fidus Follow the build

Cards for your AI agents.

A virtual card for your AI agent, connected to your bank account. It holds no money and pays only within the limits you set.

claude.ai
Do my weekly shop on Rohlik. The usual list. Cart ready, 14 items for €45.68. Paying with your Fidus card. fidus.request_paymentapproved
Every payment checked
fidusVirtual card
Groceries•••• 4821
9:41
fidus
Groceries this week€45.68 of €120
Rohlik.czPaid automatically€45.68
BillaPaid automatically€12.40
Claude wants to pay €45.68 at Rohlik.cz, above your €40 limit DeclineApprove

From your bank to the first payment. In five steps.

9:41
Connect your bank Agent cards spend from this account.
{{ b.i }}{{ b.name }}{{ b.check }}
Access valid for 180 days. Cancel any time.Continue
 New agent card
fidus
Groceries•••• 4821
NameGroceries
Colour
Budget€120WeeklyMonthly
Continue to limits Limits
38%€74.32 leftof €120 this week
Auto-approve up to€40 Max per payment€80
Allowed shopsRohlik.czBillaNever buysAlcoholTobacco
 Connect an agent For card •••• 4821 only.
{{ a.i }}{{ a.short }}
token, shown oncefds_live_7Hq2••••9f2atoolsrequest_payment, get_limits, issue_single_use
Connect Claude Activity
{{ t.shop }}{{ t.status }}{{ t.amt }}
Claude wants to pay €92.40 at Rohlik.cz, above your €40 limit. Includes €1.37 fee. DeclineApprove

One card for every job. Your agent does the rest.

fidus
{{ u.name }}•••• {{ u.num }}
{{ u.agentI }} {{ u.task }}{{ u.result }}
{{ u.title }} {{ u.d1 }}{{ u.hl }}{{ u.d2 }}

Checked before anything is paid.

Claude wants to pay at{{ rc.shop }} {{ amtLabel }}
Automatic up to {{ rc.autoLabel }}Face ID up to {{ rc.maxLabel }}Declined
{{ res.title }} {{ res.desc }}

A bridge, not a wallet. Fidus holds no money.

{{ p.e }} {{ p.title }}{{ p.meta }}
Holds no money Virtual card, linked to your account Limits on every purchase

Works with the agents you already use.

Connected over MCP, with a token for one card only.

{{ o.i }}{{ o.name }}
1.5%

per agent payment. Minimum €0.20, maximum €5. The app is free.

Rohlik.czGroceries 4821, paid by Claude
Shop price€45.00
Fidus fee, 1.5%€0.68
From your bank€45.68
iShown before every approval
Filip, founder of Fidus

Hi, I’m Filip. I’m building Fidus.

Agents can already fill your cart. Fidus is how you let them pay, without worrying they’ll spend too much.

Investor? Request the business plan
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Questions

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