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Send SMS Gateway API – ASP.NET

This command can be used to send text messages to either individual numbers or entire contact groups.

Sample Request


Caution: Some users opt to place their request inside a code loop, while testing we highly recommend setting the test parameter to true , as occasionally an infinite loop can occur and users can consume all their credits very quickly.

We aim to make messaging easy and therefore,we provide our Bulk SMS API functionality so that the user can Send SMS from anywhere and everywhere. We do provide our SMS APIs for each and every purpose i.e. text message API, Bulk SMS API, Scheduled SMS API, GetBalance, Add Balance, Delivery status, SMS API, Send SMS Gateway API etc

We provide our users with a wide range of Bulk SMS APIs which in turn help our users to avoid unnecessary coding and struggling which saves their time.

Discover appropriate Bulk SMS API for your need and utilise messaging services to its best. We provide our users with APIs for each and every purpose. Integrate distinct API with sample codes as per choice of programming language. You can easily Send Bulk SMS in case of heavy traffic via our ASP.net API. We are providing various SMS ASP.net API to integrate it in your software and increase its functionality.

Take advantage of our BULK SMS API into CRM (Customer relationship management software) to send information, greetings, promotional sms via any CRM software developed in asp.net language jitbit CRM, Splendid CRM and so on.

Send SMS from your accounting softwares using asp.net API for sending dues information, billing information, Invoice, renewal of service, total business,to send Tax related, Inventory Management, HR & Payroll information etc and from any of your accounting softwares like Github, Account Plus, Sourceforge,Dotnet Invoice etc and many more

Use Our SMS API in asp.net to integrate into your HR software like SMART HRMS.

How to integrate bulk sms gateway api in ASP.net?

    • Sign up with SMS Cluster and go to developer tool for ASP.net Api and follow the simple steps to integrate bulk SMS API in your website. You will get POST and GET both type of send sms ASP.net API which are ready to use and source code for sms gateway. Our Send sms ASP.net script is used by many software companies and startups as sms verification api in India.Our sms api documentation is one of best for sms api for ASP.net developers.
      We are sms api providers for sms notification system, signup messages, alert message and verification code using ASP.net code. Our developer guide also help our clients sms gateway api integration in ASP.net websites or softwares.
      We also have ready wordpress sms api and drupal sms api.

How to send verification code to mobile using ASP.net?

    • To send the verification code to mobile through SMS using ASP.net is possible only with the API Integration.

How can I send bulk sms from my website by integrating sms gateway api in ASP.net.

    • API is the best way to send SMS directly from your website. As it allows you to integrate SMS services into your own System/application/Website for better functionality.
      A request to the Bulk SMS API is done by calling a URL with some required parameters (User Name, Password, Sender ID, Mobile Number, Message).When a request is made, the API along with all the parameters send to SMS Gateway server and it process the request and generate response for the particular request immediately. SMS Cluster provides the Bulk SMS Gateway with HTTP API (HTTP) to be integrated in different programming language like ASP.net ,php,Java.


Parameter Name Data Type Description
AUTH_KEY * Alphanumeric Login Authentication Key(This key is unique for every user)
message * Text Enter your message
senderId * Text Enter senderId it should be less then 6 character
routeId * Integer Which route you want use for sending sms enter routeId for particular route.use given Id for route. Transactional Route=1, Promotinal=2, Promotional SenderId=3
mobileNos * Integer Mobile number can be entered with country code or without country code Multiple mobile no. should be separated by comma
groupId * Integer To send sms to particular group enter group name created in MsgClub phone book.
smsContentType* Text "English" for text sms and "Unicode" for Unicode sms

Parameters with( * ) are mandatory.

Note: While both numbers and group_id are optional parameters, one or the other must be included in the request for the message to be sent.

Error Code

Error Codes Description
3001 * for Success
3002 * Invalid URL
3003 * Invalid User/Password
3004 * Invalid Message Type
3005 * Invalid Message
3006 * Invalid Destination
3007 * Invalid Source
3008 * Invalid DLR Field
3009 * Authentication Failed
3010 * Internal Error
3011 * Insufficient Balance
3012 * Responce Time Out
3013 * Invalid Request Content Type
3014 * Missing Mobile Number
3015 * SMs Content for Approval
3016 * Missing Required Parameter
3017 * FAIL
3018 * Expired Account
3019 * Null Pointer Exception code
3020 * Empty User Name
3021 * Empty Password
3022 * User Name not Available
3023 * Session Expired
3024 * Already Exist
3025 * Empty Group Name
3026 * Empty Contact Name
3027 * Empty Mobile Number
3028 * Empty Group Id
3029 * Empty City Name
3030 * Empty Occupation
3041 * Empty E-Mail Id
3042 * Group not Exist
3043 * Empty Message
3044 * Empty Route Id
3045 * Empty Sender Id
3047 * Empty Draft Id
3048 * Empty First Name
3049 * Empty Last Name
3050 * Empty Balance
3051 * Empty Role Id
3052 * For User Name Length
3053 * Empty Expiry Date/td>
3054 * Invalid Date
3055 * Empty Client Id
3056 * Invalid Status
3057 * Empty Country Name
3058 * Empty State Name
3059 * Session Expired
3060 * Empty Date
3061 * Access Denied
3062 * Empty Old Password
3063 * Password not Maching
3064 * Empty SMS
3065 * Empty Amount
3066 * Empty Address
3067 * Empty RequestId
3068 * Empty Group and MobileNo
3069 * Empty Description
3070 * Fail to Change RoleId
3071 * Empty CallerId
3072 * Empty File URL and Draft
3073 * Empty Duration
3074 * Invalid Request
3075 * Invalid Aoudio file
3076 * Missing Upload File


Warning Codes
3 Invalid number.