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# Mark invoice as paid

> Book a payment received on an invoice, on a payment account and date. Input schema, a tools/call example and an example result.

Source: https://cotlet.dev/docs/mcp/sevdesk/mark_invoice_paid

Docs sections: [Get started](https://cotlet.dev/docs.md) · [REST API](https://cotlet.dev/docs/api.md) · [MCP](https://cotlet.dev/docs/mcp.md) · [SDKs & CLI](https://cotlet.dev/docs/sdks.md) · [Integrations](https://cotlet.dev/docs/integrations.md)

Book a payment received on an invoice, on a payment account and date.

sevdesk MCP tools: https://cotlet.dev/docs/mcp/sevdesk.md

MCP tool: `sevdesk_write → mark_invoice_paid`

Access: write. Confirm: waits for the user's OK before it runs.

Books a payment on an invoice, like Zahlungseingang buchen. The amount defaults to the open total; pass a smaller amount for a partial payment. All reminders linked to the invoice change to paid as well. By default you confirm each call; you can switch that off for this tool.

## Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `invoice_id` | string | yes | Invoice ID from list_invoices. |
| `payment_account_id` | string | yes | Payment account ID from list_payment_accounts. |
| `paid_on` | date | no | Payment date. Default: today. |
| `amount` | number | no | Amount received. Default: the open total of the invoice. |

## tools/call

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "sevdesk_write",
    "arguments": {
      "operation": "mark_invoice_paid",
      "arguments": {
        "invoice_id": "invoice_8c41d2",
        "payment_account_id": "payment_account_8c41d2"
      }
    }
  }
}
```

## Example response

```json
{
  "content": [
    {
      "type": "text",
      "text": "{ ... same JSON as structuredContent ... }"
    }
  ],
  "structuredContent": {
    "invoice_id": "41872618",
    "invoice_number": "RE-1031",
    "status": "paid",
    "booked_amount": 226.1,
    "currency": "EUR",
    "paid_on": "2026-10-13",
    "payment_account": "PayPal"
  },
  "isError": false
}
```

Previous: [Create payment reminder](https://cotlet.dev/docs/mcp/sevdesk/create_payment_reminder.md)
Next: [Cancel invoice](https://cotlet.dev/docs/mcp/sevdesk/cancel_invoice.md)

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## For AI agents: sign your user up

Is your user asking you to sign them up for Cotlet? You can do it for them, no account or key needed.

1. Read the fields and their allowed values: GET https://cotlet.dev/api/v1/access-requests
2. Ask the user for each value: email, apps, what you will do with them. If they leave the password to you, generate a strong one and show it to them.
3. Show the user what you will send, then POST it as JSON to https://cotlet.dev/api/v1/access-requests.

One call creates the account and sends the access request; we email the user when access is granted.