> For the complete documentation index, see [llms.txt](https://docs.sprinthub.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sprinthub.com/en/topics/api/api-api-call-to-retrieve-a-lead-id.md).
# API - API call to fetch a Lead ID
## Create a new user
`POST` `/leadsadvanced`
Full endpoint:
i = name of your instance
**You can search for the Lead ID by first name, last name, phone or email.**
**Body (below example in JSON)**
```javascript
{
"query": "{leads{id,fullname}}",
"page": 0,
"limit": 15,
"search": "551131818777"
}
```
**Headers**
| Name | Value |
| ------------- | ------------------ |
| Content-Type | `application/json` |
| Authorization | `Bearer ` |
| apitoken | XXXXXXX |
**Response**
{% tabs %}
{% tab title="200" %}
```json
{
"data": {
"leads": [
{
"id": 8473,
"fullname": "Marco Giroto"
}
]
}
}
```
{% endtab %}
{% tab title="400" %}
```json
{
"error": "Invalid request"
}
```
{% endtab %}
{% endtabs %}
**Example in Postman**
---
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