> ## Documentation Index
> Fetch the complete documentation index at: https://codking.tech/documentation/llms.txt
> Use this file to discover all available pages before exploring further.

# Frequently Asked Questions

> Find answers to common questions about COD King, COD workflows, payments, customer verification, messaging, Local SMS Gateways, and support.

Find quick answers to common questions about **COD King**, its features, configuration, messaging integrations, and Cash on Delivery workflows.

If you are looking for general information about COD King, pricing, plans, or product capabilities, you can also visit the [official COD King FAQ](https://codking.tech/faq).

<CardGroup cols={3}>
  <Card title="Getting Started" icon="rocket" href="#general">
    Learn about COD King, Shopify setup, and getting started.
  </Card>

  <Card title="COD & Payments" icon="money-bill-transfer" href="#cod-and-payments">
    Find answers about COD fees, partial payments, prepaid discounts, and COD conversion.
  </Card>

  <Card title="Messaging" icon="message-sms" href="#sms-and-whatsapp">
    Learn about SMS, WhatsApp, OTP, and messaging configuration.
  </Card>

  <Card title="Local SMS Gateway" icon="tower-broadcast" href="#local-sms-gateway">
    Find answers about Local SMS Operators and provider configuration.
  </Card>

  <Card title="Troubleshooting" icon="wrench" href="/documentation/guides/troubleshooting">
    Find solutions to common COD King configuration issues.
  </Card>

  <Card title="Contact Support" icon="headset" href="https://codking.tech/contact">
    Contact the COD King support team if you need additional assistance.
  </Card>
</CardGroup>

## General

<AccordionGroup>
  <Accordion title="What is COD King?">
    COD King is a Shopify app designed to help merchants manage and optimize their Cash on Delivery workflows.

    It provides tools for COD verification, COD fees, partial payments, prepaid conversion, customer engagement, messaging, and other COD-related workflows.

    For more information about COD King's features, visit the [official COD King FAQ](https://codking.tech/faq).
  </Accordion>

  <Accordion title="Is COD King compatible with Shopify?">
    Yes. COD King is designed for Shopify stores and can be configured directly from your Shopify admin.
  </Accordion>

  <Accordion title="Where can I configure COD King?">
    After installing COD King, open the app from your Shopify admin and configure the required features from the COD King dashboard.

    Each feature has its own documentation guide with step-by-step instructions.
  </Accordion>

  <Accordion title="Where can I find all COD King documentation?">
    Start from the [COD King Introduction](/) to browse the available feature guides, Local SMS Gateway integrations, troubleshooting resources, and support documentation.
  </Accordion>

  <Accordion title="Do I need coding knowledge to use COD King?">
    No. Normal COD King configuration can be completed from the app without requiring coding knowledge.

    Follow the relevant documentation guide for the feature you want to configure.
  </Accordion>
</AccordionGroup>

## COD and Payments

<AccordionGroup>
  <Accordion title="What is Cash on Delivery?">
    Cash on Delivery allows customers to place an order and pay when the order is delivered.

    COD King provides tools that help merchants configure and manage their COD workflow.
  </Accordion>

  <Accordion title="Can I charge an additional fee for COD orders?">
    Yes. COD King provides a COD Fees feature that allows merchants to configure additional charges for Cash on Delivery orders.

    See [Setting COD Fees in Shopify](/setting-cod-fees-in-shopify) for detailed instructions.
  </Accordion>

  <Accordion title="What is Partial Payment?">
    Partial Payment allows customers to pay a portion of an order online while the remaining amount follows the configured COD workflow.

    See [Setting Up Partial Payment](/partial-payment/overview) for configuration instructions.
  </Accordion>

  <Accordion title="Why is Partial Payment not appearing?">
    Check the following:

    * Confirm that Partial Payment is enabled.
    * Verify the configured amount or percentage.
    * Check that the order meets the configured conditions.
    * Verify that the required payment method is available.
    * Save the configuration and test again.

    If the issue continues, see [Troubleshooting](/guides/troubleshooting).
  </Accordion>

  <Accordion title="What is Prepaid Discount?">
    Prepaid Discount allows merchants to offer customers an incentive to choose prepaid payment instead of Cash on Delivery.

    See [Setting Up Prepaid Discount](/setting-prepaid-discount-in-shopify) for configuration instructions.
  </Accordion>

  <Accordion title="Why is my prepaid discount not appearing?">
    Check that:

    * Prepaid Discount is enabled.
    * The discount amount or percentage is configured correctly.
    * The customer is using the supported prepaid payment method.
    * The order meets the configured conditions.
    * Your latest configuration has been saved.
  </Accordion>

  <Accordion title="What is COD to Prepaid Conversion?">
    COD to Prepaid Conversion helps encourage customers with COD orders to switch to prepaid payment.

    This can help merchants increase prepaid orders and reduce COD-related risk.

