---
title: "Connect Knack to fastbill - APIANT.ai"
description: "When \"New View Record\" fires in Knack, your agent runs \"Add Payment for Invoice\" in fastbill."
canonical: "https://apiant.ai/connect/knack-to-fastbill"
---

# Connect Knack to fastbill

When **New View Record** fires in [Knack](https://apiant.ai/connections/knack), 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.

Knack **1** trigger Knack **11** actions 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 Knack 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 Knack can start in fastbill

- When **New View Record** in Knack then **Add Payment for Invoice** in fastbill
- When **New View Record** in Knack 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 Knack and fastbill

## Triggers and actions 1 trigger · 29 actions

- Trigger

**New View Record**

Fires when a new record appears in a Knack page view — polls a view's records (respects the view's access control and filters), the view-based counterpart to New Record.

- Action

**Create Record**

Add a new record to a Knack object. Provide field values as a JSON object keyed by field key (e.g. field_1).

- Action

**Create View Record**

create a record through a view, including inserting a connected record (view-based)

- Action

**Delete Record**

Delete a record from a Knack object by ID.

- Action

**Delete View Record**

delete a record through a view (view-based)

- Action

**Get Record**

Retrieve a single record by ID from a Knack object.

- Action

**Get View Record**

Retrieve a single record through a page view by its ID — returns only the fields exposed by the view and respects the view's access control, the view-based counterpart to Get Record.

- Action

**List Records**

Retrieve records from a Knack object, with optional paging and filters.

- Action

**List View Records**

retrieve records through a view (view-based, applies view permissions/filters)

- Action

**Update Record**

Update an existing record in a Knack object by ID.

- Action

**Update View Record**

update a record through a view (view-based)

- Action

**Upload File or Image**

upload a file or image asset to associate with a record field

- 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

- [ **Knack** Knack is an online database and app builder. Read and write records in your Knack objects.](https://apiant.ai/connections/knack)
- [ **fastbill** FastBill is a cloud app for German invoicing & accounting.](https://apiant.ai/connections/fastbill)

Reviews

## What our customers say

## More from Knack

- [ **Knack to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/knack-to-salesforce)
- [ **Knack to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/knack-to-slack)
- [ **Knack to Mailchimp** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/knack-to-mailchimp)
- [ **Knack to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/knack-to-stripe)
- [ **Knack to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/knack-to-shopify)
- [ **Knack to Pipedrive** Pipedrive is a sales CRM and pipeline management tool.](https://apiant.ai/connect/knack-to-pipedrive)

## 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

## Knack and fastbill, answered

###

### What can start an automation from Knack?

Any of Knack's 1 trigger in the catalog, including New View Record. Describe the moment in plain language and your agent picks the right one.

###

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

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 Knack?

fastbill has no triggers in the catalog today, so automations start in Knack. 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 Knack 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 Knack and fastbill without building an automation?

Yes. With your AI client connected to APIANT, ask it to do something in either app 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.
