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AdvancedPremiumContent GenerationWebhook trigger24 nodes

Digest long emails with PostgreSQL and Slack

Fires the moment a webhook arrives across PostgreSQL, Slack and Google Sheets, pulls structured fields out of free text, then branches on the check before anything is written. Built for blog posts, around a "Collect Raw Text" step, in 24 documented nodes.

Digest long emails with PostgreSQL and Gmail. An original, ready-to-import n8n workflow built around the 'AI Summarize & Route' pattern for content creation & media. It fires on a webhook and orchestrates 24 nodes across PostgreSQL, Slack, Google Sheets. It uses n8n's LangChain AI nodes (Agent/Chain + chat model). Retry-on-fail is enabled on external calls. Import the JSON, add your credentials, and adapt the parameters. Your team sees the right data at the right time.

Key benefits

  • Keeps PostgreSQL and Slack in step for blog posts, without anyone re-typing a row
  • Safe to re-run: records already in PostgreSQL or Slack are skipped, across all 24 nodes of this blog-posts build
  • A failed PostgreSQL or Slack call is retried rather than dropped, at any of the 24 nodes in this blog-posts build
  • Branches rejoin before PostgreSQL, so a blog-posts run reports once rather than 24 times
  • Every blog-posts run leaves an audit row behind, alongside PostgreSQL

Use cases

  • Teams keeping PostgreSQL and Slack aligned by hand for blog posts
  • Pushing blog-posts events into PostgreSQL and Slack the moment they land, not on the next poll
  • Blog posts work where "Collect Raw Text" is still a manual step before PostgreSQL
  • Blog posts work that only reaches PostgreSQL when a webhook arrives, when someone remembers to start it

Integrations

PostgreSQLSlackGoogle SheetsHTTP / REST APIGmailOpenRouter

Workflow preview (24 nodes)

The template's actual node layout and connections. Node parameters and credential slots unlock with the download.

Receive Inbound WebhookWebhookCollect Raw TextSetExtract Structured Fiel…Information ExtractorOpenRouter Chat ModelLm Chat Open RouterAll Required Fields Fou…IfUpsert into Google Shee…Google SheetsQueue for Manual ReviewSlackMerge Review PathsMergeSerialize Run Output (C…Convert To FileArchive Row SnapshotPostgresEnrich with Reference D…Http RequestFold In Enrichment Fiel…SetLoad Previous SnapshotPostgresCompute Drift vs Snapsh…CodeStamp Completion TimeDate TimePersist Run MetadataExecution DataFingerprint for Idempot…CodeDrop Already-Processed …Remove DuplicatesSummarize Run StatsSetAppend Audit Row (Googl…Google SheetsSend Summary to GmailGmailCapture Failure ContextSetEscalate Failure to Sla…SlackPark in Dead-Letter Que…Postgres

What's inside (24 nodes)

A look at the node types this workflow uses. No purchase required — full parameters and credentials are yours after you buy.

CodeConvert To FileDate TimeExecution DataGmailGoogle SheetsHttp RequestIfInformation ExtractorLm Chat Open RouterMergePostgresRemove DuplicatesSetSlackWebhook

From download to running in 3 steps

  1. 1
    Import. In n8n, open Workflows → menu → “Import from File” and pick the downloaded JSON.
  2. 2
    Connect. Add your own credentials on the app nodes - n8n highlights exactly which ones need them.
  3. 3
    Activate. Run it once to test, then toggle Active. The automation is live.

What you'll learn

Production level

Production-grade: idempotency, dead-letter handling, and reconciliation included.

  • Routing classified output into separate action branches
  • Rejoining parallel branches with Merge so the run reports once
  • Moving data between Google Sheets, Slack and PostgreSQL in a single run

Every node carries its own documentation on the canvas, plus notes explaining why the architecture was built this way, a credential setup guide, troubleshooting, and three practice exercises. Sample data comes pinned to the trigger, so you can hit Execute and watch data flow before connecting a single account.

Common questions

What exactly do I get?

The complete, ready-to-import n8n workflow as a JSON file, delivered instantly after payment. Import it into your own n8n (cloud or self-hosted), add your credentials, and it runs.

How do I import it into n8n?

In n8n, open Workflows, click the three-dot menu, choose “Import from File”, and select the downloaded JSON. Then connect your own app credentials on the highlighted nodes.

Do I need anything else for it to work?

You need your own n8n instance and accounts/credentials for the apps this workflow connects to (PostgreSQL, Slack, Google Sheets, HTTP / REST API, …). No coding is required.

What if it doesn't work for me?

If the file is faulty, won't import, or isn't as described, contact us within 7 days and we'll fix it or refund you - see our refund policy.

Can I modify or resell it?

You can freely adapt and use it in your own or your clients' projects. Reselling or redistributing the template file itself is not permitted.

Original n8n workflow template created and owned by WorkflowCrate. After purchase you receive the ready-to-import JSON file and a license to use and adapt it in your own projects.