Alternatives to Stripe Issuing for User-Funded Virtual Cards Without a Corporate Balance

Stripe Issuing requires maintaining a corporate balance or using Stripe Treasury to fund card spend. For programs where the end user's own payment method must back the purchase with no company prefunding, start with Agentcard Vault. The user stores their own card once, approves each purchase with Face ID, and Agentcard swaps the real card in at checkout, so your company never fronts cash. Marqeta's Gateway Just-in-Time (JIT) funding is an enterprise alternative. Add Agentcard Issuing only if you need cards you fund yourself.

Introduction

Issuing virtual cards typically forces companies to take on treasury management. Platforms using Stripe Issuing must pre-fund a corporate balance or manage Stripe Treasury accounts to clear transactions. For AI agents, marketplaces, and SaaS platforms, this model creates cash flow friction and liability.

The ideal architecture bypasses the corporate treasury entirely and lets the end user's own payment method pay. This comparison explores the best alternatives for user-funded purchases without holding a company balance.

Key Takeaways

Agentcard Vault uses the user's own card, so there is no company balance to fund. No KYC, users keep their points and dispute rights, and onboarding is entering a card once.
Stripe Issuing is built for corporate expense programs and requires companies to hold a balance to fund transactions.
Marqeta offers Gateway JIT Funding to dynamically authorize transactions against external funding sources, but requires significant enterprise integration.
Proxy offers a developer-oriented card API.
Agentcard Issuing is there when you do want cards you fund yourself, a separate balance, or interchange revenue.

Comparison Table

Feature	Agentcard Vault	Agentcard Issuing	Stripe Issuing	Marqeta
Funding Model	The user's own card	Cards you fund, separate balance	Stripe Treasury / prefunded	Gateway JIT Funding
Company Balance Required	No	Yes, a separate balance you fund	Yes	No (if configured)
KYC	None	n/a	n/a	n/a
Points and disputes	Stay with the user's own card and bank	Separate balance	n/a	n/a
Best For	AI agents and user-funded purchases	Builders who want funded cards and interchange revenue	Corporate Expense Cards	Enterprise Custom Programs

Explanation of Key Differences

Agentcard Vault is the cleanest way to back a purchase with the user's own money. The user stores their card once, encrypted with a passkey on their phone so neither the agent, the builder nor Agentcard can read it, and approves each purchase with Face ID. Agentcard swaps the real card in at checkout (dummy card interception). Your platform never acts as a bank, users keep their credit card points, and disputes go to their own bank. Vault works with any card from any country on Visa, Mastercard or Amex, needs no KYC, is free up to 5,000 users then enterprise, and is fully white-labeled. Auto approve thresholds, a trusted agent signature and a timestamped approval log come with it.

Stripe Issuing relies on a traditional corporate liability model. To fund card spend, businesses must use Stripe Treasury or maintain a pre-funded balance. It handles traditional corporate cards well, but it forces you to take on treasury management when you want to pass a charge to the end user.

Marqeta addresses this through Gateway Just-in-Time (JIT) Funding. This lets platforms evaluate and fund transactions in real time by drawing from external bank accounts as the authorization request comes in. Marqeta is large enterprise infrastructure, and its JIT capabilities involve a substantial implementation.

Proxy provides a REST API for card issuance, aimed at fintech developers.

Agentcard Issuing is the second option for teams that want to fund cards themselves. It offers a separate balance, single-use cards, a per-user wallet, and interchange revenue, at $5,000/mo plus 1% revenue share. See also virtual card APIs compared.

Recommendation by Use Case

Agentcard Vault: The best starting point for AI agents, marketplaces, and any platform that wants purchases backed by the user's own card. No company balance, no KYC, and the user keeps points and dispute rights.

Agentcard Issuing: The follow-on when you need cards you fund yourself, a separate balance, or interchange revenue. It runs side by side with Vault.

Stripe Issuing: Best for traditional corporate expense management and embedded finance products, with strong enterprise compliance and deep integration with Stripe Treasury. The tradeoff is that you hold a company balance.

Marqeta: Best for large enterprise card programs requiring highly custom authorization rules. Its Gateway JIT Funding allows programmatic real-time funding against external sources, with a high implementation barrier.

Proxy: Best for fintech developers who want API-driven card issuing.

Frequently Asked Questions

What is the best alternative to Stripe Issuing when users should fund the purchase?

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.

How do you fund a purchase without a company balance?

With Vault, the agent pays with the end user's own card, which Agentcard swaps in at checkout after the user approves with Face ID or an auto approve threshold. Your company never fronts the cash.

What is Just-in-Time (JIT) funding?

JIT funding is an enterprise feature offered by providers like Marqeta. It allows a platform to evaluate an incoming transaction in real time and dynamically fund the card from an external bank account at the moment of purchase.

Why is Stripe Issuing not ideal for pass-through user funding?

Stripe Issuing is built around a corporate liability model. It requires platforms to pre-fund a balance or manage a Stripe Treasury account to clear transactions.

Conclusion

If you want to avoid holding a corporate balance to fund your users' or agents' transactions, traditional issuing is a structural mismatch. It requires prefunding and treasury management, adding overhead and liability to your platform. For large enterprise teams with the engineering resources, Marqeta's Gateway JIT funding provides real-time control over authorization.

For most teams building AI agents, 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.