--- title: "SMS API Software Pricing, Alternatives & More 2026 | Capterra" description: "With the help of Capterra, learn about SMS API Software - reviews, pricing plans, popular comparisons to other SMS Marketing products and more." source_url: "https://www.capterra.com/p/147248/SMS-Notify/" page_type: "product" language: "en" --- # SMS API Software Review 2026: Features, Integrations, Pros & Cons Last updated on August 26, 2026 Provider data verified by our Software Research team, and reviews moderated by our Reviews Verification team. [Description](#description)[Use cases](#use-cases)[Alternatives](#alternatives)[FAQs](#faqs)[Features](#features)[Pricing](#pricing)[Support](#support)[Reviews](#reviews) SMS API ## What is SMS API? Our SMS API is a fast, customizable program designed to fit your company's marketing needs by reliably getting your messages in front of your audience. You can also leverage custom templates, advance scheduling, and two-way conversations to make your marketing efforts more efficient and effective than ever. Our API also comes stocked with analytics reports, so you can quantify your campaign success with ease. The Esendex API is also quick and easy to integrate with developer guides that will help your team breeze through implementation so you can start sending your first texting campaigns quickly. With ISO27001 certification and the most secure communication protocols, you can be sure you're campaigns are fully compliant and protect your customers' privacy. ## What is SMS API used for? [SMS Marketing](https://www.capterra.com/sms-marketing-software/)[Appointment Scheduling](https://www.capterra.com/appointment-scheduling-software/)[Unified Communications](https://www.capterra.com/unified-communications-software/) Top alternative Featured Overall rating Based on 34 user reviews Reviews sentiment Positive 97% Neutral 0% Negative 3% Starting price $19.99 Usage Based, Per Month Free trial available Free version not included Capterra Shortlist charts the highest-rated and most popular products... Our "Best of" badge program showcases products with the highest ratings... - Appointment Scheduling / 2025 - Cloud Communication Platform / 2025 - Live Chat / 2025 - Mobile Marketing / 2025 - SMS Marketing / 2025 - Unified Communications / 2025 Our "Best of" badge program showcases products with the highest ratings... Do you work for SMS API?[Manage this product listing](https://www.g2.com/products/sms-api/claim_requests/new?auto=true) ## Compare with a popular alternative Capterra selects software alternatives based on relevant features, verified user reviews and user interactions. Placement may be influenced by client status. ### SMS API 4.7 (34) VS. [4.6 (539)](https://www.capterra.com/p/156699/Klaviyo/reviews/) Starting Price $19.99 Usage Based, Per Month Starting Price $20 Usage Based, Per Month Free Trial Free Version Pricing Options Free Trial Free Version Ease Of Use 4.9 (34) Ease Of Use 4.5 (86) Value For Money 4.5 (31) Value For Money 4.3 (80) Customer Service 4.6 (31) Customer Service 4.3 (72) ## SMS API alternatives [4.4 (512)](https://www.capterra.com/p/180158/Twilio-Communications-Platform/reviews/) Starting price $0.01 Per User, Per Month Pricing Options Free Trial Free Version User Rating 88% of reviewers rated it above 4 stars [4.3 (716)](https://www.capterra.com/p/75130/Marketo-Lead-Management/reviews/) Starting price Contact vendor for pricing Pricing Options Free Trial Free Version User Rating 87% of reviewers rated it above 4 stars [Mobile Text Alerts](https://www.capterra.com/p/152417/Mobile-Text-Alerts/) [4.5 (86)](https://www.capterra.com/p/152417/Mobile-Text-Alerts/reviews/) Starting price Contact vendor for pricing Pricing Options Free Trial Free Version User Rating 91% of reviewers rated it above 4 stars [Learn More](https://www.capterra.com/p/152417/Mobile-Text-Alerts/) [Trumpia](https://www.capterra.com/p/131015/Trumpia-2-0/) [4.5 (120)](https://www.capterra.com/p/131015/Trumpia-2-0/reviews/) Starting price $55.00 Per User, Per Month Pricing Options Free Trial Free Version User Rating 88% of reviewers rated it above 4 stars [Learn More](https://www.capterra.com/p/131015/Trumpia-2-0/) ## FAQs about SMS API Overview ### Which roles and teams benefit most from SMS API? SMS API is most used by IT leaders, software developers, and technical teams that need to embed messaging into business systems, automate alerts, and manage reliable customer communications. Executives, sales and support leaders, and operations staff benefit from faster outreach, status updates, authentication messages, and scalable communication workflows. Answer based on 34 reviews Overview ### What company size and industries is SMS API built for? SMS API is built for small businesses first, with 74% of reviewers from that segment, and it is most common in computer software at 24%. It serves companies of all sizes integrating text messaging into websites, software, CRMs, or applications, with additional use in telecommunications and financial services at 9% each. Answer based on 34 reviews Features and Usability ### What are the key features of SMS API? SMS