Connect Sub-Zap by Zapier and Billit to power AI-driven automation

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Choose a Trigger

Choose an Action

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How Zapier works

Zapier makes it easy to integrate Sub-Zap by Zapier with Billit - no code necessary. See how you can get setup in minutes.

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1. Choose trigger event

2. Choose action

1. Select the event

Setup

Test

App

Trigger event

Choose a trigger event

Choose a trigger

A trigger is the event that starts your Zap—like a "Start a Sub-Zap" from Sub-Zap by Zapier.

Add your action

An action happens after the trigger—such as "Create Customer" in Billit.

You’re connected!

Zapier seamlessly connects Sub-Zap by Zapier and Billit, automating your workflow.

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.

- Input / Argument List
- Zap_id
- Blank_sample_notice
Trigger
Instant
Try It
- Output / Return Values
- Zap_path_run_id
- Zap_run_id
Action
Write
- Customer Name
  Required
- Customer Street Name
  Required
- Customer address number
  Required
- Customer Box Number
- Customer Zipcode
  Required
- Customer City
  Required
- Customer Countrycode
- Customer IBAN
  Required
- Customer BIC
- Customer Mobile
- Customer Phone
- Customer Fax
- Customer Email
- Customer Website
- Customer Contact
- Customer VAT Number
- Party Type
- VAT Liable
- Unit Quantity
  Required
- Unit price excl
  Required
- Unit Description
  Required
- Total Excl
- Total VAT
- VAT Precentage
  Required
- Order Date
  Required
- Order Type
  Required
- Order Direction
  Required
- Paid
  Required
- Paid Date
- Currency
- Order Total Excl
- Order Total Incl
- Order Total VAT
- Expiry Date
  Required
- Invoice as Draft
  Required
- Custom Reference
- Custom Payment Reference
- Extra Unit Quantity #2
- Extra Unit Price Excl #2
- Extra Unit Description #2
- Extra VAT Percentage #2
- Extra Unit Quantity #3
- Extra Unit Price Excl #3
- Extra Unit Description #3
- Extra VAT Percentage #3
- ExtraTotalExcl #2
- Extra Total VAT #2
- ExtraTotalExcl #3
- Extra Total VAT #3
Action
Write
- Customer VAT
  Required
- Product ID
  Required
- Product Quantity
  Required
- Invoice Date
  Required
- Invoice Type
  Required
Action
Write
- Time Format
  Required
- Customer Type
- Project Name
  Required
- Customer Vat/Name
  Required
- Quantity
  Required
- Product
  Required
Action
Write

- Customer Name
- VAT Number
Action
Search
- Product Name
  Required
- Product Name
  Required
- ProductDescription
  Required
- Price Excl. VAT
- VAT Amount
  Required
- Groupname
- Amount Incl. VAT
  Required
- Stock Quantity
  Required
- Unit
  Required
- Minimum Billed Quantity
- Buy price Excl. VAT
Action
Search or write

- Select Your Account
  Required
- Select Your Sub-Zap
  Required
- Parent_zap_directions
- Live_testing_info
- Blank_sample_notice
- Zap_path_run_id
Action
Write
- VAT Number
- Name
- First name
- Last name
- Client IBAN
- Email
Action
Write
- Product Name
  Required
- ProductDescription
  Required
- Price Excl. VAT
- VAT Amount
  Required
- Groupname
- Amount Incl. VAT
  Required
- Stock Quantity
  Required
- Unit
  Required
- Minimum Billed Quantity
- Buy price Excl. VAT
Action
Write
- VAT Number
  Required
- First Name
- Last name
- Client IBAN
- Email
Action
Write
- Product ID
  Required
- Reference
  Required
- Description
  Required
- Amount Excl BTW
  Required
- VAT
  Required
- Unit
  Required
- Group Name
  Required
- Amount Incl BTW
  Required
- Stock Quantity
  Required
- Minimum Billed Quantity
  Required
- Buy Price Excl BTW
  Required
Action
Write
- Product Name
  Required
Action
Search

For AI agents & developers

Use Sub-Zap by Zapier and Billit with AI agents and code

Beyond Zap workflows. Call Sub-Zap by Zapier and Billit actions directly from your AI client or your codebase, using the same 9,000+ app integrations Zapier already runs.

No code

Connect via Zapier MCP

Expose Sub-Zap by Zapier and Billit actions as tools in any MCP client. Authenticate once, then call them in natural language.

Example actions on this page

Call a Sub-Zap
Create Customer

Works with

Claude · ChatGPT · Cursor · any MCP-compatible client

Connect Zapier MCP

Typescript

Call from code with the Zapier SDK

Trigger Sub-Zap by Zapier and Billit actions from backend services, scripts, or agent code.

Install

# TypeScript / Node
npm install @zapier/zapier-sdk

Run an action

import { createZapierSdk } from '@zapier/zapier-sdk';

const zapier = createZapierSdk();
await zapier.runAction({ /* sub-zap-by-zapier / billit action */ });

Run the SDK docs

There is no Python package yet. SDK is TypeScript-only (@zapier/zapier-sdk). The MCP server URL is personal to your account; get it at zapier.com/mcp.

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Customers who say using Zapier has made them better at their job

25m

Customers have created over 25 million Zaps on the platform

6 mins

The average user takes less than 6 minutes to set up a Zap

Connect Sub-Zap by Zapier and Billit to integrate crucial parts of your business

With Zapier, you can integrate everything from basic data entry to end-to-end processes. Here are some of the business-critical workflows that people automate with Zapier.

Automate your lead management and improve conversions

With Zapier, you can automate every part of your lead funnel and give yourself the best chance at converting leads. Automate everything from lead capture to outreach to reporting—and close more deals as a result.

Create more impactful campaigns with automation

Measuring campaign performance across platforms can get chaotic. Plus, digging up the right metrics costs you precious time and effort. With Zapier, you can create a centralized view of your performance, skillfully manage your lists, and ensure your campaigns drive ROI across the business.

Provide world-class support with a little help from automation

Support reps can't be productive when they have to track down crucial information for every incident or ticket. With Zapier, you can automatically send your reps the context they need to resolve tickets quickly and create a seamless customer experience.

Automate your way to actionable, up-to-date data

The days of manually exporting and importing data are over. With Zapier, you can send data where it needs to go, in the format you need it—so you can centralize your data and unlock more insights.

Resolve incidents faster with automation

Your technical support team wants to focus on tech tickets rather than admin work. With Zapier, you can automate everything from ticket creation to routing to inter-team communication—eliminating friction from incident management and increasing speed to resolution.

Learn how to automate Sub-Zap by Zapier on the Zapier blog

Make work flow with AI

Level up your Sub-Zap by Zapier to Billit integration with AI. Extract, summarize, and transform your integration data with leading AI models like OpenAI, Anthropic, and more.

Learn about AI automation

About Sub-Zap by Zapier

Build reusable Zap components and systems by building and calling "Sub-Zaps".

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About Billit

Billit is an accounting app for entrepreneurs, with the support of the accountants.