LINK Mobility provides business messaging through SMS, WhatsApp, RCS, and email.
Best Transactional SMS Software 2026
Transactional SMS software helps businesses send text messages, and some tools provide an SMS API for sending and receiving messages. This guide is for buyers comparing services for business messaging.
The list covers free plans, entry prices, pay-as-you-go pricing, API access and message-handling features such as delivery updates, webhooks and two-way messaging. It also includes monthly message limits. The list order is rebuilt nightly; no ranking basis is published.
Mailchimp
Mailchimp offers marketing tools through mobile apps, a website, and an API.
AndroidiPhone & iPadWeb+1ClickSend SMS API
Business SMS service for sending and receiving texts through a browser or API.
AndroidiPhone & iPadWeb+3SmsHorizon Transactional SMS
Web panel and APIs for promotional, transactional, and OTP SMS for Indian businesses.
AndroidWebWindows+1SMSPortal
SMSPortal is a cloud messaging platform for business SMS, including transactional texts, with web and API access.
WebAPITextmagic handles business SMS and email, including automated alerts and two-way chats.
Cloud voice and text messaging APIs with SMS, MMS, group messaging, and bulk sending.
Messente provides web and API tools for text messaging, inbound event hooks, and short codes.
SMS messaging service with web, mobile, and API access.
BulkGate suits businesses sending transactional or campaign SMS through an API, portal, or plugins.
It suits developers adding phone verification or multi-factor authentication to app account flows.
Gupshup offers multichannel messaging with a visual tool for building flows on web and API.
TrueDialog is a cloud service for enterprise texting across the customer lifecycle.
D7 Networks suits organizations sending local or international messages, building WhatsApp workflows, or adding number verification and lookup.
MoceanAPI provides SMS messaging through web and API access.
Plivo SMS API supports two-way SMS through web and API access.
SMSLink offers SMS alerts, a gateway, two-way SMS, and connectors through its online platform.
Hosted HTTP API for verification codes, notifications, and promotional texts in over 200 countries and regions.
It suits businesses that need API or web-based SMS for customer communications, support, promotions or two-factor notifications.
Infobip SMS API supports two-way SMS through web and API access.
MSG91 supports business texting, with retries across telecom routes and delivery analytics.
SMSala provides business messaging through web and API access and supports multiple business numbers.
SMSGlobal API provides text and picture messaging with replies and inbound event hooks through web and API.
Before you choose
Check the platforms you need
Platform availability varies. Web and API access are listed for many tools, while Android and iOS availability is listed for fewer. Check the specific tool’s platform details against the devices and systems you plan to use.
Compare ways to pay
Check each service for a no-cost tier, trial period, stated entry price or usage-based billing. These are different ways to evaluate or pay for a service; confirm the terms for the tool you are considering.
Review message handling
See whether the service provides delivery updates, webhook support and two-way messaging. If you need to send and receive texts through an API, check that the tool’s details fit that use.
Consider your message volume
Find out whether the service states a monthly message cap before choosing it. Compare it with your expected needs, and review the service’s pricing terms as well.