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ExpertEnterpriseDocument ProcessingWebhook trigger31 nodes

Generate contracts: Gmail & Notion

Fires the moment a webhook arrives across Gmail, Notion and Google Drive, drops anything it has already handled, then rolls the rows up into a few numbers. Built for summarization, around a "Gather API Numbers" step, in 31 documented nodes.

Generate contracts with HTTP / REST API and Google Drive end to end. An original, ready-to-import n8n workflow built around the 'Document Generation' pattern for legal & compliance. It fires on a webhook and orchestrates 31 nodes across Gmail, HTTP / REST API, Notion. Retry-on-fail is enabled on external calls. Import the JSON, add your credentials, and adapt the parameters. Nothing slips through the cracks.

Key benefits

  • Keeps Gmail and Notion in step for summarization, without anyone re-typing a row
  • Safe to re-run: records already in Gmail or Notion are skipped, across all 31 nodes of this summarization build
  • A failed Gmail or Notion call is retried rather than dropped, at any of the 31 nodes in this summarization build
  • Branches rejoin before Gmail, so a summarization run reports once rather than 31 times
  • Every summarization run leaves an audit row behind, alongside Gmail

Use cases

  • Teams keeping Gmail and Notion aligned by hand for summarization
  • Pushing summarization events into Gmail and Notion the moment they land, not on the next poll
  • Summarization work where "Gather API Numbers" is still a manual step before Gmail
  • Summarization work that only reaches Gmail when a webhook arrives, when someone remembers to start it

Integrations

GmailHTTP / REST APINotionGoogle DriveGoogle Sheets

Workflow preview (31 nodes)

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

Receive Inbound WebhookWebhookGather API NumbersHttp RequestGather from Google DriveGoogle DriveBlend SourcesMergeRoll Up KPIsSummarizeCompose HTML ReportCodeSend Report via GmailGmailStamp Completion TimeDate TimePersist Run MetadataExecution DataLoad Previous SnapshotNotionCompute Drift vs Snapsh…CodeEnrich with Reference D…Http RequestFold In Enrichment Fiel…SetOffload to Post-Process…Execute WorkflowRecord Sub-workflow Res…Execution DataSerialize Run Output (C…Convert To FileArchive Copy to Google …Google DriveFingerprint for Idempot…CodeDrop Already-Processed …Remove DuplicatesTag Pipeline MetadataSetGuard Non-Empty fileNameFilterSort Documents Newest F…SortSave Execution MetadataExecution DataAlign Field NamesRename KeysStamp Processing TimeDate TimeSummarize Run StatsSetAppend Audit Row (Googl…Google SheetsSend Summary to GmailGmailCapture Failure ContextSetEscalate Failure to Gma…GmailPark in Dead-Letter Que…Notion

What's inside (31 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 TimeExecute WorkflowExecution DataFilterGmailGoogle DriveGoogle SheetsHttp RequestMergeNotionRemove DuplicatesRename KeysSetSortSummarizeWebhook

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

Architect level

The deepest tier - sub-workflow delegation, state snapshots, and full observability.

  • Validating required fields before the write
  • Upserting so reprocessing a document does not duplicate it
  • Moving data between Google Drive, Gmail and Notion 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 (Gmail, HTTP / REST API, Notion, Google Drive, …). 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.