# Pagination

In Pay.io APIs pagination functionality is provided with **cursor pagination**. 

Cursor pagination is a method of paginating through large result sets using **encoded cursors** rather than page numbers. It is more efficient than traditional offset-based pagination, particularly for datasets that are frequently updated or high in volume.

***

### Request Format

The following fields are supported in the **request body:**

| Field    | Type               | Description                                              |
| -------- | ------------------ | -------------------------------------------------------- |
| `after`  | string (optional)  | The Cursor to paginate after (for forward pagination).   |
| `before` | string (optional)  | The Cursor to paginate before (for backward pagination). |
| `first`  | integer (optional) | Number of transactions to return.                        |
| `last`   | integer (optional) | Return the last N transactions (backward pagination).    |

#### Example Request 

Asking to return the first 10 transactions, after the fifth and before the 20th transaction. 

{% code overflow="wrap" lineNumbers="true" %}

```json
{
  "after": "5", 
  "before": "20", 
  "first": 10
}
```

{% endcode %}

***

### Response Format

The response is given in a `page_info` object, containing the following parameters:

| Field               | Type              | Description                                   |
| ------------------- | ----------------- | --------------------------------------------- |
| `end_cursor`        | string            | The cursor for the last item in the page.     |
| `has_next_page`     | boolean, required | Indicator, if more results are available.     |
| `has_previous_page` | boolean, required | Indicator, if previous results are available. |
| `start_cursor`      | string            | The cursor for the first item on this page.   |

Use `next_cursor` or `previous_cursor` in subsequent requests to navigate through the dataset.

 **Example response structure**

{% code lineNumbers="true" %}

```json
  "page_info": {
    "end_cursor": "dxM1QxNDowODoxNXwyMWFmYTc3OS1kMmYzLTQ1NGYtYTI3ZS0xOGUyM2MzZWQzMDA=",
    "has_next_page": false,
    "has_previous_page": false,
    "start_cursor": "dHJhbmY1MTFkYi00YWRlLTQwMWQtYTQ5YS1iMDhlOTJiOWYyM2Y="
  },
  "total_count": 4,
```

{% endcode %}

***


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