How to send sms programmatically?

Question

Are there any sites that offer the ability to send SMS for free?

How do they do it?

How am I able to send SMS programmatically?

Shouldn't this be re-opened? I feel like it's on topic if we are talking about sending SMS messages programmatically. — RattleyCooper, Mar 28 '16 at 16:32

score 15 · Answer 1 · edited Apr 08 '19 at 23:20

15

The articles listed below may be useful:
Are there any free services for sending SMS programmatically?
[Programmatic SMS] [3]
[Free SMS API?] [4]

EDIT Removed first link that has been removed

edited Apr 08 '19 at 23:20

Swapnil

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answered Jun 30 '09 at 05:03

eric.christensen

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in the free SMS API list, for some carriers there are multiple email addresses, for example: T-Mobile 10digitphonenumber@tmomail.net T-Mobile 10digitphonenumber@voicestream.net how do I distinguish them? – user121196 Jun 30 '09 at 16:05
Exactly, should we simply send to all of them? – Pacerier Jan 06 '12 at 01:26
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The first link refers to a page that's been removed from Stack Overflow. – Some Guy on the Internet Feb 22 '18 at 03:26

score 12 · Accepted Answer · edited Jan 23 '19 at 15:34

12

Send an email to the 10 digit phone number @ Carrier's domain name.

Here is a list of the carriers and their domains:

https://en.wikipedia.org/wiki/List_of_SMS_gateways

edited Jan 23 '19 at 15:34

Cœur

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answered Jun 30 '09 at 04:49

AndyMcKenna

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is this a reliable way to send sms? – user121196 Jun 30 '09 at 16:01
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I doubt it. I certainly wouldn't do that for a production system. – skaffman Jul 27 '09 at 12:54
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The table is out of date (see the note). The link should be: http://en.wikipedia.org/wiki/List_of_carriers_providing_Email_or_Web_to_SMS – Peter Olsson Jul 27 '09 at 13:03
If you need a site to look up carrier names, check out http://www.freecarrierlookup.com/. There are others if you google as well, that was just the first hit when googling "Find cell carrier by number" – RattleyCooper Mar 28 '16 at 16:35
@DuckPuncher, it should be noted that those websites are not always up-to-date and, in fact, they are usually obsolete for up to several years after changes such as porting a phone number to a new service provider. – Spencer D Jan 14 '17 at 15:25

score 2 · Answer 3 · answered Jul 27 '09 at 12:51

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I use an SMS gateway and it is fairly easy but I did consider this as an alternative because it potentially gave me more control email to sms

answered Jul 27 '09 at 12:51

I'm using gatewayapi.com, they are good and competitive in terms of their pricing. Their API is very easy to deal with for nodejs. – CMP Apr 25 '19 at 13:46

score 1 · Answer 4 · answered Jun 30 '09 at 04:38

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The sites that send SMS for free usually use the email interface that most of the carriers implement which allow you to send an email to (for instance) <your 10 digit number>@mobile.att.net

and have it received as an SMS by that phone.

answered Jun 30 '09 at 04:38

Hardwareguy

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How to send sms programmatically?

4 Answers4

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