SMS API to send & receive text messages.
Power up your communication with our Bulk SMS Services. Send alerts, promotions and updates globally using our easy to integrate SMS API
Trusted by brands Globally
Why your brand needs TrustSignal SMS API!
smarter messaging for stronger customer connections!
Open rate SMS has the highest open rate among all Marketing Channels
85%
Consumers still prefer SMS over other marketing channels – it's fast and direct
90%
Of SMS are read within 3 minutes, making it perfect for time-sensitive communication.
Why Your Brand Needs TrustSignal SMS API!
open rate SMS has the highest open rate among all Marketing Channels
> 85%
of consumers still prefer SMS over other marketing channels – it's fast, direct, and always read.
> 90%
of SMS are read within 3 minutes, making it perfect for time-sensitive communication.
Enhance your customer experience with sms API
Deliver timely, personalized messages that build trust and loyalty. Our powerful SMS API helps you create seamless, two-way conversations that enhance every step of the customer journey.
Send instant alerts, OTPs, & updates that matter to your customers.
Get Developer-Friendly SMS API
Send promotional campaigns with sms API
Drive sales and customer engagement by sending bulk promotional messages instantly through our SMS API.
✅Reach your audience instantly.
✅ Get unmatched open rates and real-time delivery.
Send transactional messages with sms API
Keep customers informed in real-time with automated transactional SMS alerts using our SMS API.
Reach your customers in real time
Send timely updates and reminders
Enhance Authentication with sms API
Deliver fast, secure one-time passwords (OTPs) to users with our reliable and scalable SMS API.
Deliver OTPs within seconds
Get 99.99% API uptime
Trusted by leading growth-driven brands
Supercharge your workflows by integrating TrustSignal with your favorite CRMs and automation tools.
The Integrations your workflow needs.
Transform your customer interactions, automate processes, customise experiences, and spur growth by integrating with CRMs you already use.
Why use Trustsignal SMS API Services
Build instant trust with verified business profiles
DLT Registration
End-to-end assistance with DLT registration and Template approval
Transparent Pricing
No hidden charges – just clear, upfront pricing you can trust.
URL link Shortener
Shorten your links, send attachments with SMS, and track your campaigns.
Multilingual Support
Speak your customer’s language.
Global
Presence
Reach customers worldwide with our SMS API
24*7
Support
Our team ensures timely support for all your queries and needs.
Industries We Serve
D2C
With Direct-to-Consumer (D2C), you can directly show your products, nudge hesitant buyers, answer questions quickly, and update customers on their orders. It's all about making their shopping easy and personal.
Retail
Enhance every step of the customer journey, from easy product discovery and smart selling to exclusive discounts, loyalty rewards, seamless reordering, and proactive after-sale support.
Financial Services
Deliver faster, smarter fintech experiences with instant balance updates, AI-driven portfolio insights, hassle-free claims, and seamless cross-selling opportunities.
Hospitality
Enhance guest experiences by showcasing your services, handling bookings easily, answering queries quickly, and simplifying reservation tracking.
Cafés & Restaurants
Restaurants and cafés can easily automate orders, reservations, and customer support, ensuring faster service, better engagement, and improved customer satisfaction through a single trusted channel.
Wait no more! Connect now and watch your business communication scale like never before
Frequently Asked Questions
What is SMS API
An SMS API is a tool that lets your app or system send and receive text messages automatically. It helps businesses deliver OTPs, alerts, and promotions quickly and reliably, without manual work.
What is SMS Marketing
SMS marketing sends promotional or transactional messages via text to customers with high open and response rates for offers, updates, reminders, and more.
What is DLT Registration
DLT (Distributed Ledger Technology) registration is a mandatory process in India for businesses sending SMS to customers. It ensures message authenticity and prevents spam, as required by TRAI (Telecom Regulatory Authority of India).
To send SMS, businesses must register their brand, headers, and message templates on a DLT portal.
What is Meant By A2P SMS
A2P SMS (Application-to-Person SMS) refers to text messages sent from a software or application to a user’s mobile phone.
Common examples include OTPs, alerts, reminders, and promotional messages. It’s widely used by businesses for automated, high-volume communication.
Is it possible to track and analyse SMS engagement through CPaaS platforms?
Yes, many CPaaS providers offer analytics tools to track SMS delivery, open rates, and user engagement. This data can help businesses optimise their SMS campaigns and improve communication strategies.
Our team is ready to answer any questions you may have about your SMS API.