---
title: "Connect IDX Leads to fastbill - APIANT.ai"
description: "When \"New Lead\" fires in IDX Leads, your agent runs \"Add Payment for Invoice\" in fastbill."
canonical: "https://apiant.ai/connect/idx-leads-to-fastbill"
---

# Connect IDX Leads to fastbill

When **New Lead** fires in [IDX Leads](https://apiant.ai/connections/idx-leads), your agent runs **Add Payment for Invoice** in [fastbill](https://apiant.ai/connections/fastbill). Describe the whole flow and it is built, tested on every scenario and kept running.

IDX Leads **1** trigger fastbill **18** actions

What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.

## What do you want IDX Leads and fastbill to do together?

Give your AI client this address.

`https://mcp.apiant.ai`

One connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.

### Set it up in your client

### Claude Code

Run this in the directory you want to work in.

`claude mcp add --transport http -s project apiant-ai https://mcp.apiant.ai`

Start Claude Code there, approve the server, and sign in in the browser page it opens.

[Claude Code guide (opens in a new tab)](https://apiant.ai/docs/mcp/claude-code)

### Claude, web and desktop

Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.

[Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp)

### Cursor

Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.

[Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp)

### Zed

Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.

[Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp)

### Codex and the ChatGPT desktop app

Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.

[Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp)

### Any other MCP client

Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.

[Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp)

Example flows

## What IDX Leads can start in fastbill

- When **New Lead** in IDX Leads then **Add Payment for Invoice** in fastbill
- When **New Lead** in IDX Leads then **Create Customer** in fastbill

Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships.

Everything your agent can do with IDX Leads and fastbill

## Triggers and actions 1 trigger · 18 actions

- Trigger

**New Lead**

Triggers when a new lead is added to the IDX Broker account.

- Action

**Add Payment for Invoice**

Adds full payment for invoice

- Action

**Add Payment for Revenue**

Adds full payment for revenue

- Action

**Create Customer**

Creates a new customer in FastBill

- Action

**Create Invoice**

Creates a new invoice

- Action

**Create Offer**

Creates a new offer in FastBill

- Action

**Create Revenue**

Creates a revenue entry

- Action

**Delete Customer**

Delete a FastBill customer by ID.

- Action

**Delete Invoice**

Delete a FastBill invoice by ID.

- Action

**Delete Offer**

Delete a FastBill offer/estimate by ID.

- Action

**Finalize Invoice**

Converts an invoice draft to a final invoice

- Action

**Get Customer**

Fetch a single FastBill customer by ID.

- Action

**Get Invoice**

Fetch a single FastBill invoice by ID.

- Action

**Get Offer**

Fetch a single FastBill offer/estimate by ID.

- Action

**Search Customer**

Search for a Customer

- Action

**Search Invoice**

Find an invoice

- Action

**Send Invoice by Email**

Send an invoice by email

- Action

**Update Customer**

Update fields on an existing FastBill customer.

- Action

**Update Invoice**

Update fields on an existing (draft) FastBill invoice.

## Each app on its own

- [ **IDX Leads** IDX Leads is a system for real estate lead capture.](https://apiant.ai/connections/idx-leads)
- [ **fastbill** FastBill is a cloud app for German invoicing & accounting.](https://apiant.ai/connections/fastbill)

Reviews

## What our customers say

## More from IDX Leads

- [ **IDX Leads to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/idx-leads-to-hubspot)
- [ **IDX Leads to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/idx-leads-to-salesforce)
- [ **IDX Leads to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/idx-leads-to-slack)
- [ **IDX Leads to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/idx-leads-to-google-sheets)
- [ **IDX Leads to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/idx-leads-to-gmail)
- [ **IDX Leads to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/idx-leads-to-google-calendar)

## More into fastbill

- [ **FreeAgent to fastbill** FreeAgent is cloud accounting software for small businesses and freelancers — manage contacts, invoices...](https://apiant.ai/connect/freeagent-to-fastbill)
- [ **HubSpot to fastbill** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-fastbill)
- [ **Salesforce to fastbill** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-fastbill)
- [ **Slack to fastbill** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-fastbill)
- [ **Google Sheets to fastbill** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-fastbill)
- [ **Gmail to fastbill** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-fastbill)

Questions

## IDX Leads and fastbill, answered

###

### What can start an automation from IDX Leads?

Any of IDX Leads's 1 trigger in the catalog, including New Lead. Describe the moment in plain language and your agent picks the right one.

###

### What can your agent do in fastbill when something happens in IDX Leads?

Any of fastbill's 18 actions, including Create Customer, Create Invoice, Create Offer and Create Revenue. Your agent maps the data both ways and tests every scenario before it ships.

###

### Can it also run from fastbill to IDX Leads?

fastbill has no triggers in the catalog today, so automations start in IDX Leads. If you need the other direction, ask: your agent reads fastbill's API documentation and adds it.

###

### Do I have to build a connector for IDX Leads or fastbill?

No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running.

###

### Can my AI client use IDX Leads and fastbill without building an automation?

Yes. With your AI client connected to APIANT, ask it to do something in fastbill once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both.

###

### What happens when something fails?

Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.

###

### Is there a free plan?

Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.
