> For the complete documentation index, see [llms.txt](https://docs.n8n.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.n8n.io/integrations/builtin/app-nodes/n8n-nodes-base.invoiceninja.md).

# Invoice Ninja

Use the Invoice Ninja node to automate work in Invoice Ninja, and integrate Invoice Ninja with other applications. n8n has built-in support for a wide range of Invoice Ninja features, including creating, updating, deleting, and getting clients, expense, invoice, payments and quotes.

On this page, you'll find a list of operations the Invoice Ninja node supports and links to more resources.

{% hint style="info" %}
**Credentials**

Refer to [Invoice Ninja credentials](/integrations/builtin/credentials/invoiceninja.md) for guidance on setting up authentication.
{% endhint %}

## Operations <a href="#operations" id="operations"></a>

* Client
  * Create a new client
  * Delete a client
  * Get data of a client
  * Get data of all clients
* Expense
  * Create a new expense
  * Delete an expense
  * Get data of an expense
  * Get data of all expenses
* Invoice
  * Create a new invoice
  * Delete a invoice
  * Email an invoice
  * Get data of a invoice
  * Get data of all invoices
* Payment
  * Create a new payment
  * Delete a payment
  * Get data of a payment
  * Get data of all payments
* Quote
  * Create a new quote
  * Delete a quote
  * Email an quote
  * Get data of a quote
  * Get data of all quotes
* Task
  * Create a new task
  * Delete a task
  * Get data of a task
  * Get data of all tasks

## Templates and examples <a href="#templates-and-examples" id="templates-and-examples"></a>

[Browse Invoice Ninja node documentation integration templates](https://n8n.io/integrations/invoice-ninja) or [search all templates](https://n8n.io/workflows/)

If this node doesn't support the operation you want to do, you can use the [HTTP Request node](/integrations/builtin/core-nodes/n8n-nodes-base.httprequest.md) to call the service's API.

You can use the credential you created for this service in the HTTP Request node:

1. In the HTTP Request node, select **Authentication** > **Predefined Credential Type**.
2. Select the service you want to connect to.
3. Select your credential.

Refer to [Custom API operations](/integrations/builtin/custom-api-actions-for-existing-nodes.md) for more information.