    See [Setting Up COD to Prepaid Conversion](/setting-cod-to-prepaid-conversion-in-shopify).
  </Accordion>

  <Accordion title="Why is COD to Prepaid Conversion not appearing?">
    Check that:

    * COD to Prepaid Conversion is enabled.
    * The order meets the configured conditions.
    * The prepaid payment method is available.
    * Any configured discount settings are correct.
    * The latest configuration has been saved.
  </Accordion>
</AccordionGroup>

## OTP and Customer Verification

<AccordionGroup>
  <Accordion title="Why should I use OTP verification for COD orders?">
    OTP verification helps confirm that the customer has access to the phone number provided with the order.

    This can help merchants reduce fake or unwanted COD orders.
  </Accordion>

  <Accordion title="How do I enable OTP verification?">
    Open COD King and configure the OTP verification feature.

    For detailed instructions, see [Setting Up OTP Verification on Shopify](/setting-otp-verification-on-shopify).
  </Accordion>

  <Accordion title="What should I check if customers are not receiving OTPs?">
    Check the following:

    * Confirm that OTP verification is enabled.
    * Verify the customer's phone number.
    * Make sure the phone number is in a valid format.
    * Check your configured messaging provider.
    * Verify that your provider credentials are correct.
    * Check your provider account balance or available credits.
    * Make sure your latest configuration changes have been saved.
  </Accordion>

  <Accordion title="Can OTP be sent through SMS or WhatsApp?">
    The available OTP delivery method depends on your configured messaging setup.

    For SMS and WhatsApp configuration, see [Setting Up SMS and WhatsApp on Shopify](/setting-sms-and-whatsapp-in-shopify).
  </Accordion>
</AccordionGroup>

## SMS and WhatsApp

<AccordionGroup>
  <Accordion title="Can COD King send SMS and WhatsApp notifications?">
    Yes. COD King supports customer engagement through supported SMS and WhatsApp configurations.

    See [Setting Up SMS and WhatsApp on Shopify](/setting-sms-and-whatsapp-in-shopify) for setup instructions.
  </Accordion>

  <Accordion title="Why are my SMS messages not being delivered?">
    Check the following:

    * Confirm that messaging is enabled.
    * Verify the selected provider.
    * Check that the provider credentials are correct.
    * Verify the Sender ID, Sender Name, or Masking where required.
    * Check your provider account balance or available credits.
    * Make sure the recipient phone number is valid.
    * Include the correct country code where required.

    If you are using a Local SMS Gateway, follow the setup guide for your provider.
  </Accordion>

  <Accordion title="Can I use a local SMS provider?">
    Yes. COD King supports Local SMS Operators for supported regions.

    Each provider has its own setup requirements and credentials.
  </Accordion>

  <Accordion title="Why is my Sender ID not working?">
    Some SMS providers require a Sender ID or Sender Name to be registered and approved before it can be used.

    Make sure the Sender ID entered in COD King exactly matches the approved sender information provided by your SMS operator.

    Some providers may also apply country-specific restrictions.
  </Accordion>
</AccordionGroup>

## Local SMS Gateway

COD King supports multiple Local SMS Operators for regional SMS delivery.

<AccordionGroup>
  <Accordion title="What is a Local SMS Gateway?">
    A Local SMS Gateway allows COD King to connect with a supported regional SMS provider for sending SMS notifications.

    This can be useful when merchants want to use an SMS provider that operates in their target country or region.
  </Accordion>

  <Accordion title="How do I configure a Local SMS Gateway?">
    Open:

    **COD King → Settings → Local SMS gateway**

    Select your provider from the **Network Provider** dropdown.

    Enter the credentials required by the provider and save the configuration.

    The required fields vary between providers.
  </Accordion>

  <Accordion title="What credentials are required for a Local SMS Gateway?">
    The required fields depend on the SMS provider.

    They may include:

    * API Key
    * API Secret
    * API Token
    * Username
    * Password
    * Sender ID
    * Sender Name
    * Masking

    Always follow the provider-specific documentation for the exact configuration.
  </Accordion>

  <Accordion title="Why is my Local SMS Gateway test failing?">
    Check the following:

    1. Make sure the operator credentials are saved.
    2. Verify all credentials entered in COD King.
    3. Confirm that the Sender ID, Sender Name, or Masking is approved.
    4. Use a valid recipient phone number.
    5. Include the country code where required.
    6. Check your provider account balance or SMS credit.
    7. Confirm that the provider account is active.

    For additional help, see [Troubleshooting](/guides/troubleshooting).
  </Accordion>

  <Accordion title="Can I change my SMS provider later?">
    Yes. You can configure another supported provider from the **Local SMS gateway** section.

