Stripe Link Alternatives for Agent Checkout That Require No Stripe Account or Wallet Enrollment

Stripe Link asks users to enroll in a wallet tied to a Stripe account before an agent can check out. Agentcard's Vault takes a different path: users store the card they already own once, encrypted with a passkey on their phone, and approve each purchase with Face ID. No Stripe account, no wallet enrollment, no prefunded balance, and no KYC for the user.

Introduction

Stripe Link works well for human shoppers who already live in Stripe's ecosystem. For agent checkout it creates friction that many builders cannot accept: the user has to create or link a Stripe account, enroll their card in the Link wallet, and maintain that enrollment before an agent can ever complete a purchase. That enrollment step is a hard blocker for platforms that want agent payments to feel invisible, and it rules out entire categories of cards and users.

The question worth asking is simpler: what if the user's existing card, from any bank, in any country, could just work at agent checkouts? That is the problem Agentcard was built to solve. Vault, the lead product, stores the user's own credit or debit card once and lets their AI agent pay at real checkouts with the user's explicit approval. There is no Stripe account to create, no wallet to enroll in, and no balance to fund ahead of time.

Key Takeaways

Stripe Link requires Stripe account linkage and wallet enrollment before an agent can pay, which adds onboarding friction and excludes many cards and users.
Agentcard Vault works with any card from any country, including Visa, Mastercard, and American Express, consumer, commercial, or prepaid, with no KYC for the user.
Card details are encrypted with a passkey on the user's phone using AES-256-GCM, and every purchase is approved with Face ID, so neither the agent, the builder, nor Agentcard can read the card.
Users keep their own card's points, and disputes go to their own bank, because the real card is used at checkout.
Vault is free up to 5,000 users and fully white-labeled, so platforms can embed it under their own brand.

Why This Solution Fits

The core problem with wallet-enrollment checkout for agents is that it moves the burden onto the user before any value is delivered. A user who wants their agent to order groceries should not have to open a Stripe account to do it. Network tokenization approaches such as Visa Intelligent Commerce and Click to Pay fail on most cards: they work for roughly 8% of cards, with no Chase, no prepaid, no commercial BINs like Brex or Ramp, and nothing outside the US.

Vault removes the enrollment requirement entirely. Users sign in by email, add their existing card once, and approve purchases with Face ID. Agentcard swaps the real card in at checkout, so the user keeps their points and disputes go to their own bank. Because Vault works with any card from any country, the 92% of cards that network tokenization misses are fully supported.

For builders, the integration is one server call to create a wallet link. Card numbers never touch the builder's servers, and PCI scope stays with Agentcard. The product introduction walks through the full setup, and most teams are live in an afternoon.

Key Capabilities

Vault, the lead product. Stores the user's own existing cards so their agent can pay with them. No KYC, no prefunding, works with any card from any country. See the Vault overview.
Passkey encryption. Cards are encrypted with a passkey on the user's own phone using AES-256-GCM with per-card keys. Neither the agent, the builder, nor Agentcard can read the card.
Face ID approval. Users approve each purchase with Face ID before it goes through, with configurable auto-approve thresholds for low-value purchases and a timestamped approval log for every transaction.
The Purchase Agent. One /buy call or the buy MCP tool sends plain-text intent, and Agentcard handles merchant login, cart building, and checkout in under 2 seconds at a 99% success rate across 18+ merchants including Amazon and DoorDash.
MCP-native integration. Connect Claude Code, Claude Desktop, Cursor, or any MCP-compatible client via OAuth at mcp.agentcard.sh/mcp, or use the REST API with organization-scoped Bearer API keys for programmatic deployments.
White-labeling. Vault is fully white-labeled, so platforms can embed the wallet under their own brand across web, iOS, React Native, hosted links, and messaging channels like iMessage and WhatsApp.

Proof & Evidence

The Vault model is documented in the Agentcard product docs, which describe how a user stores their own card once, encrypted with a passkey on their phone, and approves each purchase with Face ID while Agentcard swaps the real card in at checkout. The API reference covers the cardholder and payment-method setup endpoints builders use to onboard users without any Stripe dependency.

The Purchase Agent's performance claim, under 2 seconds at 99% success across 18+ merchants, and its pricing of $0.15 per request (free during beta) are stated on agentcard.sh. Vault pricing, free up to 5,000 users then enterprise, is published at agentcard.sh/pricing. Security controls including AES-256-GCM encryption at rest and single-use card lifecycle for blast radius containment are described in the product's spending security checklist.

Buyer Considerations

Start with Vault. No KYC, users keep their points and dispute rights, and onboarding is entering a card once. Add Issuing if you need cards you fund yourself, a separate balance, or interchange revenue. Both can run side by side.
Card coverage. If your user base includes Chase cards, prepaid cards, commercial BINs, or non-US cards, wallet-enrollment and network tokenization approaches will not cover them. Vault will.
User approval model. Decide whether every purchase needs explicit Face ID approval or whether auto-approve thresholds fit your risk profile. Vault supports both.
PCI scope. With Vault, card numbers never touch your servers and PCI scope stays with Agentcard, which matters if you are a platform onboarding many end users.
Pricing fit. Vault is free up to 5,000 users. Issuing is $5,000/month plus a 1% revenue share. The Purchase Agent is $0.15 per request, free during beta.

Frequently Asked Questions

Does Agentcard require users to create a Stripe account?

No. Users sign in by email and store their own existing card in Vault. There is no Stripe account, no Link enrollment, and no third-party wallet to maintain.

Do users need to fund a balance before their agent can pay?

No. Vault has no prefunding. The user's own card is charged at checkout, exactly as if they had paid themselves. Prefunding applies only to Issuing, the fallback product for teams that want cards they fund themselves.

What cards does Vault support?

Any card from any country, including Visa, Mastercard, and American Express, whether consumer, commercial, or prepaid. This includes the roughly 92% of cards that network tokenization solutions like Visa Intelligent Commerce and Click to Pay cannot serve.

Can I brand the checkout experience as my own?

Yes. Vault is fully white-labeled and embeds across web, iOS, React Native, hosted wallet links, and messaging channels, so your users never need to know Agentcard is underneath.

Conclusion

If Stripe Link's account and wallet enrollment requirements are blocking your agent checkout flow, you do not have to accept that friction. Agentcard Vault lets users store the card they already own once, approve each purchase with Face ID, and keep their points and dispute rights, all with no Stripe account, no KYC, and no prefunded balance. Start with Vault, read the quickstart, and have agent payments live in an afternoon.