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we have simple and fastest API with 5 different connectivity to ensure you guaranteed delivery with in 10 seconds.Our SMS APi Can use to Integrate with Website like wordpress woocommerce, e-Commerce Site, shopping site and other languages Site, In our Bulk SMS Service can delivered SMS in Gauranted 10 seconds to customer, use our Service to Send OTP SMS, / Transactional SMS

Simplest SMS API

NOTE : Method of Post should always be “GET”
for example to send this string from web browser,919xxxx&message=hello



Check Our SMS API


These are basically used for information purpose such as OTPs and alerts to the registered users or in order to convey the information that is necessary/important for using any product or service. Delivered to all mobile numbers including DND Numbers using a Sender ID. The service can be availed 24/7

Resellers SMS API

Sell our SMS API ,Becoming a bulk sms provider in partnership with CriticalSMS can provide your company with a Regular additional income boost. What’s more, you can now stand out from other SMS API providers and resellers by offering Criticalsms unique mobile marketing features that your customers will love.

SMS API for Developer

Our SMS API Supporting Software

SMS API Supporting Billing Software & Open Source Services

  1. Busy Software
  2. margcompusoft
  3. Wordpress.
  4. CRM
  5. OTP Services
  1. Tally.
  2.  Zoho.
  3. Management Software.
  4. Inventory software.

Our SMS API SUPPORT for ALL Languages

SMS API Supportive Languages

php, Visual Basic, java, asp, jsp

Feel free to talk to us

Our simple, powerful Web Panel increase productivity, while letting you focus on Mobile


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 Call Now!  7503013424.