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- support@w3sms.com
Messages Delivered
Countries Covered
Uptime SLA
Active Customers
A complete suite of tools — built for marketers, developers and operations teams.
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Confidently deliver your SMS
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Three simple steps to start reaching customers globally.
Sign up free and get 100 SMS credits to test the platform — no credit card required.
Import contacts via CSV, sync from CRM, or use our API to add them programmatically.
Compose, schedule and send. Track delivery and engagement in real time.
From startups to Fortune 500 — businesses of every size trust us with their messaging.
Order confirmations, shipping updates, abandoned cart recovery.
Secure OTPs, transaction alerts, KYC notifications.
Appointment reminders, prescription alerts, patient updates.
Class schedules, fee reminders, exam result notifications.
Delivery tracking, ETA updates, driver communication.
Booking confirmations, check-in details, guest feedback.
Pick the right channel for your messaging needs.
Send and receive SMS from a specially- selected number or even port an existing one.
Learn More
Send and receive SMS from a specially- selected number or even port an existing one.
Learn More
Send and receive SMS from a specially- selected number or even port an existing one.
Learn MoreA clean REST API, official SDKs, webhooks and 99.9% uptime — everything you need to ship fast.
curl -X POST https://w3sms.com/api/v1/sms/send \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"to": "+8801XXXXXXXXX",
"from": "W3SMS",
"text": "Hello from W3SMS! 🚀",
"type": "promotional"
}'
# Response (HTTP 200)
{
"id": "msg_aBc123",
"status": "queued",
"cost": 0.0085,
"delivery_eta": "<1s"
}
As of my last knowledge update in January 2022, "Masking SMS" typically refers to a practice in which the sender of a text message
In a standard SMS, the sender ID is usually a phone number, and it is displayed to the recipient. However, with masking SMS, the sender can replace the phone number with a customized alphanumeric string or another phone number, making it appear
Learn MoreDirect connections to 800+ mobile network operators ensure the fastest delivery and the lowest latency, anywhere in the world.
Ascension Island
Andorra
United Arab Emirates
Afghanistan
Antigua & Barbuda
Anguilla
Albania
Armenia
Angola
Antarctica
Argentina
United States
American Samoa
Austria
Australia
Aruba
Åland Islands
Azerbaijan
Bosnia & Herzegovina
Barbados
Bangladesh
Belgium
Burkina Faso
Bulgaria
Bahrain
Burundi
Benin
St. Barthélemy
Bermuda
Brunei
Got questions? We have answers.
An SMS API (or SMS Gateway API) is a software interface that allows developers to build code that can send and receive SMS messages using an Application Programming Interface (API).
An SMS API (or SMS Gateway API) is a software interface that allows developers to build code that can send and receive SMS messages using an Application Programming Interface (API).
An SMS API (or SMS Gateway API) is a software interface that allows developers to build code that can send and receive SMS messages using an Application Programming Interface (API).
An SMS API (or SMS Gateway API) is a software interface that allows developers to build code that can send and receive SMS messages using an Application Programming Interface (API).
An SMS API (or SMS Gateway API) is a software interface that allows developers to build code that can send and receive SMS messages using an Application Programming Interface (API).
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