# Validate Portability

## GET or POST Request <a href="#get-or-post-request" id="get-or-post-request"></a>

{% hint style="info" %}
<https://v1.api19.com/lnp/portability/check>
{% endhint %}

Send us a GET or POST request with your key and the numbers to validate.

We will validate the portability of numbers and reply with all numbers are valid or errors.

<table data-header-hidden><thead><tr><th width="152.09088134765625"></th><th width="136.72723388671875"></th><th></th></tr></thead><tbody><tr><td>Argument</td><td>Required</td><td>Type</td></tr><tr><td>numbers</td><td>yes</td><td>comma list of numbers</td></tr><tr><td>key</td><td>yes</td><td>api key</td></tr></tbody></table>

{% tabs %}
{% tab title="Curl Post" %}

```php
curl -X POST https://v1.api19.com/lnp/portability/check \
 -d "numbers=3038821111,3035551212,3332221111" \
 -d 'key=your-key'
```

{% endtab %}

{% tab title="JSON Response" %}

```php
{
  "status": "ok",
  "data": {
    "message": "3035551111 is unsupported",
    "errors": {
      "3035551111": "3035551111 is unsupported"
    }
  }
}

OR

{
  "status": "ok",
  "data": {
    "message": "All numbers are valid",
    "errors": []
  }
}
```

{% endtab %}
{% endtabs %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://apidocs.api19.com/number-portability/validate-portability.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
