to 30 days to "move" that transaction from one card to another in your Curve wallet. Examples: you paid with your business card for a personal purchase — move it to your personal card. You used a card with no perks when your miles card would have earned points — move the transaction. You hit your monthly limit on one card — split across several. This feature is unique on the market and a real advantage for multi-card users.
Curve plans: Free, Smart, Metal
Curve offers three tiers. Curve Free (free): 1 virtual card, card consolidation, currency conversion (monthly limit), Go Back in Time over 30 days. Curve Smart (~€4.99/month): 3 simultaneous cashback cards, a better exchange rate, enhanced travel and purchase insurance. Curve Metal (~€14.99/month): a physical metal card, up to 1% cashback on 6 merchants of your choice, favourable exchange rates, airport lounge access, premium insurance. Compare with Revolut Metal and the premium plans of N26. Prices may vary with current promotions.
Curve and foreign-currency payments
Curve offers foreign-currency payments at the interbank rate (the most favourable possible) on Free and Smart up to a monthly cap. For Curve Metal, the cap is higher. Beyond the cap, a 0.5% spread applies. For frequent travellers, Curve can bypass the FX fees of traditional cards (often 2-3%) by acting as an intermediary. Compare with Wise (pure interbank rate, no card cap), Revolut (free cap then 0.5% spread) and N26 depending on your needs.
Curve referral code and compatibility
To claim the Curve referral bonus (£5): 1) Download the Curve app. 2) At sign-up, enter a friend's referral code in the dedicated field. 3) Verify your identity (quick KYC). 4) Activate your Curve card. 5) Receive £5 once conditions are met (usually after a first purchase). On compatibility, note that Curve is not compatible with every card. Debit cards (Visa, Mastercard) are generally supported. Some credit cards may incur extra fees when "wrapped" in Curve, and American Express has not been accepted since 2020. Test your cards' compatibility before subscribing to a paid plan.
Security and business use of Curve
Curve is authorised by the FCA (the UK financial regulator) as an e-money institution, and operates in the EU under an EU licence post-Brexit. Funds received via Curve are segregated. Security features include instant in-app card freezing, real-time notifications, foreign-transaction freezing and customisable limits, with 3DS authentication and contactless. Curve also offers Curve Business for professionals to consolidate company and expense cards, with simplified expense management (automatic export to accounting tools). For full accounting, tools like Dougs or Indy remain necessary.
Curve in 2026 and our verdict
In 2025-2026, Curve kept evolving with Curve Cash (a built-in savings feature), improved cashback with new partner merchants, and tighter BNPL (Buy Now Pay Later) integration. It is also working on crypto integrations to pay with crypto from the app. The fintech remains innovative despite intense competition from Revolut. Its distinctive edge remains Go Back in Time and the ability to "upgrade" existing cards without switching.
Our verdict: Curve is a unique, innovative solution that complements (rather than replaces) your existing cards. Strengths: Go Back in Time (unique), card consolidation, Anti-Embarrassment Mode, a free tier, competitive FX payments, a £5 referral code. Weaknesses: not a full bank (no own account number), limited compatibility (no Amex, some credit cards), UK-based post-Brexit. Ideal for multi-card users optimising spending, alongside a main neobank like Revolut or a traditional bank like Boursobank.
Frequently asked questions
What is Curve's Go Back in Time feature?
Go Back in Time lets you change the card used for a purchase up to 30 days after the transaction. If you paid with the wrong card (e.g. personal instead of business, or a no-perks card instead of a miles card), you can move the spend to the right card from the Curve app.
Is Curve free?
The base Curve Free plan is free. It includes the virtual card, card consolidation, currency conversion up to a monthly cap, and Go Back in Time. Paid plans (Curve Smart ~€4.99/month, Curve Metal ~€14.99/month) add more cashback, insurance and a better exchange rate.
How do I get the Curve referral code?
To claim the referral bonus (£5), enter a friend's code when you sign up in the Curve app. The bonus is credited after a first purchase. Exact terms may change — check curve.com.
Is Curve compatible with all cards?
Curve works with most Visa and Mastercard debit cards. American Express has not been accepted since 2020. Some credit cards may incur extra fees. Check the compatibility list on the Curve site before subscribing.
Does Curve replace a bank?
No, Curve is not a bank. It is a technology layer on top of your existing cards. Curve has no account number of its own and does not replace your main current account. It complements your cards by adding features (Go Back in Time, cashback, multi-currency).
Is Curve available internationally?
Yes, Curve operates across 31 countries. Although UK-based, it operates in the EU via an EU licence. The app is available on iOS and Android, and the physical Curve Mastercard works worldwide.
What are Curve's foreign-currency fees?
On the free plan, Curve offers interbank-rate conversion up to a monthly cap. Beyond that, a 0.5% spread applies, with a possible weekend surcharge (0.5-1%). On Curve Metal, the fee-free caps are higher.
Is Curve secure?
Yes, Curve is authorised by the FCA and holds an EU licence to operate in the EU. Funds are segregated. The card has 3DS protection and real-time notifications. You can freeze your card instantly from the app if lost or stolen.