TrustSignal

Overview

TrustSignal is a CPaaS company with an office in New Delhi, India and a registered address in Delaware, USA. Its about page names co-founders Imran and Saarah. It sells business messaging over WhatsApp, SMS, RCS and email, mainly to Indian brands, through one platform and a set of APIs.

Key features

• SMS API with transactional and promotional routes and India DLT template IDs
• RCS Business Messaging with branded senders, rich media and interactive formats
• Official WhatsApp Business API for templates, automated chats and campaigns
• Email API with tracking
• Sigmo, a single platform for all channels; Otify for multi-channel OTP verification; Xleo, an intent-based AI chatbot
• Code samples for Java, JavaScript and other languages

Pricing

Not published. The site offers quotes through a contact form and says there are no hidden fees.

How it compares to Linq

TrustSignal has no iMessage, which is Linq's main channel. Both offer SMS and RCS. TrustSignal also sells WhatsApp and email, while Linq's WhatsApp is a separate beta API and it has no email. Linq lists flat monthly plans from $260 for Pro; TrustSignal does not publish prices.

Best for

Businesses in India that need WhatsApp, SMS and RCS campaigns and OTPs under DLT rules.

Sources

• trustsignal.io/rcs
• trustsignal.io
• trustsignal.io/about-us
• trustsignal.io/api-integration
• trustsignal.io/sms-api-provider