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Invoice Ninja integration

Free open-source invoicing tool

Start building Use Invoice Ninja with your AI
Actions
10
Triggers
0
Auth
Custom auth
License
MIT, open source
Updated
September 2026

About the Invoice Ninja integration

Add the Invoice Ninja piece to a flow, connect your account once, and the rest of the builder can read from it and write to it. Because the piece is open source you can run it on our cloud or self-host it, and combine Invoice Ninja with 760+ other apps in the same flow.

Actions

Everything Activepieces can do in Invoice Ninja

Drop any of these into a flow and fill in the fields. No code is required.

  • Create Task

    Creates a task instance in Invoice Ninja for billing purposes.

    5 fields

  • Check Task Existence

    Verify if a Task Already Exists

    1 field

  • Get Client Details from e-mail

    Gets the client details if they exist by e-mail.

    1 field

  • Get Invoices

    Gets data for invoices.

    3 fields

  • Get Report

    Gets report data from InvoiceNinja.

    3 fields

  • Create Invoice

    Creates an invoice in Invoice Ninja for billing purposes.

    10 fields

  • Create Client

    Creates a new client in InvoiceNinja.

    13 fields

  • Create Recurring Invoice

    Creates a recurring invoice in Invoice Ninja for billing purposes.

    12 fields

  • Perform Action on Recurring Invoice

    Actions include: start, stop, send_now, restore, archive, delete.

    2 fields

  • Custom API Call

    Make a custom API call to a specific endpoint

    10 fields

Invoice Ninja, answered.

Yes. Activepieces is open source and free to start, and the Invoice Ninja piece is included on every plan, from the free cloud tier to any self-hosted deployment.

Add the Invoice Ninja piece to a flow, then authenticate with Custom auth. Once connected, its 0 triggers and 10 actions are available anywhere in the builder.

Connect Invoice Ninja to any of 760+ other apps and AI steps, then automate the work in between without writing code.

Yes. Activepieces is fully self-hostable, so you can run the Invoice Ninja piece on your own infrastructure with your connections and your data staying in your environment.

Yes. Every piece you connect can be exposed over one Activepieces MCP server, so Claude, Cursor, Windsurf or any MCP client can call Invoice Ninja actions as tools.

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