What they do:
Automate bug resolution
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HQ: New York, NY, United States
Top Developer Tools Startups in New York
This list has 75 startups and was last updated on Oct 15, 2026. 17 of them are hiring right now. Largest teams: Fullstack Academy, InfluxData, and Ribbon Health.
75 startupsPage 2 of 3
What they do:
AI Agent for DevOps Workflow Automation
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HQ: New York, NY, United States
What they do:
Build interactive applications that run anywhere
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HQ: New York, NY, United States
What they do:
Custom video detection models in less than 5 minutes
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HQ: New York, NY, United States
What they do:
Replay real customer journeys against every change before you ship
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HQ: New York, NY, United States
What they do:
OpenRouter for Integrations
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HQ: New York, NY, United States
What they do:
AI + human review to solve data cleaning - accessible via API or Excel
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HQ: New York, NY, United States
What they do:
A better GItHub
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HQ: New York, NY, United States
What they do:
Privileged Access Management for AI Agents
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HQ: New York, NY, United States
What they do:
Code review platform for humans and agents
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HQ: New York, NY, United States
What they do:
Durable state for AI agents
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HQ: New York, NY, United States
What they do:
Gives non-technical team members agents that work right out of the box
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HQ: New York, NY, United States
What they do:
Managed GPU-accelerated Spark + SQL at 2x speed and half the cost
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HQ: New York, NY, United States
What they do:
Insurance Billing APIs for Healthcare Businesses
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HQ: New York, NY, United States
YC S12Growth stage
What they do:
Open-source agentic security automation platform
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HQ: New York, NY, United States
YC W24Early stage
What they do:
Persistent sandboxes for agents like hermes, openclaw, claude code
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HQ: New York, NY, United States
YC F26Early stage
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HQ: New York, NY, United States
YC W23Early stage
Fullstack Academy
Acquired
What they do:
Pioneer in immersive code education. Acquired by Zovio (NASDAQ: ZVO)…
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HQ: New York, NY, United States
Ribbon Health
Acquired
What they do:
Health enterprise API for data on doctors, insurance, costs, & quality
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HQ: New York, NY, United States
Metaplane
Acquired
What they do:
Data observability for modern data teams
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HQ: New York, NY, United States
Fern
Acquired
What they do:
Instantly offer SDKs and API Docs
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HQ: New York, NY, United States
Aptible
Acquired
What they do:
The No Infrastructure Platform as a Service
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HQ: New York, NY, United States
CodeStream
Acquired
What they do:
CodeStream is a Developer Collaboration Platform designed to…
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HQ: New York, NY, United States
Weav
Acquired
What they do:
Weav is the universal API for commerce platforms
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HQ: New York, NY, United States
Avenue
Acquired
What they do:
Observability platform for operations teams
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HQ: New York, NY, United States
Sohar Health
Acquired
What they do:
AI-powered insurance verification to boost patient conversion.
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HQ: New York, NY, United States
Decent
Acquired
What they do:
Cross-chain routing + trading APIs. One-click transactions with any…
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HQ: New York, NY, United States
Optic
Acquired
What they do:
Making APIs Developer-friendly
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HQ: New York, NY, United States
Jitsu
Acquired
What they do:
Open-Source CDP (acquired by Helium Ventures)
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HQ: New York, NY, United States
Trigo
Acquired
What they do:
Rent verification API for landlords and lenders
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HQ: New York, NY, United States
Glide
Acquired
What they do:
Crypto Deposits, Wallet Funding, and Pay-with-crypto Infra
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HQ: New York, NY, United States
Fuse
Shut down
What they do:
Unified API for financial data aggregators.
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HQ: New York, NY, United States
Ploomber
Shut down
What they do:
Heroku for AI
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HQ: New York, NY, United States
Unflow
Shut down
What they do:
The next generation CMS built for mobile apps
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HQ: New York, NY, United States
Contrast
Shut down
What they do:
Developer Handoff - Reimagined for Storybook
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HQ: New York, NY, United States
Smobi
Shut down
What they do:
Send texts your customers actually want over RCS
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HQ: New York, NY, United States