    Make sure the new provider credentials and Sender ID are configured and tested before using the provider for customer notifications.
  </Accordion>
</AccordionGroup>

## Supported Local SMS Providers

<CardGroup cols={3}>
  <Card title="Twilio" icon="message-sms" href="/documentation/local-sms-gateway/connect-twilio-account-to-shopify">
    Configure Twilio for SMS delivery.
  </Card>

  <Card title="Wavecell" icon="message-sms" href="/documentation/local-sms-gateway/connect-wavecell">
    Configure Wavecell through 8x8 Connect.
  </Card>

  <Card title="Movider" icon="message-sms" href="/documentation/local-sms-gateway/connect-movider">
    Configure Movider for SMS delivery.
  </Card>

  <Card title="VeevoTech" icon="message-sms" href="/documentation/local-sms-gateway/connect-veevotech">
    Configure VeevoTech SMS integration.
  </Card>

  <Card title="eSMS" icon="message-sms" href="/documentation/local-sms-gateway/connect-esms">
    Configure eSMS for SMS delivery.
  </Card>

  <Card title="BoomCast" icon="message-sms" href="/documentation/local-sms-gateway/connect-boomcast">
    Configure BoomCast SMS integration.
  </Card>

  <Card title="ThaiBulkSMS" icon="message-sms" href="/documentation/local-sms-gateway/connect-thaibulksms">
    Configure ThaiBulkSMS for SMS delivery.
  </Card>
</CardGroup>

> **More providers:** New Local SMS Gateway providers will be added to the documentation as integrations become available.

## Troubleshooting

<AccordionGroup>
  <Accordion title="What should I do if a COD King feature is not working?">
    Start by checking:

    * Whether the feature is enabled.
    * Whether the configuration is correct.
    * Whether your changes were saved.
    * Whether the order meets the configured conditions.
    * Whether any connected third-party service is working correctly.

    Then review the relevant feature documentation.

    For additional help, see [Troubleshooting](/guides/troubleshooting).
  </Accordion>

  <Accordion title="I changed a setting but the change is not visible. What should I do?">
    Make sure the configuration was saved successfully.

    Then:

    1. Refresh the COD King page.
    2. Reopen the relevant feature.
    3. Confirm that the new configuration is still saved.
    4. Test the feature again.

    If the issue continues, see [Troubleshooting](/guides/troubleshooting).
  </Accordion>

  <Accordion title="What information should I provide when contacting support?">
    To help the support team investigate the issue quickly, provide:

    * Your Shopify store URL.
    * The COD King feature involved.
    * A clear description of the issue.
    * The steps you took before the issue occurred.
    * Any relevant error message.
    * The SMS or WhatsApp provider, if applicable.
    * Whether the issue affects all orders or only specific orders.

    > **Security:** Never send API keys, API secrets, passwords, authentication tokens, or other private credentials in a support request.
  </Accordion>
</AccordionGroup>

## Plans and Billing

<AccordionGroup>
  <Accordion title="Where can I find COD King pricing and plan information?">
    For current pricing, plans, billing information, and general product questions, visit the [official COD King FAQ](https://codking.tech/faq).
  </Accordion>

  <Accordion title="Are SMS provider charges included with COD King?">
    Messaging charges depend on the SMS or WhatsApp provider you configure.

    If you connect your own Local SMS Operator, the provider may charge you directly according to its pricing and account terms.

    Your COD King subscription and third-party messaging charges are separate.
  </Accordion>
</AccordionGroup>

## Support

<AccordionGroup>
  <Accordion title="How can I contact COD King support?">
    Visit the [COD King Contact page](https://codking.tech/contact) to contact the support team.

    The Contact page provides available support options including WhatsApp, live chat, email, and the support form.
  </Accordion>

  <Accordion title="Where can I find the official COD King FAQ?">
    Visit the [official COD King FAQ](https://codking.tech/faq) for broader questions about COD King, its features, pricing, billing, messaging, and Cash on Delivery workflows.
  </Accordion>

  <Accordion title="Where can I find the latest COD King updates?">
    Visit the [COD King Changelog](/support/changelog) for product updates, improvements, and release notes.
  </Accordion>
</AccordionGroup>

## Helpful Resources

<CardGroup cols={3}>
  <Card title="Documentation Home" icon="book-open" href="/documentation">
    Browse all COD King guides and configuration documentation.
  </Card>

  <Card title="Troubleshooting" icon="wrench" href="/documentation/guides/troubleshooting">
    Find solutions to common configuration and integration issues.
  </Card>

  <Card title="COD King FAQ" icon="circle-question" href="https://codking.tech/faq">
    Visit the official FAQ for general product and billing questions.
  </Card>

  <Card title="Contact Support" icon="headset" href="https://codking.tech/contact">
    Contact the COD King support team for additional assistance.
  </Card>

  <Card title="Changelog" icon="clock-rotate-left" href="/documentation/support/changelog">
    View the latest COD King product updates and improvements.
  </Card>

  <Card title="Local SMS Gateway" icon="message-sms" href="/documentation/local-sms-gateway/connect-twilio-account-to-shopify">
    Explore the available Local SMS Gateway integrations.
  </Card>
</CardGroup>

## Still Need Help?

If you cannot find the answer in this documentation or the [official COD King FAQ](https://codking.tech/faq), visit the [COD King Contact page](https://codking.tech/contact) and contact the support team.

When contacting support, provide enough information about the issue to help the team investigate it quickly.


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