Title: Change the Primary Domain for a Reseller Linux Hosting Order Using the API  
PrimaryCategory: Servers  
Type: Procedural  
Tags: api, reseller_linux_hosting, change_primary_domain, order_management  
Source UI Terms: auth-userid, api-key, order-id, new-domain-name  
Source Reference: Change the Primary Domain for a Reseller Linux Hosting Order Using the API  

Prerequisites:  
- Have an active Reseller Linux Hosting order.  
- Obtain your API credentials (auth-userid and api-key).  
- Know the order ID of the hosting order to modify.  
- Have the new domain name ready.  

Steps:  
1) Construct a POST API request to the endpoint for changing the domain name:  
   - US Server example:  
     `https://test.httpapi.com/api/resellerhosting/linux/us/change-domain-name.json`  
   - India Server example:  
     `https://test.httpapi.com/api/resellerhosting/linux/in/change-domain-name.json`  
2) Include the following required parameters in the request query string or POST body:  
   - `auth-userid`: Your integer user ID for authentication.  
   - `api-key`: Your API key as a string for authentication.  
   - `order-id`: The integer ID of the reseller hosting order to modify.  
   - `new-domain-name`: The new primary domain name as a string.  
3) Send the POST request to the appropriate server endpoint.  
4) Receive the response containing a map of execution details that confirm the primary domain change.  

Warnings:  
- Ensure the `order-id` and new domain name are valid and correctly formatted.  
- Use the correct server URL based on your server region (US or India).  
- API credentials must be kept secure.  

Summary:  
You can update the primary domain name of a Reseller Linux Hosting order by sending a POST request with your API credentials, order ID, and new domain name to the specified API endpoint. The response will confirm the update.  

Evaluation Pairs:  
Q: What parameters are required to change the primary domain via the API?  
A: You must provide `auth-userid`, `api-key`, `order-id`, and `new-domain-name` as required parameters.  

Q: Which HTTP method is used to change the primary domain for a Reseller Linux Hosting order?  
A: The HTTP method used is POST.  

Q: How do I specify the server region when making the API request?  
A: Use the US server URL if in the US region or the India server URL if in India, adjusting the endpoint accordingly (`/us/` or `/in/`).

<p>When you want to change the primary domain for an existing Reseller Linux Hosting order using the API. This article explains the required parameters and API request details for updating the primary domain name.</p>
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<h2>Description</h2>
<p>Changes the primary domain name for an existing Reseller Linux Hosting Order.</p>
<h2>Parameters</h2>
<table class="codetable"><tbody><tr><th colspan="1" rowspan="1">Name</th><th colspan="1" rowspan="1">Data Type</th><th colspan="1" rowspan="1">Required / Optional</th></tr><tr><td colspan="1" rowspan="1">auth-userid</td><td colspan="1" rowspan="1">Integer</td><td colspan="1" rowspan="1">Required</td><td colspan="1" rowspan="1">Authentication Parameter</td></tr><tr><td colspan="1" rowspan="1">api-key</td><td colspan="1" rowspan="1">String</td><td colspan="1" rowspan="1">Required</td><td colspan="1" rowspan="1">Authentication Parameter</td></tr><tr><td colspan="1" rowspan="1">order-id</td><td colspan="1" rowspan="1">Integer</td><td colspan="1" rowspan="1">Required</td><td colspan="1" rowspan="1">The Order ID which is to be modified.</td></tr><tr><td colspan="1" rowspan="1">new-domain-name</td><td colspan="1" rowspan="1">String</td><td colspan="1" rowspan="1">Required</td><td colspan="1" rowspan="1">The new primary domain name.</td></tr></tbody></table>
<h2>HTTP Method</h2>
<p>POST</p>
<h2>Example Test URL Request</h2>
<p><strong>US Server</strong> <code> https://test.httpapi.com/api/resellerhosting/linux/us/change-domain-name.json?auth-userid=0&amp;api-key=key&amp;order-id=0&amp;new-domain-name=domain.com </code> <strong>India Server</strong> <code> https://test.httpapi.com/api/resellerhosting/linux/in/change-domain-name.json?auth-userid=0&amp;api-key=key&amp;order-id=0&amp;new-domain-name=domain.com </code></p>
<h2>Response</h2>
<p>Returns a map of the execution details of the change primary domain operation.</p>
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When you want to change the primary domain for an existing Reseller Linux Hosting order using the API. This article explains the required parameters and API request details for updating the primary domain name.

Name	Data Type	Required / Optional
auth-userid	Integer	Required	Authentication Parameter
api-key	String	Required	Authentication Parameter
order-id	Integer	Required	The Order ID which is to be modified.
new-domain-name	String	Required	The new primary domain name.