Getting Started

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Pay iO allows for e-commerce shops, custom applications and platforms to be able to process payments in a simple and convenient way using Open Banking protocols.

Register

First make sure you register your account for Pay iO. Once you have your account you need to register your business and get approved.

To use this Public API, you need to set-up your integration platform as Other

API key

Once your business has been approved and you have set-up your integration platform, you will be able to view and copy your API key.

Keep this key safe as it will be used for all the interactions between your platform and Pay iO.

Request using the API key

Authentify your requests by adding your API key to the the X-API-KEY header.

for instance to check your details:

Javascript

fetch('https://secure.payio.co.uk/api/merchant/details', {  headers: {    'X-API-KEY': '123456789abcdef',  },});            

cURL

curl --request GET 'https://secure.payio.co.uk/api/merchant/details' --header 'X-API-KEY: 123456789abcdef'                

PHP

$curl_h = curl_init('https://secure.payio.co.uk/api/merchant/details');curl_setopt($curl_h, CURLOPT_HTTPHEADER,    array(        'X-API-KEY: 123456789abcdef',    ));curl_setopt($curl_h, CURLOPT_RETURNTRANSFER, true);$response = curl_exec($curl_h);