SMS API - SMS as a service
Grab the world's attention with powerful bulk SMS messages fuelled by a carrier-grade platform and a super network of 600+ direct carrier connections.
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curl -X POST \
-H "Authorization: Bearer {token}" \
-H "Content-Type: application/json" -d '
{
"from": "12345",
"to": [
"123456789"
],
"body": "Hi there! How are you?"
}' \
"https://eu.sms.api.sinch.com/xms/v1/{service_plan_id}/batches"
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Explore our competitive and transparent SMS messaging pricing
Got questions about SMS? We've got answers!
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What is an SMS API?
SMS API allows your business to integrate SMS messaging into your existing software platforms. With SMS APIs you can send and receive SMS messages quickly and easily through any application or website.
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How can my business start sending bulk SMS to increase customer engagement?
It's easy! Sinch can help you set it up and our technical support is here for you every step of the way.
Increasing engagement through a medium that never leaves your customers' side is just as simple. With open rates of over 90%, SMS messaging makes sure that offers, invites, reminders, and notifications are delivered and acted on. -
How do I receive SMS message replies?
You need to purchase an inbound SMS number to receive replies. If you already have a Sinch SMS account, please contact customer support or your Account Manager and we'll help you get this sorted.
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Why is SMS delivery time important?
For text messages that need to be delivered immediately, you need a SMS service with low latency. Two-factor authentication, banking or ticketing applications are good examples where instant delivery is essential to the end user.
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How do I know if my messages were delivered?
For every SMS or MMS sent with Sinch’s REST APIs, we receive information about the delivery status of the message from the carriers. This information is then available to you in our delivery reports.
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Can I send bulk text messages internationally to multiple countries at a time?
Yes you can! Just make sure that you're using the right country codes when uploading international numbers so they're routed correctly.
Please be aware that as messages are charged per network and destination, costs may vary on messages sent internationally.
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