The Lopay Partner API uses API keys to allow access to the API. All partners will be provided a unique API key.Your API key must be included in all API requests to the server. The API key should be provided in the x-api-key header of the request. Omission of the header will result in the requests being rejected.Provisioning an API Key#
The provisioning of API keys is not currently self-served. If you are interested in getting access to the API, please reach out to sales@lopay.com.Regions#
Lopay operates in two regions, the US and UK.Each Lopay API key is region locked to one of the regions. This means that a US API key will not work within the UK region, and vice versa. If you require access to multiple regions, please request additional API keys to be provisioned.Merchant Actions#
Some endpoints perform action against a target merchant. For those endpoints you must include an x-merchant-id header. The header value must be the target merchant ID.Only merchants that are linked to your partner entity are accessible via your API key. Modified at 2026-03-04 13:07:09