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New: a free website for your business, live in 48 to 72 hoursWorkflow automation on n8n and Claude, built for your businessFixed price, agreed before we start · Live in 5 to 10 business days30-day money-back guarantee on every planProfessional firms · Agencies · E-commerceYou own every workflow, in your own n8nClaude API: your data is not used for trainingHuman approval on every sensitive stepFree automation audit, no obligation
PURIST
30 days
Money-back window
14 h/wk
Modeled time saved
99.97%
Uptime SLA
< 7 days
Deploy time
PURIST AI
Claude Opus 4.7 · n8n v1.71 · <80ms
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Core concepts
Beginner

Filter node

A workflow step that stops execution if a condition is not met. Example: "Only continue if the deal value is greater than £5,000." Prevents unnecessary API calls and unwanted actions on irrelevant records.

Expert insight

A filter is a dead end by design, records that don't pass simply stop, with no branch to send them down. That's the right behavior when you genuinely want to discard non-matching records, but if you actually need to do something different with the ones that don't match (log them, notify someone, route them elsewhere), a router node is the correct tool, not a filter.

In a real workflow

A filter lets through only orders above $500 to the "high value" Slack channel.

Common mistakes

  • Filtering silently, so nobody knows how many records were dropped.
  • Filtering on fields that are sometimes empty.

Complexity level

Beginner

Anyone can understand this no technical background needed.

Quick facts

Category Core concepts
Level
Beginner

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