Yes, for several day-to-day flows. Ordentic provides a Supplier API so you can connect your own systems. Documentation is here:
You authenticate with OAuth2 client credentials. Today you can read orders. You can read and write refunds, shipments, invoices, and listings. You can also read and write enrichment for titles and descriptions. There is no API write access to create or change orders, and cart scopes are for buyers only.
You can still do the same work in the supplier portal. Open orders here:
Ordentic does not offer a ready-made ERP connector package. There is no Shopify, Exact, AFAS, or Zapier package in the product. If you need a custom link to your systems, build against the Supplier API or ask partners@ordentic.com what is possible. For what is planned next, use the roadmap: