CartelSHOPPING SYNDICATE · EST. 2026
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Know exactly what you approved.

Cartel lets AI shop for you, proves every rule against real evidence, and stops the payment if anything changes.

Example: contract v7 signed with every hard rule passing, then a checkout where the USB-C power fell to 15 W and payment paused.
Purchase Contract · v7sha256:7c1e…a94f

Home office · Plan A

1.1
Delivered total not exceeding $910.00.
1.2
Monitor 27 in, 4K, USB-C power ≥ 65 W.
1.3
Arrives by Mon Sep 28. No substitutions.
Pass · 12 of 12 hard rules
SIGNED v7
Delivered total$881.07
Fail · USB-C power now 15 WPay paused

Meet the Cartel

  • Scout

    Scout finds. Never holds the wallet.

  • Inspector

    Inspector checks every rule against evidence.

  • Notary

    Notary stamps only after your Touch ID.

  • Guard

    Guard stops the payment if anything changes.

Pencil, ink, stamp

How sure Cartel is shows in how each thing is drawn.

  • Pencil

    Something Cartel assumed or estimated. You confirm it before it counts.

    I assumedUSB-C power ≥ 65 WConfirm?
  • Ink

    A source states it. Every spec shows who says so, and when.

    Manufacturer says90 W
  • Stamp

    Committed. You signed this exact contract with your passkey.

    SIGNED v7

The trap

The merchant cut the price and quietly edited the specs on the same SKU. The price drop triggered the purchase. Cartel re-checked first.

When you signedSKU U2727

Vireo U2727 27" 4K USB-C

Price$329.00

USB-C powerPass90 W

At checkoutSKU U2727

Same SKU, same listing

Pricewas $329.00$319.00

USB-C powerFail · 15 W < 65 W15 W

✗ BLOCKED

Purchase paused. No payment was made.

Would have charged $881.07

The payment was valid. The purchase wasn't.

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You're using Cartel without an account. Add an email or Google to keep this session's plans and to sign and pay. Nothing you've done so far is lost.

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