> For the complete documentation index, see [llms.txt](https://tech.x2bee.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tech.x2bee.com/api-guide/api-guides-en/back-office/payment-bo/interest-free-installment-guide-management.md).

# Interest-Free Installment Guide Management

You can effectively manage the list of interest-free installment guides.

***

## Key Features

* **Interest-Free Installment Guide Management Lookup**
  * Uses the Interest-Free Installment Guide Management Lookup API to look up the list of interest-free installment guides.
* **Interest-Free Installment Information Registration/Modification**
  * Calls the Interest-Free Installment Information Registration/Modification API when registering or modifying interest-free installment information.
  * Calls the Duplicate Acquirer Check Within Application Period API to verify duplication.
* **Interest-Free Installment Information Deletion**
  * When deleting interest-free installment information, calls the Interest-Free Installment Information API to delete the corresponding information.
* **Interest-Free Installment Guide Detail Lookup**
  * When looking up interest-free installment guide details, calls the Interest-Free Installment Guide Detail Lookup API.

## Process Definition

<figure><img src="https://2999922013-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXTxKSWMmuxEkop1pvuwe%2Fuploads%2FPDxwQDVLvhh5BpIs9GiS%2F%E1%84%86%E1%85%AE%E1%84%8B%E1%85%B5%E1%84%8C%E1%85%A1.png?alt=media&#x26;token=69f0a6f5-751a-49d5-81e9-b1a0509518b8" alt=""><figcaption></figcaption></figure>

{% stepper %}
{% step %}

### Interest-Free Installment Guide Management Lookup

Looks up the list of interest-free installment guide management entries matching the conditions.
{% endstep %}

{% step %}

### Interest-Free Installment Guide Detail Lookup

Looks up the interest-free installment detail information matching the serial number.
{% endstep %}

{% step %}

### Duplicate Acquirer Check Within Application Period

When registering an interest-free installment guide, checks for duplicate acquirers within the display period.
{% endstep %}

{% step %}

### Interest-Free Installment Information Registration/Modification

Registers/modifies interest-free installment information using the registration/modification classification code.
{% endstep %}

{% step %}

### Interest-Free Installment Information Deletion

Deletes the interest-free installment information matching the serial number.
{% endstep %}
{% endstepper %}

## API Function List

<table><thead><tr><th width="127.888916015625">API</th><th width="263.888916015625">Description</th><th width="93.5555419921875">Server</th><th width="91">Method</th><th>Notes</th></tr></thead><tbody><tr><td>Interest-Free Installment<br>Information Registration/<br>Modification</td><td>Registers/modifies interest-free installments using the registration/modification classification code.</td><td>BO</td><td>POST</td><td><a href="https://apibo.x2bee.com/content?bo=payment&#x26;depth=%EB%AC%B4%EC%9D%B4%EC%9E%90%ED%95%A0%EB%B6%80%20%EC%95%88%EB%82%B4%20%EA%B4%80%EB%A6%AC&#x26;path=saveNoInterestInstallmentGuide">🔗View API ></a></td></tr><tr><td>Interest-Free Installment<br>Information Deletion</td><td>Deletes interest-free installment information using the serial number.</td><td>BO</td><td>POST</td><td><a href="https://apibo.x2bee.com/content?bo=payment&#x26;depth=%EB%AC%B4%EC%9D%B4%EC%9E%90%ED%95%A0%EB%B6%80%20%EC%95%88%EB%82%B4%20%EA%B4%80%EB%A6%AC&#x26;path=saveNoInterestInstallmentGuide">🔗View API ></a></td></tr><tr><td>Interest-Free Installment<br>Guide Detail<br>Lookup</td><td>Looks up interest-free installment detail information using the serial number.</td><td>BO</td><td>GET</td><td><a href="https://apibo.x2bee.com/content?bo=payment&#x26;depth=%EB%AC%B4%EC%9D%B4%EC%9E%90%ED%95%A0%EB%B6%80%20%EC%95%88%EB%82%B4%20%EA%B4%80%EB%A6%AC&#x26;path=getInterestFreeInstallmentInfoUpdate">🔗View API ></a></td></tr><tr><td><p>Interest-Free Installment<br>Guide Management</p><p>Lookup</p></td><td>Looks up the list of interest-free installment guide management entries.</td><td>BO</td><td>GET</td><td><a href="https://apibo.x2bee.com/content?bo=payment&#x26;depth=%EB%AC%B4%EC%9D%B4%EC%9E%90%ED%95%A0%EB%B6%80%20%EC%95%88%EB%82%B4%20%EA%B4%80%EB%A6%AC&#x26;path=getInterestFreeInstallmentInfoList">🔗View API ></a></td></tr><tr><td>Duplicate Acquirer Check Within Application Period</td><td>When registering interest-free installment information, checks for duplicate acquirers within the display period.</td><td>BO</td><td>GET</td><td><a href="https://apibo.x2bee.com/content?bo=payment&#x26;depth=%EB%AC%B4%EC%9D%B4%EC%9E%90%ED%95%A0%EB%B6%80%20%EC%95%88%EB%82%B4%20%EA%B4%80%EB%A6%AC&#x26;path=getClaimDiscountAcqrCheck">🔗View API ></a></td></tr></tbody></table>