# Flatkey

> AI infrastructure platform sharing a $10 million Series A financing with sister company Realset AI.

## Why it is interesting

Developer infrastructure plus real-world training data creates a useful AI-infrastructure entity, but the financing spans two related companies and should be modeled carefully.

## Profile

- **Latest funding:** Joint Series A with Realset AI — $10M combined (September 23, 2026)
- **Latest known valuation:** Not publicly disclosed
- **Total disclosed equity funding:** $10M
- **Stage:** series-a
- **Status:** private
- **Industries:** N/A
- **Coverage:** full
- **Last updated:** 2026-09-30

## Key facts

- Sep 23, 2026: $10M joint Series A with Realset AI
- Do not attribute the full $10M solely to Flatkey

## Funding history

- Joint Series A with Realset AI · $10M combined · September 23, 2026
  Source: https://tigi.global/articles/realset-ai-flatkey-raise-10-million-series-a-real-world-training-data

**By:** [Venture Capital Tracker](https://venturecapitaltracker.com/editorial-policy)
**Last updated:** September 30, 2026

**Editorial note:** AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.

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Source: https://venturecapitaltracker.com/startup/flatkey