API offers API-based SMS messaging with 2-way messaging, mass texting, scheduled messaging, and automated responses. Core campaign tools include campaign management, segmentation, scheduling, and personalized templates, while alerts/notifications, consent management, contact databases, real-time reporting, and third-party integrations support message delivery and tracking. Pricing ### How much does it cost and what fees or limitations are included? SMS API starts at $19.99 per month on the Preferred usage-based plan, with pricing tied to SMS volume and discounts at larger volumes. A free trial is available. The plan is volume-based, and no additional fees or limitations are listed in the provided pricing data. Answer based on 7 reviews Getting Started and Support ### What training and onboarding options does SMS API offer? SMS API provides live online sessions, webinars, documentation, and videos to help teams get started. Live online sessions and webinars support guided instruction, while documentation and videos offer written and visual reference materials for self-paced learning and setup. Getting Started and Support ### What customer support options does SMS API offer? SMS API provides Email/Help Desk, FAQ/Forum, Knowledge Base, Phone Support, 24/7 Live Rep, and Chat. Reviewers describe support as generally responsive and helpful, with thorough explanations and quick assistance when issues arise, though a few note occasional difficulty reaching more technical support staff. Answer based on 5 reviews ## Features AI summary Based on 3,882 SMS Marketing reviews Capterra data shows that buyers of SMS marketing software rank the following features as their top priorities: - **SMS Messaging** (**59%** of reviewers rated this feature as critical) - **Campaign Scheduling** (**55%**) - **Mass Texting** (**55%**) SMS API supports all three of the features reviewers value most: **SMS Messaging**, **Campaign Scheduling**, and **Mass Texting**. Together, these capabilities help businesses send timely messages at scale, plan outreach in advance, and manage bulk campaigns more efficiently, allowing teams to reach audiences consistently and improve campaign execution. SMS Messaging 5.0 (4) 50.00% of 4 reviewers that rated this feature as important or highly important Send messages via SMS Campaign Scheduling 5.0 (1) 0.00% of 1 reviewers that rated this feature as important or highly important Set campaign schedules by selecting start, pause, and end dates Mass Texting 4.0 (5) 0.00% of 5 reviewers that rated this feature as important or highly important Send messages to multiple subscribers at the same time Scheduled Messaging 4.8 (4) 50.00% of 4 reviewers that rated this feature as important or highly important Send individual or bulk text messages at predetermined times 2-Way Messaging 4.8 (6) 33.33% of 6 reviewers that rated this feature as important or highly important Send and receive text messages to communicate with clients or prospects in real-time Alerts/Notifications 4.4 (5) 60.00% of 5 reviewers that rated this feature as important or highly important Alerts or notifications of various types such as pop-up messages, sounds, banners, or badges SMS API 39 features ### All Features - 2-Way Messaging: Send and receive text messages to communicate with clients or prospects in real-time - Alerts/Notifications: Alerts or notifications of various types such as pop-up messages, sounds, banners, or badges - API: Application programming interface that allows for integration with other systems/databases - Automated Responses: Automatic reply functionality for incoming messages - Autoresponders: Create and automatically send premade copy in response to customer messages - Campaign Analytics: Track and interpret campaign performance metrics - Campaign Management: Create a collection of marketing actions to complete specific goals and plan and analyze campaign results - Campaign Planning: Plan and strategize marketing campaigns - Campaign Scheduling: Set campaign schedules by selecting start, pause, and end dates - Campaign Segmentation: Group campaigns by project, client, or campaign for better management. - Communication Management: Manage and track all internal and external communication conducted via calls, email, text, or chat - Consent Management: Manage user consent requests and documents - Contact Database: Centralized database of stakeholders and their contact information such as names, address, phone number etc. - Customer Segmentation: Process of dividing customers into groups based on common characteristics - Customizable Branding: Add customized logos and colors to align with company branding - Customizable Templates: Pre-designed layouts that can be customized to match preferences and requirements - Data Import/Export: Import and export data to and from software applications - Engagement Tracking: Tracks metrics that provide insight into how a user interacts with any interface or product - Mass Texting: Send messages to multiple subscribers at the same time - Message Personalization: Personalize text messages using templates and custom fields - Mobile Alerts: Notifications