ANNOUNCEMENT: Nexmo SMS API currently only available to send SMS messages to countries that don't require a virtual number. (Ex/ Japan) Nexmo's SMS API allows you to send and receive text messages to users around the globe through simple RESTful APIs.
Twilio's Programmable SMS API helps you add robust messaging capabilities to your applications. Please read pricing details carefully.
This command can be used to send text messages to either individual numbers or entire contact groups.
Delivers patented phone-based verification and two-factor authentication using a time-based, one-time passcode sent over SMS
As part of Twilio's account security offerings, the Twilio Verify API makes it simple to add phone verification to your web application. It supports codes sent via voice and SMS.
Reduce undeliverable messages, identify local-friendly number formats, and resolve caller names with Twilio Lookup. Find phone types, carriers, and more; Lookup allows you to programmatically get information about phone numbers so you can be as effective as possible.
The smart way to get real-time intelligence on numbers anywhere in the world and protect yourself from fraud and spam.
Detailed and actionable global phone number and subscriber data intelligence to strengthen authentications, evaluate fraud risks, and enhance the user experience
An API that delivers patented phone-based verification and two-factor authentication (2FA) using a one-time passcode (OTP) sent over voice message in the event the end-user chooses the voice method, provides a landline or is not authorized to receive SMS messages in a specific country.
Delivers reputation scoring based on phone number intelligence, traffic patterns, machine learning and a global data consortium
MessageBird provides a simple and fast API for sending and receiving text messages (SMS) all over the world. Other related services are HLR-Lookup (network query) and sending and receiving Premium SMS messages.
Sign up for a free account at https://clicksend.com ClickSend is not a free service. Pricing can be found here https://clicksend.com/?r=pricing/
Get 30 Free SMS/OTP every Month! India's #1 SMS Marketing and Alerts Platform now available @Mashape. One click OTP verification | No setup costs | No license costs | You just pay a small fee per SMS | Instant Delivery of SMS | Secured SMS Routes | Priority SMS Gateway Routes | Live Delivery Report | All India & All Operator SMS Delivery | Easy integration with Organization Systems | Transactional SMS Services For all of its features, SMSLy also offers extremely competitive pricing. We will be adding custom Sender ID support and other features to Mashape soon
Send unlimited SMS to any Indian mobile number using this API, all you need is an account from freesms8.co.in
Twilio has a pay-as-you-go model, but offers a free trial credit to start with.
Telnyx offers free inbound SMS texts, but charges $0.0045
Per Outbound Message.
Plivo is another SMS service that has pay as you go pricing, but offers free trial credit.
Messagebird, like Telynx, offers free inbound SMS texts, but charges for outbound SMS messages.
ClickSend inbound SMS messages are free, but outbound SMS messages depend on volume.
|2k or more||$0.0088|
|10k or more||$0.0073|
|100k or more||$0.0067|
|Over 200k||Custom Pricing|
Wavecell pricing varies by country, but you can get started with a free trial.