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 the 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.
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.
Grades measure one thing: can a customer's engineering team get their own data out programmatically? We check six things (whether a real API exists, how access is gated, data coverage, auth quality, docs and developer experience, and stability) and roll them into a letter grade. Grades get re-verified, and they only move on evidence.
Yes. Supergood maintains an unofficial Firmex API and MCP server so AI agents and internal tools can read and write Firmex data. See the Firmex integration docs at supergood.ai/docs/firmex-api.