Riiid
Riiid (now operating as Socra AI) is an AI education technology company whose proprietary deep-knowledge-tracing and score-prediction models power adaptive learning. Its consumer product Santa (AI TOEIC / TOEFL test prep) and its R.Inside AI-as-a-Service offering bring real-time student modeling to
Riiid is an API provider whose private shares are listed on 1 secondary market: EquityZen.
Riiid publishes 1 API indexed on the APIs.io network.
Where It Trades
Listing data is compiled from the public marketplace pages of Forge Global, Hiive, EquityZen, Nasdaq Private Market, and Augment. A listing indicates that a venue has published a page for this company — it is not an offer, a quote, or investment advice, and APIs.io has no affiliation with any venue.
Work with this as data
Every listing here is available over the APIs.io API and to AI agents over MCP. Secondary Market is not yet its own endpoint on the v1 API. Reach it through catalog search and the tag graph, or the MCP server.