All API requests should have the "X-API-Key" HTTP Header.
To generate a new API Key, login to your Remarkety account, go to Settings > API Keys.
Under Create a new token enter a note about the API Key so it will clear in the future what this key is used for (for example: crm-integration), and click "Generate Token".
This API Key is on attached to your user. The API Key can be used to access the data on any store connected to your Remarkety user. So keep it safe.
All API requests must include a specific store id in the API URLs.
The store id can be found on the API Keys page on your Remarkety account, to find it, go to Settings > API Keys.