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OneHazel, explained

Every vendor you use, working as one.

OneHazel is where integration starts. It's the lowest-effort way to connect the tools you already run, with no specialist team and no big upfront commitment.

01The problem

Connecting your tools usually means months of specialist work.

Every vendor speaks a different language. Wiring them together by hand is slow, expensive and breaks the moment an API changes. OneHazel turns that tangle into a single, clean connection.

The OneHazel agents reading a vendor's API docs and building the connector

The agents building a connector from a vendor's API docs.

02What it is

A team of AI specialists that builds and looks after your integrations for you.

Connect

Point us at a vendor. The agents build a working connection.

Automate

Build workflows across vendors with no code.

Maintain

We watch every connection and repair it when an API drifts.

03Why start here

The easiest first step, that you never outgrow.

Start free, today

No card, no procurement. Point us at a vendor and the agents build the connection, no engineering from you.

No specialist team

The agents do the engineering. You focus on the outcome.

Grows with you

Move up tiers as your needs deepen. Your data stays portable.

04What changes for your business
Launch faster

Replace months of specialist work with a setup you can start today, and beat competitors to market.

Spend less to begin

Replace a six-figure build with a free plan and predictable tiers.

Carry less risk

Connections are monitored and repaired before they turn into an incident.

No key-person risk

Integration knowledge lives in the platform, not in one engineer's head.

05The numbers that matter
AI-built
every connector
€0
to start on the free tier
EU
hosted and GDPR-ready
Award-winning startup
WINNERSiGMA AsiaPitch2026WINNERNext.ioPitch2026
06Common questions
No. OneHazel connects the vendors you already run rather than replacing them, it sits alongside your stack and makes everything work as one.
The agents monitor every connection and repair it when an API drifts, usually before you ever notice. Maintenance is part of the platform, not your to-do list.
No. You do not need to put engineers on integration work to get started. Point us at a vendor and the agents build the connection, so your team stays focused on your product, not the communication between tools.
Yes. Everything is EU-hosted and GDPR-ready, and your data stays yours, portable on your terms as your needs grow.

See OneHazel in action.

Don't take our word for it. Point us at a vendor's API docs on the free tier and watch the agents build the connector, or book a walkthrough with the team.