Firmex API
Firmex has an API scoped to user provisioning, deprovisioning, and file sync with third-party apps. The public API page is marketing-level: no self-serve developer portal, no key issuance, no SDKs. Custom integrations are scoped through Firmex technical support.
Frequently asked questions
Firmex scores D on Supergood's API Report Card. Firmex has an API scoped to user provisioning, deprovisioning, and file sync with third-party apps. The public API page is marketing-level: no self-serve developer portal, no key issuance, no SDKs. Custom integrations are scoped through Firmex technical support.
Without a usable official API, teams fall back on manual exports, file drops, or one-off vendor integrations. The other option is an unofficial API layer like Supergood that automates the authenticated web app directly. Site terms may apply to any integration approach, and how they apply is a determination each team makes for itself.
Firmex is a virtual data room (VDR) provider used to securely share and manage confidential documents for M&A due diligence, fundraising, litigation, and other complex projects.
Virtual Data Rooms, Typically for M&A advisors, investment banks, law firms, and corporate development teams running confidential transactions and due diligence. Users create data rooms per deal, upload and organize confidential documents, set granular access permissions, invite counterparties, track viewing activity for due diligence, and manage Q&A workflows during transactions.
A recognized G2 Grid Leader for Virtual Data Rooms with a long track record; widely used in mid-market M&A and acquired by Datasite, indicating meaningful scale.
Yes, holds highly sensitive transaction documents, due-diligence files, access permissions, and audit/activity logs that are central to deals while a transaction is live.
~20 years old, founded ~2006. Established VDR; modern web app but some advanced features perceived as dated versus newer entrants. Acquired by Datasite.
No public self-serve developer portal; access/details require contacting Firmex. Custom integrations must be scoped via technical support rather than documented endpoints. Full sourced list under Sources below.
Common alternatives include Datasite, Intralinks, iDeals, Ansarada, DocSend. Graded alternatives appear under "More from the report card" below.
Supergood's grades measure one thing: can a customer's engineering team get their own data out programmatically? Supergood checks six things (whether a real API exists, how access is gated, data coverage, auth quality, docs and developer experience, and stability) and rolls them into a letter grade. Supergood re-verifies grades, and they only move on evidence.
Yes, via a managed API layer. Supergood builds REST APIs and MCP servers for authenticated enterprise web apps, so AI agents and internal tools can read and write data programmatically. Site terms may apply to any integration approach, and how they apply is a determination each team makes for itself.
Not that we could find. As of August 2026 there is no official Firmex MCP server in any public registry, and no maintained community server we're aware of. We re-verify this periodically — report an inaccuracy below if we missed one.
Not natively. Firmex doesn't publish an MCP server, so MCP clients like Claude, Cursor, and Codex have nothing to connect to out of the box. If that changes, this page will reflect it.