An iPaaS, short for integration platform as a service, is cloud software that connects your business apps so data and actions move between them without custom code. The platforms below fall into two camps, self-serve and enterprise-sold, so work out which camp you're in before you compare anything else.
The 'platform as a service' half of that name is older than the category. NIST's definition of cloud computing sets out five essential characteristics, three service models and four deployment models, and platform as a service is one of those three models. NIST doesn't define iPaaS itself, so treat the term as a label the vendors built on top of that idea: someone else runs the platform, and you build on it.
Here's the part most comparison pages skip. Two tools can both be called iPaaS and have almost nothing in common as purchases. One you can sign up for over lunch. The other starts with a sales conversation and a project. If you compare them feature by feature you'll waste a week, because you're not choosing between them at all. You're choosing which kind of buyer you are.
The self-serve camp: you can start this afternoon
Zapier and Make both publish their plans and let you begin without talking to anyone. That matters more than any feature list if you're a founder, a marketer or a small operations team. You can connect two apps, see whether the thing works and walk away if it doesn't.
Smaller makers sit in this camp too. Latenode and viaSocket both say you can start free, and they're worth a look if you'd rather not begin with the biggest names. Albato is a different job altogether: it's an embedded iPaaS, for SaaS companies that want integrations inside their own product.
The limit to watch is usage. Self-serve plans are metered, and a free allowance that looks generous for one workflow can disappear once a busy form or a noisy CRM starts firing it. So before you commit, count how many times a day your workflow would run, then read the plan's limits with that number in your hand.
If what you're after is mostly tidying up repeat tasks, our list of workflow automation tools comes at this from the process side, where this page is about connecting the apps underneath.
The enterprise-sold camp: expect a conversation first
Workato and Boomi sit at the other end, along with the rest of the names marked enterprise-sold in the table below. These vendors describe platforms for large organisations and sell through sales teams, so you won't find a plan to click on, and you'll need someone inside your business who can own the project.
The pitch in this camp has shifted. Look at how these companies describe themselves now and you'll see AI agents, governance and control over what AI is allowed to touch, sitting right next to the older language of APIs and EDI. Those are vendor claims and you should treat them as claims. Still, they tell you what these vendors think their buyers are worried about, and they give you a useful first question for any demo: show me what an agent can and can't reach, and who decides.
One more distinction will save you a wrong turn. If your job is moving data into a warehouse for reporting, that's a data integration problem and a different shopping trip. An iPaaS is for connecting apps and workflows. And if you're exposing your own services to outsiders, you may want a look at API gateways instead, since those manage the front door and don't wire your apps together.
Ten platforms side by side
These are in no particular order of merit. They're simply alphabetical, and nobody's been crowned.
| Tool | Camp | How it describes itself |
|---|---|---|
| Albato | Embedded | White-label integrations you add inside your own SaaS product |
| Boomi | Enterprise-sold | Integration, data readiness and agent management on one platform |
| Celigo | Enterprise-sold | Integrations, APIs, EDI, data and AI agents |
| Jitterbit | Enterprise-sold | Integrate, orchestrate and automate across departments |
| Latenode | Self-serve | No-code agents, automations and apps for business |
| Make | Self-serve | Visual automation builder with published plans |
| Tray | Enterprise-sold | Integrations, automation, AI agents and MCP governance |
| viaSocket | Self-serve | Connects apps to your product or AI agent |
| Workato | Enterprise-sold | Connects SAP, Salesforce and SaaS tools without custom code |
| Zapier | Self-serve | Automation platform with published tiers |
What each one suits
Albato
Best for: SaaS companies wanting white-label integrations inside their own product without a dev team; the vendor says it offers 1,000+ native integrations.
Boomi
Best for: Hybrid enterprises wanting integration, data readiness and agent management in one place, which is how the vendor pitches itself.
Celigo
Best for: Companies running integrations, APIs, EDI and AI agents together; the vendor says it gives you control over what AI can access and do.
Jitterbit
Best for: Organisations automating across departments on one platform; the vendor positions its Harmony product as easy to use.
Latenode
Best for: Small businesses wanting AI agents and automations without developers; the vendor says you can start free with no API keys or extra subscriptions.
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Make
Best for: Builders who like to see a workflow laid out visually; its site offers 'Get started free' and plans up to whole-business automation.
Tray
Best for: IT groups putting rules around AI-built apps; the vendor describes a governed runtime alongside integrations and automation.
viaSocket
Best for: Builders of an app or AI agent who'd rather not write the connections; the vendor claims 2,300+ apps and says it's free to start.
Workato
Best for: Businesses linking SAP, Salesforce and other SaaS tools without custom code, which is how its own iPaaS guide explains the job.
Zapier
Best for: Small teams taking a first step; as of Nov 2026 its site lists a free plan with 100 tasks a month and published tiers above it.
My advice on which camp to shop in
If you're a small business and you can describe your workflow in one sentence, stay in the self-serve camp and don't let anyone talk you upwards. You'll know within a day whether it does the job, and you've risked very little.
If you've got ERP systems, EDI partners or security people who need answers, you're in the enterprise camp whether you like it or not. Then I'd shortlist by what you're connecting: Jitterbit for the broad integrate-everything job, Celigo or Tray if control over AI is what keeps you up at night. Don't sign anything until you've seen your own hardest connection running in a demo, because a clean slide tells you nothing about your messy systems.
What I wouldn't do is start in the middle, buying an enterprise platform for a problem that a self-serve tool would've solved, or stretching a self-serve account across a business that needs governance. Both mistakes are painful to unpick, and both come from skipping the first question.
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Three iPaaS questions I'd settle first
What does iPaaS stand for?
It stands for integration platform as a service. It's cloud software for connecting business apps so that data and actions pass between them, usually without custom code.
Is an iPaaS the same as a data integration tool?
Not quite. A data integration tool is mainly about moving data, often into a warehouse. An iPaaS is about connecting apps and workflows, though some enterprise vendors now describe doing both.
Can a small business use an iPaaS?
Yes, and the self-serve end of the market is built for that. Start with a single workflow, count how often it runs, and check that number against the plan's limits before you build more.
