Reference5 min readUpdated 2026-06-29
GCP Pub/Sub in n8n: One-Page Cheatsheet
Every GCP Pub/Sub node option, expression, and gotcha on one page. Bookmark it.
Key takeaways
- Native node covers 80% of GCP Pub/Sub cases.
- HTTP Request handles the last 20%.
- Optional-chaining prevents null crashes.
- Timezone bugs are always the answer.
This cheatsheet is the fastest reference for the GCP Pub/Sub node in n8n. Print it, pin it, ship faster.
Node reference
Every GCP Pub/Sub operation, its inputs, and its return shape. If it's missing, use the HTTP Request node with the GCP Pub/Sub REST API.
Expressions
Common expressions for GCP Pub/Sub: pulling nested fields, formatting dates, handling nulls with optional-chaining. Copy-paste and adapt.
Gotchas
Rate limits, timezone drift, and pagination edge cases. Each has a one-line fix.
Advanced
Bulk writes, custom fields, and multi-account setups. Rare but critical when you hit them.
Frequently asked questions
- Do I need to memorize this?
- No. Bookmark it and search when stuck.
- Can I contribute?
- Yes — PRs welcome on our GitHub.
- Is this always up to date?
- We update on every major n8n release.
- Print-friendly?
- Yes — the page is styled for A4 printing.