Notion has no row-level security - share a DB and clients see everyone’s data. Portalize connects your Notion workspace and gives each client a login that shows only their rows, scoped server-side. You keep working in Notion; they get a branded portal. Free forever: 1 portal, up to 3 clients, no credit card.
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Agencies already run projects in Notion, then either share the whole database (and leak other clients’ data) or copy updates into email/Slack. Notion has no real row-level security for external clients — that gap is why I built Portalize.
Connect Notion, map which rows belong to which client, and each person gets a passwordless login that only shows their data — filtered on the server, not a view they can tweak. You keep working in Notion; nothing else moves.
Free forever for 1 portal and up to 3 clients. Happy to answer questions about scoping, Notion setup, or how this compares to Softr / SuperOkay / guest seats.