Nuvei PPP Checksum Calculator

Test
Account Info Required for all modes
Mode Optional
User Token Optional for Deposit
Item Details Required
Total Amount (auto-calculated) 0.00
Basic Parameters Optional
Suggested Amounts Pre-defined amount buttons on Payment Page (requires open amount) ▼
Customer Details email + country mandatory; phone required for 3DS if no email ▼
Navigation & URL Parameters success_url, error_url, pending_url, notify_url (DMN), back_url ▼
Shipping Details Required when physical goods shipping is involved ▼
3DS / SCA Parameters Optional but highly recommended — more params = higher frictionless rate ▼
Merchant Custom Fields customField1–15, descriptor name/phone, customSiteName ▼
customField1 – customField15 (Char 64 each)
Credit Card Regulation Annual deposit limits — contact Nuvei Integration before using ▼
Timestamp & Checksum
Additional Free-Form Parameters Any key=value pairs not covered above (included in checksum if added) ▼
Withdrawal Mandatory Parameters Required
Amount Settings Optional
Optional Parameters locale, country, customSiteName, layout, URLs, etc. ▼
Redirect URLs successUrl, failUrl, backUrl ▼
Custom Fields (customField1–15) Custom data fields for the withdrawal request ▼
Timestamp ⚠ Format: YYYYMMDDHHMMSS (no separators) — different from Deposit!
Checksum note: For Withdrawal redirect, the secret key is placed at the FRONT of the concatenated string (not at the end like Deposit). The tool handles this automatically.
Additional Free-Form Parameters Any extra key=value pairs included in the request ▼