How to Start Domain Reselling? (Domain Name API Quick Start Guide)

Managing domain operations manually is time-consuming and prone to errors.

With Domain Name API, you can automate domain registration, transfers, and DNS management from a single integration point. This guide covers everything from account setup to your first live domain registration.

1. What is Domain Name API?

Domain Name API is a domain management platform designed for resellers and developers who need to automate domain registration, transfer, and DNS operations. It provides programmatic access to 800+ TLDs through a single, standardized Domain API.

The platform offers two ways to interact with it:

2. What Can You Do with Domain Name API?

Once your account is active, you can perform the following operations through the panel or the Domain API:

3. How Does It Work?

Domain Name API operates across three layers:

Every Domain API request requires two credentials: your Reseller ID and your API Key. Both are available under Reseller Settings > Integration Details in your panel.

4. Test vs. Live Environment

Domain Name API provides two separate environments. Always develop and test in the test environment before switching to live.

Environment Comparison

5. Step-by-Step Setup

Complete the following steps after your reseller account has been activated:

1. Activate Your AccountSubmit your application at domainnameapi.com. Once approved, you will receive an activation email containing your username and password.
2. Log In to the Test EnvironmentGo to dm.test.domainnameapi.com and sign in with the same credentials. Use this environment to familiarize yourself with the platform and validate your Domain API integration — no real money is involved.
3. Complete Your Contact InformationFill in your technical contact details under My Account > Contact Information. This information is applied to all domain registration and transfer operations.
4. Set Your Default NameserversConfigure your default nameservers under Reseller Settings > Default Nameservers. For testing, you can use ns1.domainnameapi.com and ns2.domainnameapi.com.
5. Retrieve Your API Key and Reseller IDGo to Reseller Settings > Integration Details to view your Reseller ID and API Key. Both are required in every Domain API request.
6. Add a Deposit (Live Environment)To register domains in the live environment, you must add balance to your account. Go to My Account > Deposit to complete a payment.
7. Switch to the Live EnvironmentOnce testing is complete, log in to the live environment at dm.domainnameapi.com and begin processing customer orders.

6. How to Register a Domain

Domain registration through the Reseller Panel takes two steps:

Programmatic Registration via Domain API

Use the following code examples to register domains and check availability through the Domain API:

PHP — Domain API Registration

// Read Domain API credentials from environment variables
$apiKey     = getenv('DOMAINNAMEAPI_KEY');
$resellerId = getenv('DOMAINNAMEAPI_RESELLER_ID');

// Check domain availability
$check = $client->checkDomain([
    'resellerId' => $resellerId,
    'apiKey'     => $apiKey,
    'domain'     => 'example-domain.com'
]);

// Register the domain
$register = $client->registerDomain([
    'resellerId'  => $resellerId,
    'apiKey'      => $apiKey,
    'domain'      => 'example-domain.com',
    'period'      => 1,   // years
    'nameservers' => ['ns1.domainnameapi.com', 'ns2.domainnameapi.com'],
]);

cURL — REST Domain API Request

# Domain availability check via REST Domain API
curl -X POST https://api.domainnameapi.com/v1/domain/check \
  -H 'Content-Type: application/json' \
  -d '{
    "resellerId": "YOUR_RESELLER_ID",
    "apiKey":     "YOUR_API_KEY",
    "domain":     "example-domain.com"
  }'

7. Common Issues and Solutions

8. Frequently Asked Questions

Why choose Domain Name API?

Domain Name API is built for resellers and developers who need a reliable, scalable domain automation platform. Here is what sets it apart:

Learn more and apply: www.domainnameapi.com

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