Laso vs. KAST
Last reviewed: August 2026
Choose KAST if you want a reloadable stablecoin card you use daily for years, with cashback tiers and account features like a neobank. Choose Laso if you want a card in minutes with only a wallet signature, exact-amount cards for specific purchases, or an API an AI agent can call autonomously. KAST requires full identity verification before you can spend and has no agent-callable API; Laso cards are non-reloadable and have no cashback.
KAST and Laso both turn stablecoins into card spending, and they sit at opposite ends of the commitment scale. KAST is a stablecoin neobank: you complete identity verification, open an account, and get one reloadable card (virtual right away, physical shipped) with tiered rewards. Laso is a utility: connect a wallet, sign a message, pay for exactly the card you need, and leave. Both models are legitimate. This page lays out the real differences so you can pick for your situation.
| Laso Finance | KAST | |
|---|---|---|
| What you get | Non-reloadable virtual prepaid cards ($5–$1,000 each), 2,000+ gift card brands, and payouts to Venmo, PayPal, debit cards, and bank accounts | A stablecoin account with one reloadable prepaid card (virtual and physical) and tiered cashback rewards |
| KYC requirements | None for cards and gift cards: connect a wallet and sign a message. Identity verification is required only for Venmo/PayPal payouts and bank rails | Full identity verification required before the card and most features unlock |
| Funding assets and chains | USDC, USDT, or DAI on Ethereum, Solana, Stellar, Arbitrum, Base, or Polygon; agents pay per call in USDC on Base or Solana | USDT, USDC, USDe, PYUSD, RLUSD; deposits are Solana-first, plus bank transfer (ACH/wire) top-ups |
| Issuance speed | U.S. virtual card in about a minute; international cards are queued and typically fulfilled within 24 hours | Virtual card minutes after identity verification is approved; physical card ships (about $40 shipping per third-party reviews) |
| Fees (load, FX, monthly) | 0% on U.S. and Canadian cards; 3.8% + ~2% FX on international cards; gift cards up to 4.8% (U.S. Amazon 0%); no monthly fee. Schedule: laso.finance/fees | Free Standard tier; paid tiers with higher cashback (TODO: verify current tier pricing on kast.xyz). FX around 0.5–1.75%, ATM $3 + 2%, per third-party reviews |
| Limits | $5–$1,000 per U.S. card, $100–$1,000 international, order as many cards as you need; gift cards $5–$9,000 | Reviews report no stated deposit or spend caps on any tier (TODO: verify from KAST’s own terms) |
| Regions | U.S. cards for U.S. merchants, Canadian cards, international cards, gift cards in many countries | Marketed globally with excluded jurisdictions (TODO: verify current U.S. availability from KAST’s own terms) |
| Custody model | Your keys until you deposit; the deposited balance is held by Laso (FinCEN-registered MSB) and withdrawable to your wallet any time | Custodial account balance held with KAST |
Agent readiness
If an AI agent is doing the buying, the products are not comparable: KAST is an app a human operates, Laso is an API an agent calls. Scores for both sides:
| Laso Finance | KAST | |
|---|---|---|
| API an agent can call autonomously | Yes. Every product is an HTTP endpoint: GET /get-card issues a card, GET /get-card-data returns the details. One human step exists anywhere in the product: identity verification for Venmo/PayPal payouts, where the agent gets a link to hand to its human | No public agent-callable API as of August 2026; onboarding and card use run through the mobile app |
| Machine-readable pricing | Yes. Each x402 402 challenge quotes the exact fee-inclusive total before payment; full contract in openapi.json | None published |
| x402 support | Yes, USDC on Base or Solana on every paid endpoint | No |
| ai-plugin.json / llms.txt | Yes: llms.txt, SKILL.md, ai-plugin.json, MCP server card | None found as of August 2026 |
Where KAST is genuinely strong
KAST behaves like a bank account denominated in stablecoins. You can receive salary-style deposits, hold a balance long term, and spend from one card that reloads from that balance. The cashback tiers are real money for heavy spenders, and the physical card plus mobile-wallet support makes it a daily driver in a way a single-load card is not. If you want one card for everything and you are comfortable with the identity process and custodial account, KAST is a strong pick.
