Handwrytten is a leading provider of automated handwritten note services that allows businesses to send personalized, handwritten notes at scale.
Enhance your customer communications with AI Agents that can automatically trigger and personalize handwritten notes based on customer interactions and events.



Handwrytten enables personalized, handwritten communication at scale. Relevance AI transforms this into intelligent, context-aware customer engagement through AI Agents that can trigger personalized notes based on customer behaviors and interactions.
Seamless Personalization
The agent can tailor handwritten notes based on individual customer data and preferences.
Automated Engagement
The agent triggers note sending automatically based on customer interactions, enhancing responsiveness.
Enhanced Relationship Building
The agent fosters stronger customer connections through timely and thoughtful handwritten communications.
Relevance AI gives you access to Handwrytten's automated handwritten note 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:
- A Handwrytten account
- A Relevance AI account with access to your workspace
- 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 Handwrytten data. Relevance AI handles API operations (like GET, POST, PUT, DELETE) in the background—so you don't have to worry about authorization headers, request formatting, or rate limits.
Built-in validation and request handling ensure your handwritten notes and cards are processed correctly, even with varying content types.
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 Handwrytten + Relevance AI integration without writing code:
- Verify API credentials: Ensure your Handwrytten OAuth authentication is properly configured.
- Format addresses correctly: Use standardized address formats to prevent delivery issues.
- Plan message content: Keep handwritten notes within character limits and formatting guidelines.
- Monitor order status: Track API responses to confirm successful card creation and shipping.
- Batch strategically: Group similar requests together to optimize API usage and processing time.