via mobile devices - Mobile Coupons: Electronic coupons delivered to a mobile device that can be exchanged for a discount - Multi-Campaign: Manage multiple campaigns in one system - Polls/Voting: Enable custom polls/voting to facilitate decision-making or increase engagement - Push Notifications: Trigger clickable pop-up messages - Real-Time Analytics: Analyze and gain insights into data in real-time - Real-Time Data: Receive data and information in real time - Real-Time Notifications: Notifications that are delivered to users as soon as an event occurs - Real-Time Reporting: Active reporting of data and metrics - Reminders: Timed notification for any upcoming task, deadline, appointment, or activity - Reporting & Statistics: Collection, analysis, and representation of numerical data and generation of reports to understand various patterns - Reporting/Analytics: View and track pertinent metrics to find patterns and gain insights from data - ROI Tracking: Monitor conversion rates and analyze effectiveness and profitability of marketing efforts - Scheduled Messaging: Send individual or bulk text messages at predetermined times - Shortcodes: Short phone numbers that used to opt-in to SMS campaigns - SMS Marketing: Send promotional campaigns or transactional messages via text messages - SMS Messaging: Send messages via SMS - Third-Party Integrations: Set up connections to third-party platforms to improve business processes - Visual Analytics: Interact with data visualization elements, such as charts and graphs, to drill down into data --- Get Advice We can help you find the software with the features you need. Features 4.7 (34) 4.7 Based on 34 reviews ## Pricing Value for money 4.5 (31) Free Trial [View pricing plan details](https://www.capterra.com/p/147248/SMS-Notify/pricing/) Preferred $19.99 Usage Based,Per Month It includes: - Volume-based Value for money 4.5 (31) 4.5 Based on 31 reviews Connect with a Capterra advisor for a free 15-minute consultation Get a personalized software list aligned to your business needs with guidance from our expert advisors. Our team has helped 1 million+ businesses like yours find options that fit their needs. ## Support, customer service and training options Customer Service 4.6 (31) Support - Email/Help Desk - FAQs/Forum - Knowledge Base - Phone Support - 24/7 (Live rep) - Chat Training - In Person - Live Online - Webinars - Documentation - Videos Deployment - Web - Android - iPhone/iPad Typical users - Freelancers - Small businesses - Mid size businesses - Enterprises Customer Service 4.6 (31) 4.6 Based on 31 reviews ## User reviews Overall rating 4.7 Based on 34 reviews Filter by rating 5(27) 4(6) 3(0) 2(1) 1(0) Mentioned topic Sorted by most recent RM Rebecka M. IT Director Retail ### "Works as expected" 5.0 Overall Rating 5.0 5.0 Ease of Use 5.0 5.0 Features 4.0 4.0 Customer Service 5.0 5.0 Likelihood to Recommend 9/10 August 28, 2024 It was a good experience, and we are happy we are using it. We are utilizing it to automate emails to our customers to update them on their order status. Pros Works as describe and save us a ton of time from manually sending emails to follow up Cons not sure we have any issues. It really does work as expected Review source Vendor Referred - Incentive Offered: This reviewer was invited by the software vendor to submit an honest review and offered a nominal incentive as a thank you. MH Maureen H. Sr Principal Electrical/Electronic Manufacturing ### "Excellent service, product recommendation" 4.0 Overall Rating 4.0 4.0 Ease of Use 5.0 5.0 Features 5.0 5.0 Customer Service 5.0 5.0 Likelihood to Recommend 9/10 August 14, 2024 Customer service is very responsive and provides thorough explanations. Pros Esendex ensures the address data managed by my organization meets postal standards. Cons We had a situation when a user inadvertently enabled the address verification process multiple times in a single day. It resulted in higher than average fees. Ideally, the application would allow users to set a maximum number of transactions per day. That would help eliminate unintentional charges. Review source Vendor Referred - Incentive Offered: This reviewer was invited by the software vendor to submit an honest review and offered a nominal incentive as a thank you. MF Martin F. CEO Information Services ### "SMS Text messaging for our customer service." 