--- title: "KTB Direct Debit" slug: "ktb-direct-debit" updated: 2025-09-08T08:07:12Z published: 2025-09-08T08:07:12Z canonical: "docs.xendit.co/ktb-direct-debit" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.xendit.co/llms.txt > Use this file to discover all available pages before exploring further. # KTB Direct Debit --- ## Features & Requirements | **Channel code** | `KTB_DIRECT_DEBIT` | | --- | --- | | **Currency** | THB | | **Minimum amount** | 20 | | **Maximum amount** | 700,000 | | **User approval flow** | REDIRECT | | **Save** | ✅ | | **Recurring** | ✅ | | **Display merchant name** | Xendit | | **Display user name** | ❌ | | **Set expiry** | ❌ | | **Settlement Time** | Instant | | **Refund** | ❌ | | **Partial refund** | ❌ | | **Multiple partial refund** | ❌ | | **Refund validity** | ❌ | | **User data required by Bank*** | - Mobile Number - Identity Number or Passport Number | | **Compatible integration** | Payment API, Payment Session, Subscription, Recurring | *Bank will validate the login credential to the mobile phone number & ID No. sent during Payment Request ## Account Linking flow End customer select the bank to link on checkout page and process authorization (Account Linking) ![](https://cdn.document360.io/217abc43-8677-41fb-a81d-fceeb1fa0358/Images/Documentation/Payment session - DD linking.jpg) ![Steps to link a bank account using Krungthai NEXT app for transactions.](https://cdn.document360.io/217abc43-8677-41fb-a81d-fceeb1fa0358/Images/Documentation/KTB DD.jpg)