> ## 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). > [card] [Getting Started](#general) > > Learn about COD King, Shopify setup, and getting started. > [card] [COD & Payments](#cod-and-payments) > > Find answers about COD fees, partial payments, prepaid discounts, and COD conversion. > [card] [Messaging](#sms-and-whatsapp) > > Learn about SMS, WhatsApp, OTP, and messaging configuration. > [card] [Local SMS Gateway](#local-sms-gateway) > > Find answers about Local SMS Operators and provider configuration. > [card] [Troubleshooting](https://codking.tech/documentation/guides/troubleshooting.md) > > Find solutions to common COD King configuration issues. > [card] [Contact Support](https://codking.tech/contact) > > Contact the COD King support team if you need additional assistance. ## General > [accordion] 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] Is COD King compatible with Shopify? > > Yes. COD King is designed for Shopify stores and can be configured directly from your Shopify admin. > [accordion] 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] Where can I find all COD King documentation? > > Start from the [COD King Introduction](https://codking.tech/documentation/index.md) to browse the available feature guides, Local SMS Gateway integrations, troubleshooting resources, and support documentation. > [accordion] 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. ## COD and Payments > [accordion] 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] 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](https://codking.tech/documentation/setting-cod-fees-in-shopify.md) for detailed instructions. > [accordion] 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](https://codking.tech/documentation/partial-payment/overview.md) for configuration instructions. > [accordion] 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](https://codking.tech/documentation/guides/troubleshooting.md). > [accordion] 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](https://codking.tech/documentation/setting-prepaid-discount-in-shopify.md) for configuration instructions. > [accordion] 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] 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](https://codking.tech/documentation/setting-cod-to-prepaid-conversion-in-shopify.md). > [accordion] 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. ## OTP and Customer Verification > [accordion] 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] 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](https://codking.tech/documentation/setting-otp-verification-on-shopify.md). > [accordion] 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] 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](https://codking.tech/documentation/setting-sms-and-whatsapp-in-shopify.md). ## SMS and WhatsApp > [accordion] 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](https://codking.tech/documentation/setting-sms-and-whatsapp-in-shopify.md) for setup instructions. > [accordion] 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] 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] 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. ## Local SMS Gateway COD King supports multiple Local SMS Operators for regional SMS delivery. > [accordion] 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] 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] 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] 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](https://codking.tech/documentation/guides/troubleshooting.md). > [accordion] 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. ## Supported Local SMS Providers > [card] [Twilio](https://codking.tech/documentation/local-sms-gateway/connect-twilio-account-to-shopify.md) > > Configure Twilio for SMS delivery. > [card] [Wavecell](https://codking.tech/documentation/local-sms-gateway/connect-wavecell.md) > > Configure Wavecell through 8x8 Connect. > [card] [Movider](https://codking.tech/documentation/local-sms-gateway/connect-movider.md) > > Configure Movider for SMS delivery. > [card] [VeevoTech](https://codking.tech/documentation/local-sms-gateway/connect-veevotech.md) > > Configure VeevoTech SMS integration. > [card] [eSMS](https://codking.tech/documentation/local-sms-gateway/connect-esms.md) > > Configure eSMS for SMS delivery. > [card] [BoomCast](https://codking.tech/documentation/local-sms-gateway/connect-boomcast.md) > > Configure BoomCast SMS integration. > [card] [ThaiBulkSMS](https://codking.tech/documentation/local-sms-gateway/connect-thaibulksms.md) > > Configure ThaiBulkSMS for SMS delivery. > **More providers:** New Local SMS Gateway providers will be added to the documentation as integrations become available. ## Troubleshooting > [accordion] 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](https://codking.tech/documentation/guides/troubleshooting.md). > [accordion] 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](https://codking.tech/documentation/guides/troubleshooting.md). > [accordion] 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. ## Plans and Billing > [accordion] 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] 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. ## Support > [accordion] 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] 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] Where can I find the latest COD King updates? > > Visit the [COD King Changelog](https://codking.tech/documentation/support/changelog.md) for product updates, improvements, and release notes. ## Helpful Resources > [card] [Documentation Home](https://codking.tech/documentation/index.md) > > Browse all COD King guides and configuration documentation. > [card] [Troubleshooting](https://codking.tech/documentation/guides/troubleshooting.md) > > Find solutions to common configuration and integration issues. > [card] [COD King FAQ](https://codking.tech/faq) > > Visit the official FAQ for general product and billing questions. > [card] [Contact Support](https://codking.tech/contact) > > Contact the COD King support team for additional assistance. > [card] [Changelog](https://codking.tech/documentation/support/changelog.md) > > View the latest COD King product updates and improvements. > [card] [Local SMS Gateway](https://codking.tech/documentation/local-sms-gateway/connect-twilio-account-to-shopify.md) > > Explore the available Local SMS Gateway integrations. ## 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. This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.