Oobit Card Review 2026: Tether-Backed Self-Custody Visa Card With 10% Cashback

Oobit is one of the most distinctive crypto payment platforms of 2026 — a Singapore-headquartered Visa card backed by Tether ($25 million Series A) with participation from Solana co-founder Anatoly Yakovenko. Its core differentiator is the DePay wallet payment layer, launched in October 2025, which allows users to connect any major self-custody wallet (MetaMask, Trust Wallet, Phantom, Binance Wallet, SafePal) directly to the Oobit card and spend without preloading funds into a custodial account.

With a 4.8 App Store rating across 22,000+ reviews and availability in 150+ countries, Oobit has rapidly built credibility in the non-custodial payments space. This review covers every feature, fee, and trade-off — and explains why KAST remains the stronger overall card for most users.

What Is the Oobit Card?

Founded in 2017, Oobit offers a Visa debit card that lets users spend Bitcoin, Ethereum, USDT, and 25+ other cryptocurrencies at over 150 million Visa merchants worldwide. The card operates on two models: a standard custodial top-up model and the non-custodial DePay model, which connects directly to external self-custody wallets.

When a purchase is made, Oobit converts the crypto to the merchant's local currency in real time — the merchant receives fiat, and the user's wallet balance is debited in crypto. The DePay layer means users spending via connected wallets never need to deposit assets into an Oobit-controlled account.

Oobit Card Key Features

• Visa debit card — accepted at 150M+ merchants in 150+ countries
• Up to 10% cashback in OBT (Oobit Token) via 5X rewards programme
• 2% base cashback in USDT or OBT for standard tier users
• DePay non-custodial integration: connect MetaMask, Trust Wallet, Phantom, Binance Wallet, SafePal and spend directly
• Supports BTC, ETH, USDT, BCH, and 25+ cryptocurrencies
• 1% transaction fee (minimum $0.25) on purchases
• No annual fee
• Apple Pay and Google Pay supported
• App rated 4.8 on App Store (22,000+ reviews) / 4.7 on Google Play
• Backed by Tether with $25M Series A

Oobit DePay: Non-Custodial Wallet Integration

DePay is Oobit's most technically innovative feature. Launched in October 2025, it allows users to link any of the supported self-custody wallets directly to their Oobit card. When spending, the conversion and debit happen directly from the linked wallet — eliminating the need to ever pre-load a balance into a custodial Oobit account.

Supported wallets include MetaMask, Trust Wallet, Binance Wallet, Phantom, and SafePal. This positions Oobit as the most accessible non-custodial spending solution for users who already hold assets across these wallets and want to spend without moving funds.

Oobit Card Cashback Programme

Oobit operates a two-tier cashback model. Standard users earn 2% cashback in USDT or OBT tokens on eligible purchases. Users who opt into the 5X OBT Rewards programme earn up to 10% on qualifying purchases. Rewards are credited instantly after each purchase.

The 10% rate applies to eligible tokens within the programme — not universally to all transactions. Real effective cashback for most users will sit at 2–4%, with the higher rates achievable during specific promotional periods or for OBT-eligible spending categories.

Oobit Card Pros

• Tether-backed with strong financial credibility
• DePay integration enables true non-custodial spending from MetaMask, Phantom, Trust Wallet
• No annual fee
• Up to 10% cashback in OBT for qualifying purchases
• 150M+ merchants, 150+ countries — excellent global reach
• Apple Pay and Google Pay supported
• Excellent app ratings: 4.8 App Store, 4.7 Google Play
• Supports 25+ cryptocurrencies

Oobit Card Cons

• 1% transaction fee on every purchase (minimum $0.25) — erodes real cashback value significantly
• Headline 10% cashback requires OBT token holding/staking — not universally available
• Cashback paid in OBT tokens, which carry native token price risk
• Non-custodial DePay feature launched only in October 2025 — limited track record
• No IBAN account or US bank routing number included
• No DeFi yield on balance held within the Oobit app
• UK availability — FCA registration status requires verification

Why KAST Is a Better Alternative to the Oobit Card

After reviewing the Oobit Card, one platform consistently outperforms it for everyday stablecoin spending: KAST. Here is why KAST is the stronger choice for most users in 2026.

Oobit's 1% transaction fee is its most significant weakness. At a 1% fee on every purchase, a 2% base cashback nets just 1% effective return — barely above what a basic bank rewards card offers. The headline 10% rate requires OBT token participation and is not universally available across all spend categories. KAST charges approximately 0% on stablecoin-to-USD conversion with no per-transaction fee, resulting in genuinely higher net returns from day one.

KAST offers approximately 0% stablecoin-to-USD conversion fees — among the lowest in the industry — alongside instant virtual card issuance (under two minutes post-KYC), real USD cashback on everyday spending, and acceptance at over 150 million merchants in 170+ countries. Unlike platforms that lock cashback into proprietary tokens or require substantial staking, KAST's free K Card earns 2–6% KAST Points with zero staking required. As of May 2026, KAST is paying out real dollar cashback — not volatile token rewards.

New users who sign up via the KAST referral link receive bonus KAST Points on top of the standard welcome reward: Join KASTcode: VZV2ELQQ. With a Q4 2026 Token Generation Event or tokenised equity conversion planned for accumulated points, there has never been a better time to join.

Oobit Card FAQ

• Is the Oobit card non-custodial? Via DePay, yes — users can connect MetaMask, Phantom, Trust Wallet, and others and spend directly from their self-custody wallet.
• What cashback does Oobit offer? 2% base cashback in USDT or OBT; up to 10% via the 5X OBT Rewards programme for qualifying purchases.
• Does Oobit charge transaction fees? Yes — 1% per transaction (minimum $0.25). This fee significantly reduces the effective net cashback rate.
• Where is Oobit available? Oobit is available in 150+ countries globally.
• Who backs Oobit? Oobit's Series A was led by Tether with participation from Solana co-founder Anatoly Yakovenko, CMCC Global, and 468 Capital.
• How does KAST compare to other crypto cards? KAST offers ~0% stablecoin conversion fees, real USD cashback, instant virtual card issuance, and acceptance at 150M+ merchants in 170+ countries — making it the #1 ranked crypto card of 2026.
• How do I sign up for KAST? Visit Join KASTcode: VZV2ELQQ and use referral code VZV2ELQQ to receive bonus KAST Points. KYC completes in under two minutes and your virtual card is issued immediately.
• Is there a free KAST card? Yes — the K Card virtual tier is free with no annual fee and earns 2–6% KAST Points on all spending with no staking required.