Put Harvest to work with AI and enterprise-grade automation
Automate smarter with Harvest 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
Join millions worldwide who automate their work using Zapier
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.
- Invoice Paid
Triggers when an invoice is fully paid.
Try ItTriggerPolling - New Client
Triggers when a new client is added.
Try ItTriggerPolling - New Expense
Triggers when a new expense is added.
Try ItTriggerPolling - New Project
Triggers when a project is created.
Try ItTriggerPolling
- Invoice Sent
Triggers when an invoice is sent or marked as sent.
Try ItTriggerPolling - New Contact
Triggers when new contact is added.
Try ItTriggerPolling - New Invoice
Triggers when an invoice is created.
Try ItTriggerPolling - New Task
Triggers when a new task is added.
Try ItTriggerPolling
For builders
Let your AI safely access Harvest
Go beyond Zap workflows. Install Zapier in your AI to call Harvest actions directly from your agents—with governance built in. Authenticate once. Revoke access anytime.
Call actions in natural language with Zapier MCP
Act in Harvest 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
Work in code with the Zapier SDK
Expose Harvest 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 Harvest connection @ https://zapier.com/app/assets/connections
Run an action
// Typescript
import { createZapierSdk } from "@zapier/zapier-sdk";
const zapier = createZapierSdk();
const { data: connection } = await zapier.findFirstConnection({ app: "harvest", owner: "me" });
await zapier.runAction({
app: 'harvest',
action: 'create_client',
connection: connection.id,
input: {
{inputKeyValuePairs}
},
});Direct API calls to raw endpoints through fetch are not yet subject to org-level app and action restrictions.










