Esendex is a leading business messaging platform that enables organizations to engage customers through SMS, email, and voice channels.
Enhance your customer communications with AI Agents that can automatically respond, personalize, and manage conversations across channels.


Esendex delivers powerful multi-channel messaging capabilities for business communications. Relevance AI transforms these capabilities into intelligent AI Agents that can engage in personalized, context-aware customer interactions at scale.
Seamless Communication Orchestration
The agent can effortlessly manage multi-channel interactions, ensuring consistent messaging across platforms.
Dynamic Personalization Mastery
Utilizing customer data, the agent tailors communications to enhance engagement and relevance.
Automated Workflow Efficiency
The agent streamlines processes by automating routine tasks, reducing manual effort and response times.
Relevance AI gives you access to Esendex's messaging capabilities within your AI-powered 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 Esendex account
- A Relevance AI account with access to your projects
- Authorization (you'll connect securely using API keys—no sensitive info stored manually)
Security & Reliability
The integration uses secure OAuth authentication, ensuring only authorized workflows access your Esendex messaging services. Relevance AI handles API operations in the background while managing message delivery, status tracking, and response handling—so you don't have to worry about technical complexities.
Built-in validation ensures your SMS and voice messaging workflows run reliably, with automatic formatting and delivery confirmation.
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.

To get the most out of the 0CodeKit + Relevance AI integration without writing code:
- Start with a clear setup: Ensure your 0CodeKit account is properly configured with the necessary OAuth credentials and permissions.
- Utilize example code: Leverage the provided code snippets for PDF compression and barcode reading to jumpstart your integration.
- Validate inputs: Always check your input parameters for correctness before making API calls to avoid unnecessary errors.
- Test with sample data: Run your automations using test PDFs and images to ensure everything works smoothly before going live.
- Monitor API usage: Keep an eye on your API calls to avoid hitting rate limits, and implement caching where appropriate.