We generate information using Invantive from Exact Online. Would be great when we could export/import with Nextens.
Nextens use HTTP REST using token-based authentication on https://api.elseviernextens.nl.
The access token is valid for 30 minutes after acquisition using a POST to /token with:
client_id: the identifier of client app
client_secret: the secret code for client app
refresh_token: refresh token provided
The Nextens refresh token is valid for five years.
The API’s for sending client data to Nextens are:
It is unknown whether it is possible to upload BTW and/or ICP in addition to the customer data.