MSG91 is a leading communication platform that provides SMS, voice, and email services for businesses.
Enhance your customer communications with AI-powered agents that can automatically engage, respond, and deliver personalized messages at scale.



MSG91 delivers reliable multi-channel messaging at scale. Relevance AI transforms this into intelligent conversations by powering it with AI agents that can understand, respond, and engage across channels.
Intelligent Personalization
The agent can tailor messages based on individual customer data, enhancing engagement.
Real-Time Insights
Access to analytics allows the agent to adapt strategies based on customer behavior instantly.
Automated Response Mastery
The agent can handle routine inquiries autonomously, freeing human resources for complex issues.
Relevance AI gives you access to MSG91's messaging capabilities within your AI agent workflows.
What you’ll need
You don't need to be a developer to set up this integration. Follow this simple guide to get started:
- An MSG91 account
- A Relevance AI account with API access enabled
- Authorization credentials (you'll connect using API keys—secured and encrypted)
Security & Reliability
The integration uses secure OAuth authentication, ensuring only authorized workflows access your MSG91 messaging data. Relevance AI handles API operations through MSG91's endpoints in the background—so you don't have to worry about authorization headers, request formatting, or rate limits.
Built-in validation and response handling ensure your messaging workflows run smoothly, even when dealing with different message types and formats.
No training on your data
Your data remains private and is never utilized for model training purposes.
Security first
We never store anything we don’t need to. The inputs or outputs of your tools are never stored.

Best Practices for Non-Technical Users
To get the most out of the MSG91 + Relevance AI integration without writing code:
- Configure authentication properly: Ensure your MSG91 API credentials are correctly set up and permissions are granted.
- Optimize message templates: Create and test message templates in MSG91 before implementing automated flows.
- Monitor API usage: Keep track of your SMS credit balance and API rate limits to prevent service interruptions.
- Validate phone numbers: Use proper formatting and country codes to ensure successful message delivery.
- Test in sandbox: Use MSG91's test environment first to verify your integration workflow before going live.