n8n IF Node: Conditional Routing Guide for 2026

Quick answer: use the n8n IF node when one workflow needs different paths for different data

The n8n IF node checks incoming data and sends each item down a true or false branch. Use it when a workflow needs to treat leads, tickets, invoices, alerts, or errors differently without creating separate workflows for every case.

For Synta teams building production automations, the IF node is usually the difference between a demo workflow and a reliable operating system: it prevents expensive API calls on bad data, routes urgent records faster, and keeps failures visible.

What the n8n IF node does

The IF node evaluates one or more conditions against fields from previous nodes. Each item that matches the condition goes to the true output. Items that do not match go to the false output. From there, each branch can run its own actions.

• Route qualified leads to enrichment while sending unqualified leads to a nurture list
• Only call an LLM when a support ticket has enough context
• Skip rows that are missing email, company, or required IDs
• Escalate failed payments, overdue invoices, or VIP customers

When to use IF vs Switch vs Filter

Use IF for simple true-or-false decisions. Use Switch when you have three or more named routes, such as plan type, region, or ticket category. Use Filter when you only want to keep matching items and drop the rest.

How to configure the IF node step by step

Add the IF node after the data-producing node, choose the field to inspect, select the comparison type, enter the value to compare against, then test both outputs with pinned sample data before activating.

Example 1: qualify leads before enrichment

If email exists, company exists, and source is not spam, route the lead to enrichment and CRM creation. Otherwise send it to a cleanup sheet. This avoids wasting enrichment credits on junk records.

Example 2: route urgent support tickets

If priority equals high or the customer plan equals enterprise, route the ticket to Slack and your helpdesk escalation queue. Otherwise create the standard ticket and wait for the next support sweep.

Example 3: stop bad API payloads

If a required ID is missing, send the item to a logging node and stop the branch. If the ID exists, continue to the API call. This keeps bad data from turning into noisy production errors.

Common IF node mistakes

Most IF node bugs come from comparing the wrong data type, checking a field path that does not exist, or only testing the true branch. Strings that look like numbers are still strings unless you convert them.

IF node best practices for production workflows

• Name the node after the business decision, not just “IF”
• Keep each condition readable and avoid stacking unrelated decisions into one node
• Log or store rejected items so failures do not disappear
• Test both branches with realistic data before activating
• Add a final merge only when both branches produce compatible output

How Synta fits into IF node workflows

Synta helps teams turn messy workflow ideas into production-ready n8n automations. Conditional routing is one of the first places Synta can reduce breakage: it can generate branch logic, explain why a route failed, and help operators debug workflows without digging through every node manually.

FAQ

Is the n8n IF node the same as a filter?

No. A filter keeps or removes items. The IF node creates true and false paths so each group can receive different actions.

Can the IF node check multiple conditions?

Yes. You can combine conditions with AND or OR logic, but keep complex decision trees readable by splitting them into multiple named nodes.

Why is my n8n IF node always false?

The most common causes are an incorrect field path, comparing a string to a number, or testing with data that does not contain the expected field.