SMS Ingenuity

SMS Ingenuity (SMSi) is an SMS marketing service that can be used for bulk messaging, birthday reminders, timed campaigns, one-on-one communications, text-to-vote campaigns, and recurring messages. SMSi comes with features for automatically personalizing messages, managing contacts, and creating message templates. Developers can integrate the SMSi messaging gateway into their own application using the SMSi API. This allows them to send SMS programmatically using a wide variety of protocols and methods.
SMS Ingenuity

SMSCluster

SMSCluster is an international SMS marketing service that enables users to send bulk SMS to recipients anywhere in the world. It can be used to send alerts, run a marketing campaign, celebrate an event, and perform other mass communication tasks. During development, users can make use of a "simulation mode" to avoid wasting funds on sending test SMS. The SMSCluster API allows users to send and receive messages as well as check the status of sent messages via REST, SMTP, or SOAP calls. Users can send up to 10,000 texts with a single API request. SMSCluster provides free sample scripts for its API in Java, Ruby, PHP, Python, Perl, and (in the near future) C#.
SMSCluster

Channel Mobile SMS

Channel Mobile is a South African mobile marketing agency that enables users to send out targeted advertisements in the form of SMS, MMS, and USSD. Messages can be set up to send automatically when specific events occur. Developers can integrate their systems with Channel Mobile's SMS gateway using XML strings sent over REST, SMPP, or SMTP protocols.
Channel Mobile SMS

PageOne

PageOne is a company that provides mobile communication solutions to organizations throughout the UK. Their SOAP API allows users to enable their applications to send and receive SMS in over 300 countries. The API supports text, binary SMS, and flash messaging and provides delivery acknowledgement after sending. It can also handle location-specific functions like targeting recipients in a given area, providing local information, and tracking resources or equipment. Additional methods of connecting to PageOne's messaging gateway include REST, SMPP, SMTP, and SCP.
PageOne

SendinBlue

SendinBlue is a platform for managing online marketing campaigns, transactional emails, and SMS messages. It includes tools for designing custom emails or uploading designs from elsewhere. Users may send emails or SMS to all of their subscribers at once or to a subset on a contact list. SendinBlue provides users with statistical reports in order to track and improve their email marketing efforts. Many of the platform's functions are made programmatically accessible via REST API. The SendinBlue website and documentation are available in both English and French.
SendinBlue

HEXONET

HEXONET is a domain name registration service that offers a wide variety of domains at wholesale prices. They sell to both customers and resellers. HEXONET provides a set of APIs for their larger resellers and partner companies. These APIs allows developers to integrate functions for handling domain registration, DNS management, domain alerts, account management, account billing, and other important tasks into their systems or applications.
HEXONET

GlobalBulkSMS

GlobalBulkSMS is a bulk SMS service based in India. They provide coverage over 480 networks in 182 countries. Users can schedule SMS to send automatically at a later time, send 2-way SMS that recipients can respond to, customize their sender ID, and more. Users can send messages via web interface, HTTP REST, SMPP, or SMTP.
GlobalBulkSMS

TekEgy

TekEgy is a bulk SMS service. Although the company offering the service is Egyptian, the website is provided entirely in English. Users can send bulk SMS using a web browser, a desktop interface, or any of several API methods. The available APIs are all suited to different types of use and include REST, SMPP, SMTP, and SOAP.
TekEgy

KAP Computer Solutions

KAP Computer Solutions is a bulk SMS provider based in India. Their messaging platform allows users to send SMS from the website, Excel SMS plugin, or REST API. Users can upload contact lists from a text file or Excel spreadsheet. Messages can be delivered instantly or be scheduled for future delivery. Sent message history is tracked, and users can retrieve delivery status reports for their SMS. Free demo accounts are available so that users can try out the service.
KAP Computer Solutions

World Text

World Text is an SMS and communications company that provides bulk SMS, two-way SMS, M2M SMS, and inbound SMS services. They are often used by emergency services and other critical operations where delivery is essential. World Text provides REST, SMPP, and SMTP APIs that allow users to access all of their text messaging services from other programs or applications.
World Text