18.3
Mailchimp is an email marketing service with web, iOS, and Android access.
Free planAndroidiOSWeb
Best Transactional SMS Software in 2026
Transactional SMS software is used for messages connected to account activity, service updates, and other defined events. Compared on delivery status and two-way messaging, the entries also cover webhooks and SMS API availability for connecting messaging with other systems. Monthly message limits and pay-as-you-go options help clarify how usage is handled, while free-plan availability and paid-from pricing add cost…
28.2
Textmagic is a business messaging platform for SMS and email campaigns, automated notifications, and two-way conversations.
Free planAndroidiOSWeb
38.0
ClickSend SMS API provides business text messaging through a browser service or API.
AndroidiOSWeb
- 4
Commio SMS API
Free planAndroidiOSWebAPI7.9From $0.25 a month - 5
LINK Mobility SMS API
Free planAndroidiOSWebAPI7.9From zł49 a month - 6
Callr
AndroidiOSWebAPI7.6From €599 a month - 7
D7 Networks
D7 Networks provides messaging services through APIs and a web platform, including SMS, WhatsApp, Viber, number lookup, and two-factor verification.
Free planWebAPI7.5$0.01 one-time - 8
Telnyx SMS API
Telnyx SMS API lets developers send and receive SMS and MMS through REST APIs.
Free planWebAPI7.5From $500 a month - 9
SMSPortal
Free planWebAPI7.4Free plan - 10
SmsHorizon Transactional SMS
AndroidWebAPIWindows7.3₹1,770 usage-based - 11
Gupshup
Gupshup provides conversational AI for marketing, commerce, and customer support automation.
Free planWebAPI7.2Free plan - 12
GatewayAPI
WebAPI7.1€0.04 one-time - 13
Messente
Messente is a business messaging platform for sending SMS, Viber, and WhatsApp messages globally, with RCS also listed as a channel.
Free planWebAPI7.1Free plan - 14
MoceanAPI
MoceanAPI provides business communication APIs for SMS, WhatsApp, voice, phone-number lookup, and verification.
WebAPI7.1 - 15
Plivo SMS API
Plivo SMS API provides messaging for secure logins, critical notifications, marketing campaigns, and conversational messaging.
WebAPI7.1From $0.50 a month - 16
46elks
46elks is a telecom API for applications that send messages and make phone calls.
Free planWebAPI7.0From €3 a month - 17
BulkSMS.com
iOSWebAPImacOS7.0 - 18
SMSLink
WebAPI7.0€0.04 one-time - 19
Notifyre
Notifyre provides online fax and SMS services through its web platform, email, APIs, and integrations.
AndroidiOSWebAPI6.9From $4.90 a month - 20
Sinch Verification API
Sinch Verification API provides phone number verification and multi-factor authentication for app sign-up, login, and password resets.
AndroidiOSWebAPI6.9 - 21
SMSala
WebAPI6.9 - 22
Telia SMS API
WebAPI6.8From €71.81 a month - 236.7From $58 a month
- 24
SMSGlobal API
SMSGlobal API gives applications an HTTP interface for sending SMS through SMSGlobal over HTTP or HTTPS.
WebAPI6.7 - 25
Spryng SMS API
WebAPI6.7€0.07 one-time