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# Add estimate option

> Add a named option with its own line items to a draft estimate. Inputs, cURL, Python and Node.js examples and an example response.

Source: https://cotlet.dev/docs/api/housecall-pro/add_estimate_option

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)

Add a named option with its own line items to a draft estimate.

Housecall Pro API: https://cotlet.dev/docs/api/housecall-pro.md

`POST https://cotlet.dev/api/v1/housecall-pro/estimates/{estimate_id}/option`

Access: write.

Adds one option, with its own line items and total, to an estimate, the same as + New option on the Estimate details page. It reaches no one: the option stays on the estimate until send_estimate runs. Remove an option in Housecall Pro from the three-dot menu on its tab, Delete. add_estimate_option runs without asking first for that reason.

## Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `estimate_id` | string | yes | Estimate ID from list_estimates or create_estimate. |
| `name` | string | yes | Option name, for example 'Better'. |
| `line_items` | object[] | yes | Lines to add: name, quantity and unit_price, or price_book_id from list_price_book. A line that names a price book item uses its price unless you set unit_price. |

## Request

**cURL**

```bash
curl -X POST https://cotlet.dev/api/v1/housecall-pro/estimates/est_8e41c2/option \
  -H "Authorization: Bearer $COTLET_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"name":"Tankless unit","line_items":[{"name":"Tankless water heater, installed","quantity":1,"unit_price":3900}]}'
```

**Python**

```python
result = client.call("housecall-pro", "add_estimate_option", {"estimate_id":"est_8e41c2","name":"Tankless unit","line_items":[{"name":"Tankless water heater, installed","quantity":1,"unit_price":3900}]})
```

**Node.js**

```js
const result = await cotlet.call('housecall-pro', 'add_estimate_option', {"estimate_id":"est_8e41c2","name":"Tankless unit","line_items":[{"name":"Tankless water heater, installed","quantity":1,"unit_price":3900}]});
```

**CLI**

```bash
cotlet call housecall-pro add_estimate_option --data '{"estimate_id":"est_8e41c2","name":"Tankless unit","line_items":[{"name":"Tankless water heater, installed","quantity":1,"unit_price":3900}]}'
```

## Example response

```json
{
  "estimate_id": "est_8e41c2",
  "option_id": "opt_3",
  "name": "Tankless unit",
  "line_items": [
    {
      "name": "Tankless water heater, installed",
      "quantity": 1,
      "unit_price": 3900
    }
  ],
  "total": 3900
}
```

Previous: [Create estimate](https://cotlet.dev/docs/api/housecall-pro/create_estimate.md)
Next: [Send estimate](https://cotlet.dev/docs/api/housecall-pro/send_estimate.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.