Put Letterhead to work with AI and enterprise-grade automation
Automate smarter with Letterhead and scale with confidence. Zapier is built for enterprise-grade security, compliance, and performance.
- No-code AI automation
- Full audit trails and controls
- SOC 2 and GDPR compliant
- Easy visual workflow builder
- 9,000+ apps, 450+ AI tools
- Free tier available
Or pick an app to pair with
Google Forms
Forms & Surveys, Google
Mailchimp
Marketing Automation
Donorbox
Fundraising
ChatGPT (OpenAI)
AI Assistants
Admiral
Marketing
Google Forms
Forms & Surveys, Google
Mailchimp
Marketing Automation
Donorbox
Fundraising
ChatGPT (OpenAI)
AI Assistants
Admiral
Marketing
Google Forms
Forms & Surveys, Google
Mailchimp
Marketing Automation
Donorbox
Fundraising
ChatGPT (OpenAI)
AI Assistants
Admiral
Marketing
Join millions worldwide who automate their work using Zapier
Launch your first automated workflow
Manage new or updated Google Forms responses by adding or updating audience members in Letterhead
Supported triggers and actions
Zapier helps you create workflows that connect your apps to automate repetitive tasks. A trigger is an event that starts a workflow, and an action is an event a Zap performs.
- URLRequired
- Newsletters
- Tags
- Title
- Excerpt
- Image URL
- Image description
- Image caption
- Author
- Publication name
- Date published
ActionWrite- TagRequired
- EmailRequired
ActionWrite
- EmailRequired
- First name
- Last name
- Custom fields
- ChannelRequired
- Subscription statusRequired
ActionWrite- TagRequired
- EmailRequired
ActionWrite
For builders
Let your AI safely access Letterhead
Go beyond Zap workflows. Install Zapier in your AI to call Letterhead actions directly from your agents—with governance built in. Authenticate once. Revoke access anytime.
No code
Install Zapier MCPCall actions in natural language with Zapier MCP
Act in Letterhead from your AI—no exposed credentials, and you control which actions your AI can touch. One install covers 9,000+ other apps.
Example actions on this page
Works with
Claude · ChatGPT · Cursor · Any MCP-compatible AI
Code
Open the SDK docsWork in code with the Zapier SDK
Expose Letterhead actions from backend services, scripts, or agent code. Zapier handles the OAuth and scoped permissions. Access 9,000+ apps, plus thousands more with .fetch().
Install
npm install @zapier/zapier-sdk npm install -D @zapier/zapier-sdk-cli zapier-sdk login # create a Letterhead connection @ https://zapier.com/fr/app/assets/connections
Run an action
// Typescript
import { createZapierSdk } from "@zapier/zapier-sdk";
const zapier = createZapierSdk();
const { data: connection } = await zapier.findFirstConnection({ app: "letterhead", owner: "me" });
await zapier.runAction({
app: 'letterhead',
action: 'add_curation',
connection: connection.id,
input: {
{inputKeyValuePairs}
},
});Direct API calls to raw endpoints through fetch are not yet subject to org-level app and action restrictions.
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