5.0 Overall Rating 5.0 5.0 Ease of Use 5.0 5.0 Features 5.0 5.0 Customer Service 5.0 5.0 Likelihood to Recommend 10/10 August 13, 2024 Good experience with customer service. The API is simple to use. Pros Simple interface. Ease of use. Good customer service. Cons Originally the account management website during the transition from CDYNE to Esendex was a bit confusing, but I think that has bee corrected now. Switched from [Clickatell](https://www.capterra.com/p/175976/Clickatell-Touch/) They had terrible customer service. One evening I called Clickatell about an online billing issue, and the customer service rep seemed to be on an online roll playing game and was a bit upset I was disturbing him. I immediately switched to CDYNE. Review source Vendor Referred - Incentive Offered: This reviewer was invited by the software vendor to submit an honest review and offered a nominal incentive as a thank you. WL Wenbin L. Senior Staff Engineer, Software Computer Networking ### "Easy and Good SMS API" 5.0 Overall Rating 5.0 5.0 Ease of Use 5.0 5.0 Features 3.0 3.0 Customer Service 4.0 4.0 Likelihood to Recommend 9/10 August 13, 2024 Overall is good. The API is easy to use, delivery is kind of promised. Pros The API is straightforward to integrate with various programming languages and platforms. It often comes with well-documented SDKs and libraries, making it easy to get started. Cons SenderId cannot be configured. We do not have a function that country limit access control. Switched from [Twilio](https://www.capterra.com/p/180158/Twilio-Communications-Platform/) Include Esendex as multiple SMS providers Review source Vendor Referred - Incentive Offered: This reviewer was invited by the software vendor to submit an honest review and offered a nominal incentive as a thank you. RS Ryan S. Director Consumer Services ### "Text review " 5.0 Overall Rating 5.0 5.0 Ease of Use 5.0 5.0 Features 5.0 5.0 Customer Service 5.0 5.0 Likelihood to Recommend 10/10 August 2, 2024 Great for sending out daily reminders, good for business Pros Sends reminders out to clients with appointments. Decreases the number of no shows Cons Can’t fault it, services works as intended Review source Vendor Referred - Incentive Offered: This reviewer was invited by the software vendor to submit an honest review and offered a nominal incentive as a thank you. SC Steve C. President Automotive ### "SMS-API has become an essential part of our communications" 5.0 Overall Rating 5.0 5.0 Ease of Use 5.0 5.0 Features 5.0 5.0 Customer Service 0.0 0.0 Likelihood to Recommend 9/10 July 29, 2024 Pros Easy to setup and integrate into our systems Cons I really cannot think of any negative aspects. Review source Vendor Referred - Incentive Offered: This reviewer was invited by the software vendor to submit an honest review and offered a nominal incentive as a thank you. TA Tony A. Director of Sales and Support Telecommunications ### "Great Services" 5.0 Overall Rating 5.0 5.0 Ease of Use 5.0 5.0 Features 5.0 5.0 Customer Service 5.0 5.0 Likelihood to Recommend 10/10 July 26, 2024 Very easy to use - great features - great service Pros Easy to use , Great features, great customer service Cons Nothing - The services gave us everything we needed Review source Vendor Referred - Incentive Offered: This reviewer was invited by the software vendor to submit an honest review and offered a nominal incentive as a thank you. BW Bonnie W. President Developer Computer Software ### "Esendex use for custom solutions" 5.0 Overall Rating 5.0 5.0 Ease of Use 5.0 5.0 Features 5.0 5.0 Customer Service 5.0 5.0 Likelihood to Recommend 10/10 July 25, 2024 Pros Integrating the SMS API was quite painless. It takes me under 2 hours to be up and running. This is very helpful when clients to add SMS. they are always amazed at how fat we can get it running. Cons I really don't have anything I don't like Reasons for choosing SMS API Ease of use, cost and support from Esendex. I love it that when I call I always get to a person, Review source Vendor Referred - Incentive Offered: This reviewer was invited by the software vendor to submit an honest review and offered a nominal incentive as a thank you. BF Bridget F. CFO Financial Services ### "Meets most of our basic needs" 4.0 Overall Rating 4.0 4.0 Ease of Use 4.0 4.0 Features 4.0 4.0 Customer Service 0.0 0.0 Likelihood to Recommend 6/10 July 25, 2024 Pros Fairly easy to use. Clients understand how to use the product. Cons It is fairly expensive. The cost fluctuates up and down, but not always in a linear fashion to number of notifications. The price should go down as the number of notifications go up, but sometimes it is the opposite. For example, we were charged .05 per notification for 13,561 uses, but then .0525 for 23,391 uses. Reasons for choosing SMS API Pros outweighed the cons. Review source Vendor Referred - Incentive Offered: This reviewer was invited by the software vendor to submit an honest review and offered a nominal incentive as a thank you. RH Robert H. Lead Programmer Computer Software ### "Easy to implement" 5.0 Overall Rating 5.0 5.0 Ease of Use 5.0 5.0 Features 5.0 5.0 Customer Service 4.0 4.0 Likelihood to Recommend 10/10 July 25, 2024 Great. I was able to quickly add the API to my software package allowing my customers to send texts and receive appointment confirmations. Great product and service. Pros I found the API was easy to implement. Good examples and some tech support helped a lot. Cons No complaints. It works. Not much else to say about it. Review source Vendor Referred - Incentive Offered: This reviewer was invited by the software vendor to submit an honest review and offered a nominal incentive as a thank you. [View all Reviews](https://www.capterra.com/p/147248/SMS-Notify/reviews/) ## Top-rated software of 2026 ### Fill out the form and we'll send a list of the top-rated software based on real user reviews directly to your inbox.