Where Laso is different, not just smaller
Laso has no account to open. A wallet signature is the whole sign-up, cards are issued per amount, and a deposited balance is withdrawable back to your wallet at any time. That shape has consequences KAST’s model cannot match: you can be spending within a minute of arriving, an exact-amount card caps what any merchant can ever charge, and an AI agent can run the entire flow over the API, paying per call in USDC. The trade is that each card is non-reloadable and there is no cashback.
When KAST is the better choice
- You want one reloadable card to use daily for years, with a physical card in your wallet.
- Cashback matters: KAST’s paid tiers reward volume, Laso pays none.
- You want neobank features: holding a long-term stablecoin balance, bank-transfer top-ups, multiple currencies.
- You need ATM access, which KAST cards support and Laso cards do not.
When Laso is the better choice
- You want to spend now: wallet signature to working card in about a minute, with no identity documents for card orders.
- You want exact-amount cards that cap merchant exposure, rather than one card carrying your whole balance.
- You need U.S.-merchant coverage or gift cards alongside cards.
- An AI agent is doing the buying: Laso has a full x402 API, KAST has no agent path.
Frequently asked questions
Does KAST require KYC?
Yes. KAST requires full identity verification before the card and most account features unlock. Laso requires no identity documents for cards or gift cards; a wallet signature is the sign-up, and identity verification applies only to Venmo/PayPal payouts and bank rails.
Can I fund KAST or Laso with USDC on Solana?
Both. KAST’s crypto deposits are Solana-first, and stablecoins convert 1:1. Laso accepts USDC on Solana along with USDC, USDT, and DAI on Ethereum, Stellar, Arbitrum, Base, and Polygon, and x402 API payments settle in USDC on Base or Solana.
Is KAST or Laso faster to start using?
Laso. A wallet signature and a deposit get you a working U.S. virtual card in about a minute. KAST requires identity verification first; the virtual card follows minutes after approval, so the practical difference is the verification step, not card provisioning.
Can an AI agent use KAST?
Not autonomously, as of August 2026: KAST has no public agent-callable API, no x402 support, and no machine-readable docs we could find. On Laso an agent orders and manages cards over the x402 API, paying in USDC; setup instructions live at laso.finance/SKILL.md.
Are Laso cards reloadable like a KAST card?
No. Each Laso card is issued for the amount you choose ($5 to $1,000) and is spent down. Ordering another card takes about a minute, so in practice it is per-purchase rather than single-use-then-stranded. If you specifically want one long-lived reloadable card, that is KAST’s model, not ours.
More comparisons
- Laso vs. Exchange crypto cards — Coinbase Card, Crypto.com card, Bybit Card
- Laso vs. Self-custody crypto cards — Gnosis Pay, MetaMask Card, Ether.fi Cash, Holyheld
- Laso vs. Crypto gift card sites — Bitrefill, Coinsbee, BitPay, eGifter
- Laso vs. Crypto off-ramps — exchange withdrawals, MoonPay, Transak, Ramp
- Laso vs. Virtual card platforms — Privacy.com, Stripe Issuing, Lithic
- Laso vs. AI agent payment platforms — Coinbase x402/CDP, Skyfire, Payman, Locus, Sponge, Ampersend
- Laso vs. Money transfer apps — PayPal & Venmo crypto, Wise, Remitly, bank wires
- Laso vs. RedotPay — RedotPay crypto cards
- Laso vs. SolCard — SolCard Solana crypto cards
- All comparisons, guides for AI agents, or compare Laso's own card types
Try it: connect a wallet at laso.finance and you'll have a card, gift card, or payout in minutes.
Building an agent? Point it at laso.finance/SKILL.md — it can set itself up.