Sinch Conversation API
Sinch Conversation API is a unified messaging API that connects businesses to 14 messaging channels (SMS, WhatsApp, RCS, Facebook Messenger, and more) through a single integration. It enables omnichannel customer communication with built-in AI for intent and sentiment analysis, automatic channel fallback, and global scale.
Key facts
What is Sinch Conversation API?
Connect to 14 messaging channels with one API to simplify omnichannel communication, boost engagement, and scale globally.
Who is Sinch Conversation API best for?
Software platforms, retail & e-commerce, financial services, healthcare, travel & hospitality
What are its main limitations?
- Requires development resources and a server endpoint for webhook events
- Pricing is usage-based and not fully transparent on the website (pay-as-you-go for SMS, Voice, RCS)
Limitations are based on product materials or editorial synthesis; confirm on the official site.
Key features
- ✓Single unified API for 14 messaging channels
- ✓Smart Conversations: real-time intent and sentiment analysis, PII masking, abusive language detection
- ✓Automatic channel fallback for delivery success
- ✓Unified Contact Memory across all channels
- ✓Omnimessage Templates for reusable, channel-savvy messages
- ✓Message batching and scheduling
- ✓Consent Management for global compliance
- ✓Analytics with message counts, channel breakdowns, top-country reports
Use cases
- →Marketing campaigns using interactive promotions on WhatsApp, RCS, Messenger
- →Customer updates like order confirmations, shipping alerts, appointment reminders
- →Two-way conversational customer service with AI chatbots and agent handover
- →Secure identity verification and OTP delivery with verified sender identities
- →Transactional alerts for financial services (e.g., transaction alerts)
Pricing
Free
$0
- · Test the API in the Sinch Build dashboard with a free account
Pay-as-you-go
Usage-based
- · Pay-as-you-go pricing for SMS, Voice, RCS; no fixed monthly fee mentioned
Free account available for testing; production usage is pay-as-you-go for SMS, Voice, and RCS.
Pros
- +Single integration eliminates vendor sprawl and reduces development complexity
- +Supports 14 channels including emerging ones without additional integrations
- +Built-in AI for message understanding, security, and automation
- +Automatic fallback ensures high delivery rates
- +Global scale with 600+ direct operator connections and GDPR compliance
Cons
- −Requires development resources and a server endpoint for webhook events
- −Pricing is usage-based and not fully transparent on the website (pay-as-you-go for SMS, Voice, RCS)
Positioning
- Core value: Connect to 14 messaging channels with one API to simplify omnichannel communication, boost engagement, and scale globally.
- Ideal for: Software platforms, retail & e-commerce, financial services, healthcare, travel & hospitality
Frequently asked questions
What is Sinch Conversation API?
Sinch Conversation API is a unified messaging API that lets businesses connect to 14 messaging channels through a single integration, simplifying omnichannel communication and reducing development complexity.
Who can benefit from using the Sinch Conversation API?
Businesses with high volume or complex messaging needs, specifically software platforms, retail & e-commerce, financial services, healthcare, and travel & hospitality.
How does Conversation API handle messages if a user doesn’t have a specific messaging app?
The API can be configured with channel-specific failover logic. For example, if a WhatsApp message can’t be delivered, it can automatically resend as an SMS.
How do I get started with Conversation API?
Sign up for a free account to test the Conversation API in the Sinch Build dashboard. Create a project, obtain API credentials, configure your first channel, and make your first API call.
What channels does Conversation API support?
You can connect to 14 messaging channels, including WhatsApp, RCS, SMS, Facebook Messenger, and more, all through one unified API.
Is Conversation API secure and compliant?
Yes, Conversation API supports verified sender identities, global compliance standards including GDPR, and secure message delivery.
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