Handwrytten | Handwritten Notes Service and Card Automation
The leading online handwritten notes service. Use AI to craft your message. Automated thank you and birthday cards! Send cards online.
40
Partial
Agentic Readiness Score
+20 OpenAPI
+15 structured API
missing +25 llms.txt
Raise this score to 95+
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productivity
aiopenapiapiautomation
Agentic Signals
llms.txt
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ai-plugin.json
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OpenAPI Spec
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Structured API
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Schema.org Markup
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MCP Server
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OpenAPI Spec (preview)
{
"openapi": "3.0.0",
"info": {
"title": "Handwrytten API",
"version": "3.15.0",
"description": "## About\nSend personalized, handwritten cards to anyone using the Handwrytten API. Choose from a variety of handwriting styles, customize cards with your logo, and automate your card-sending workflow at any scale.\n## Test Mode\nDuring development your account can be switched to test mode on the [Integrations](https://app.handwrytten.com/integrations) page in your dashboard. In test