Founders we’ve worked with
Achira
Drug discovery combining AI and physics simulation
2024 - 2026
$33M seed (Dimension, Amplify Partners, Compound, NVentures), 2025 (via The Recursive)
AgelessRx
Longevity telehealth e-commerce platform
2025 - Ongoing
Akita
API observability platform
2021 - 2023
- Acquired by Postman, 2023 (via Akita Blog)
Amber Bio
RNA gene-editing medicines
2021 - Ongoing
- $26M seed, 2023 (via Businesswire)
Anyplace
Furnished flexible housing for remote workers
2020 - 2025
- $5.3M raise, 2022 (via TechCrunch)
- $8.27M Series B, 2023 (via TechCrunch)
BoomPop
AI corporate-events and group-travel platform
2025
Cabana
Tech-enabled pool-services roll-up
2025
Captions
AI video creation and editing app, now known as Mirage
2021 - 2025
- $25M Series B, led by Kleiner Perkins (Sequoia, a16z, SV Angel), 2023 (via Businesswire)
- Awwwards Site of the Day and Developer Award, Zypsy credited, 2023 (via Awwwards)
- $60M Series C led by Index Ventures at a $500M valuation, 2024 (via Index Ventures)
- Hired ex-DeepMind Drew Jaegle as Head of AI and acquired AlpacaML, 2024 (via Captions blog)
- Rebranded from Captions to Mirage, 2025 (via Captions blog)
Character.ai
AI characters anyone can talk to
2023
- $150M Series A led by a16z at a $1B valuation, 2023 (via CNBC)
Cortex
Internal developer portal for microservices
2020 - 2024
- $35M Series B, 2023 (via TechCrunch)
- $60M Series C at a $470M valuation, led by Scale Venture Partners, with Adobe, Grammarly and Opendoor named as customers, 2024 (via Bloomberg)
Covalent
Web3 blockchain data infrastructure
2024
Crystal DBA
AI database administrator for PostgreSQL
2023 - 2025
- Acquired by Temporal Technologies, 2025 (via Dealroom)
DelightX
Startup Program
2026 - Ongoing
E3 Tech
AI-powered platform rolling up US services businesses
2024 - 2025
- a16z investment and acquisition of Sylvan Inc., 2025 (via a16z)
Eight Sleep
Smart mattress that regulates temperature and tracks sleep
2024
- $100M raise, 2025 (via TechCrunch)
- $50M raise at a $1.5B valuation, 2026 (via Crunchbase News)
Eve
AI-native case platform for plaintiff law firms
2024 - 2025
- $47M Series A, led by a16z, 2025 (via SiliconANGLE)
- $103M Series B led by Spark Capital at a $1B valuation, 2025 (via Bloomberg)
Exein
Firmware security for embedded and IoT devices
2024 - 2025
- €15M Series B, 2024 (via United Ventures)
- €70M Series C, 2025 (via Exein blog)
Formless
Web3 creator network behind the SHARE Protocol
2024
Icarus
Autonomous solar-powered stratospheric aircraft for surveillance and connectivity
2026 - Ongoing
ModernFi
Deposit network for banks and credit unions
2022 - 2024
- $18.7M Series A, led by Canapi Ventures, 2024 (via Businesswire)
Momento
Serverless caching and messaging
2021 - 2023
- $15M Series A, 2024 (via GeekWire)
Morpheus
AI lab building real-time interactive video world models
2025 - 2026
Nash
Last-mile delivery orchestration across 500+ providers
2021 - 2024
- $20M Series A ($27.8M total), led by a16z, 2022 (via TechCrunch)
Numeric
AI accounting automation for enterprise finance teams
2022 - 2025
- $10M seed, 2024 (via PR Newswire)
- $28M Series A, 2024 (via TechCrunch)
- $51M Series B, 2025 (via PR Newswire)
Podium
Software-driven automation for industrial
control-panel manufacturing
2026
- $18M Series A, led by Construct Capital, 2026 (via PR Newswire)
Replay
Time-travel debugging for web applications
2021
- a16z investment, 2021 (via a16z)
Robust Intelligence
Security and validation for enterprise AI models
2019 - 2024
- $30M Series B, 2021 (via TechCrunch)
- Acquired by Cisco for ~$400M, announced August 26, 2024, closed September 24, 2024 (via Calcalist)
- Zypsy designed the logo for Foundation AI, Cisco's security-AI team that grew out of the acquisition, 2025
Sazabi
AI-native, logs-first observability platform
2025 - 2026
- $8M seed, led by J2 Ventures, Village Global and YC, 2026 (via PR Newswire)
Solo.io
API gateways and service mesh for cloud-native applications
2024 - Ongoing
- Launched Zypsy-designed rebrand at KubeCon North America, 2024
- Launched Agent Gateway and introduced Agent Mesh, described as the industry's first complete connectivity solution for AI-agent ecosystems, 2025 (via GlobeNewswire)
- Donated agentgateway to the Linux Foundation, with public endorsements from Dell, CoreWeave, Akamai, Microsoft and T-Mobile, 2025 (via Linux Foundation)
- Agentgateway passed 1,000 GitHub stars within its first six months, 2025 (via Solo.io blog)
- Launched Solo Enterprise for agentgateway and Solo Labs for MCP, 2025 (via GlobeNewswire)
Spice AI
Open-source data and AI infrastructure
2022 - 2025
- $13.5M seed, 2022 (via Businesswire)
Stemma
Managed data catalog built on open-source Amundsen
2021 - 2023
Tabula Bio
AI genome design for precision antimicrobial therapies
2026
The Better Money Company
Clearinghouse for dollar-backed stablecoins
2025 - 2026
- $10M seed, led by a16z crypto, 2026 (via a16z crypto)
Tutor Intelligence
AI robot workers (Robots-as-a-Service) for factories and warehouses
2025 - 2026
- $34M Series A, led by Union Square Ventures, $42M total funding, 2025 (via Businesswire)
Tribe Capital
Venture firm investing through data science
2025 - 2026
ZettaJoule
On-site advanced nuclear power, heat, and hydrogen
2025 - Ongoing
- Awwwards Site of the Day and Developer Award (Zypsy credited), 2026 (via Awwwards)
Zuplo
Programmable, edge-native API management
2021 - 2024
Zylon
Private, self-hosted GenAI workplace assistant
2023 - 2024