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AI Transaction Authorization

Approve the transaction. Never the agent.

Immediately before an AI-initiated payment is sent, GaelOne™ rechecks the approved amount, destination account, and reference. If any checked detail has changed, GaelOne™ stops the payment before your payment system is called.

  • Your AI proposes the payment.
  • GaelOne™ checks the authorized payment details immediately before execution.
  • Your existing payment system executes only after GaelOne™ returns ALLOW.

Plate 01 The authorization moment

Illustrative · the live proof runs these values

Z-01 · Origin

AI agent

Z-02 · Checkpoint

GaelOne™

Z-03 · Execution

Payment system

Proposed by AI agent

$2,500.00

Acme Supply Co.

Account •••• 8472

Invoice #48219

Nothing is sent until GaelOne™ answers.

A person approved $2,500.00 to Acme Supply Co. at account ••••8472. The AI then sent the same invoice, for the same amount, to account ••••2291 instead. GaelOne™ compares the two immediately before the payment system is called, and refuses: an approval covers the payment it was given for, and this is a different one.
01The defining proof

One approved payment

One account number changed. The payment stopped.

A person approved this payment. The AI then sent it to a different account. The amount never changed, so an amount-only limit would not have caught it.

The destination changed after approval

Approved by a person

Destination account

•••• 8472

Identical on both sides

  • $2,500.00
  • Acme Supply Co.
  • Invoice #48219

AI attempted

Destination account

•••• 2291

Identical on both sides

  • $2,500.00
  • Acme Supply Co.
  • Invoice #48219

Approval covered account •••• 8472. It did not cover account •••• 2291.

GaelOne™ decision

STOP

The destination account is not the account that was approved.

Payment callNot made

$0

Money moved

Your AI cannot use one approval to send a different payment.

This case is presentation. Watch it run for real.

02Where GaelOne™ sits

Your existing systems keep doing their jobs.

GaelOne™ adds one authorization checkpoint immediately before the payment request leaves your workflow. It does not replace your AI or your payment system.

Your AI

proposes what it wants to pay.

Your ERP

runs your existing business workflow.

Your payment provider

executes the payment on its rail.

GaelOne™

checks whether the authorized payment details still match, immediately before execution.

01 · AI agent

02 · GaelOne™

03 · Payment system

Keep your AI.

Put GaelOne™ between them.

Keep your payment system.

Unchanged.

One check, immediately before execution. ALLOW, ASK or STOP.

Unchanged. Asked only after ALLOW.

Your AI decides. GaelOne™ checks. Your payment system executes. GaelOne™ never moves the money and holds no funds.

03Three answers

Every payment GaelOne™ checks gets one answer.

GaelOne™ does not decide what should happen. It decides whether what is about to happen is authorized.

Plate 02 Decision postures

One transaction · three answers

Specimen transaction

Amountchecked
$2,500.00
Destination accountchecked
•••• 8472
Referencechecked
Invoice #48219
Proposed by
AI agent

GaelOne™ compares the three fields marked checked against what a person approved. The proposer is recorded on the transaction, not compared — an approval is given to a payment, never to the software that proposed it.

AALLOW

AuthorizationA person approved this exact payment, and nothing has changed since.

Payment call
Made
Money moved
$2,500.00

BASK

AuthorizationThis payment needs a person. Nothing executes until the required approval is given.

Payment call
Held
Money moved
$0

CSTOP

AuthorizationThe approval on file covers a different payment, so it does not cover this one.

Payment call
Not made
Money moved
$0
The $2,500.00 above is identical in all three plates. Only the state of its approval differs — and that alone decides whether the payment system is ever asked.
04The product law

Approval is for one payment.

An approval applies to the payment details that were authorized. If a checked detail changes before execution, the prior approval no longer applies.

Amount changed?

STOP

Destination account changed?

STOP

Reference changed?

STOP

The size of the change does not matter. A one-cent difference and a tenfold difference both produce a different checked payment.

05Where to start

Start with one AI payment workflow.

Start with one AI workflow, one payment system and one authorization checkpoint. Prove the integration before expanding anything.

  • Keep your AI.
  • Keep your payment system.
  • Add GaelOne™ immediately before the payment request.
Evaluate GaelOne™ on your workflow

Show us one AI-initiated payment workflow. We’ll determine where GaelOne™ would sit and what a pilot would require.

06The invariant
  1. No valid authorization
  2. No payment call
  3. Nothing moves

AI can decide. GaelOne™ decides if the money moves.

GAELONE™

AI Transaction Authorization

Approve the transaction. Never the agent.

GaelOne™ checks the authorized payment details immediately before execution. Your existing payment system moves the money only after GaelOne™ allows it.

Nothing on this site is an offer, a contract, or financial or legal advice. The amounts and accounts shown are illustrative. GaelOne™ holds no third-party certification, attestation, or audit.

© 2026 GaelOne™. GaelOne™ and related marks are proprietary. All rights reserved.

No live payment rail is connected. Every payment system shown on this site is simulated, and no money moves.