Direct payment

Enter the amount.
Complete the charge.

Enter the agreed USD amount, review the required information, and continue directly to the selected secure hosted checkout.

Lock the payment amount

Authorized staff enter the exact tax-inclusive amount and lock it on the server before checkout.

USD

Staff collection key

Minimum $1.00 · maximum $1,000,000.00 · the key is verified with Argon2id, cleared after verification, and never stored by Cogitave.

Buyer details

Used for the order record, invoice, and service communication.

Buyer typeFirst nameLast nameE-mailPhoneTax or identity numberRequired by the payment and invoice flow. Never stored in the browser.

Billing details

Review and correct these fields before creating the payment session.

Billing addressCityPostal codeCountry

Choose the hosted payment provider

Card information is entered only on the provider’s secure payment page.

iyzicoHosted card checkoutAwaiting activationVakıfBank3D Secure hosted paymentSelected

iyzico uses hosted card checkout and VakıfBank uses 3D Secure hosted payment. Availability is verified against the payment API. Cogitave does not collect or retain card numbers, expiry dates, or security codes.

Required review

No option is selected in advance.

I confirm the agreed engineering-services total of $0.00, tax included.I have read and accept the Pre-information Form, Distance Sales Agreement, and Cancellation & Refund Policy.I expressly request performance to begin before the withdrawal period expires where the agreed service requires it.

To request support or cancel future renewals, contact hello@cogitave.com. Personal data is handled under the Privacy & KVKK Notice.