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Or pick an app to pair with
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Scheduling & Booking
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CRM (Customer Relationship Management)
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Developer Tools
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Guesty
Scheduling & Booking
PandaDoc
Documents
SimplyBook.me
Scheduling & Booking
Recruit CRM
CRM (Customer Relationship Management)
Docusign
AI Document Extraction, Signatures
ablefy
eCommerce
Guesty
Scheduling & Booking
PandaDoc
Documents
SimplyBook.me
Scheduling & Booking
Recruit CRM
CRM (Customer Relationship Management)
Docusign
AI Document Extraction, Signatures
ablefy
eCommerce
SugarAI
CRM (Customer Relationship Management)
Tidely
Developer Tools
Stripe (Legacy)
Payment Processing
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.
- New Draft
Triggers when a new draft was created within your FastBill account.
Try ItTriggerPolling - Invoice Paid
Triggers when a new invoice was paid within your FastBill account.
Try ItTriggerPolling - Invoice IdRequired
- Payment Date
- Payment Method
ActionWrite- Customer Number
- Company Name
- First Name
- Last Name
- Salutation
- Address Line 1
- Address Line 2
- Zip Code
- City
- Country Code
- Secondary Address
- Phone
- Email
- Website
- Customer Account
- Vat Id
ActionWrite
- New Invoice
Triggers when a new invoice was created within your FastBill account.
Try ItTriggerPolling - New Offer
Triggers when a new offer was created within your FastBill account.
Try ItTriggerPolling - Revenue IdRequired
- Payment Date
ActionWrite- Description
- Quantity
- Single Item Price
- VAT Rate
- Article Number
- Customer IdRequired
- Currency Code
- Document Template
- Invoice Title
- Invoice Date
- Service Period
- Gross Prices
- StateRequired
- Service Period Start
- Service Period End
ActionWrite
For builders
Let your AI safely access fastbill
Go beyond Zap workflows. Install Zapier in your AI to call fastbill 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 fastbill 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 fastbill 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 fastbill 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: "fastbill", owner: "me" });
await zapier.runAction({
app: 'fastbill',
action: 'add_payment_invoice',
connection: connection.id,
input: {
{inputKeyValuePairs}
},
});Direct API calls to raw endpoints through fetch are not yet subject to org-level app and action restrictions.
About fastbill
FastBill is a cloud app for German invoicing & accounting. Writing offers and invoices, paying your bills or preparing your tax return is easier than ever with FastBill.
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