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ExpertEnterpriseAI AgentsScheduled trigger31 nodes

Clean contact records: Notion, scheduled

Runs on a schedule across Notion, Slack and HubSpot, branches on the check before anything is written, then drops anything it has already handled. Built for research assistant, around a "Fetch Changes Since Watermark" step, in 31 documented nodes.

Clean contact records with HubSpot and HTTP / REST API at scale for Research Assistant. An original, ready-to-import n8n workflow built around the 'Data Enrichment' pattern for AI & automation. It runs on a schedule and orchestrates 31 nodes across Notion, Slack, HTTP / REST API. 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 Notion and Slack in step for research assistant, without anyone re-typing a row
  • Safe to re-run: records already in Notion or Slack are skipped, across all 31 nodes of this research-assistant build
  • A failed Notion or Slack call is retried rather than dropped, at any of the 31 nodes in this research-assistant build
  • Every research-assistant run leaves an audit row behind, alongside Notion
  • Fans the same result out to HubSpot in the same run, for research assistant

Use cases

  • Teams keeping Notion and Slack aligned by hand for research assistant
  • Research assistant work where "Fetch Changes Since Watermark" is still a manual step before Notion
  • Research assistant work that only reaches Notion on a schedule, when someone remembers to start it

Integrations

NotionSlackHTTP / REST APIHubSpotGoogle SheetsAnthropic

Workflow preview (31 nodes)

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

Hourly ScheduleSchedule TriggerLoad Previous SnapshotNotionFetch Changes Since Wat…Http RequestNormalize RecordsCodeFingerprint for Idempot…CodeDrop Already-Processed …Remove DuplicatesUpsert into HubSpotHubspotAdvance WatermarkCodePersist Watermark (Noti…NotionRow Counts Match?IfRaise Drift AlarmSlackEnrich with Reference D…Http RequestFold In Enrichment Fiel…SetLoad Previous Snapshot 2HubspotCompute Drift vs Snapsh…CodeSerialize Run Output (C…Convert To FileArchive Row SnapshotNotionOffload to Post-Process…Execute WorkflowRecord Sub-workflow Res…Execution DataStamp Completion TimeDate TimePersist Run MetadataExecution DataSave Execution MetadataExecution DataAlign Field NamesRename KeysStamp Processing TimeDate TimeGuard Non-Empty queryFilterSummarize Run StatsSetAppend Audit Row (Notio…NotionSend Summary to SlackSlackCapture Failure ContextSetEscalate Failure to Sla…SlackPark in Dead-Letter Que…Google Sheets

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 DataFilterGoogle SheetsHttp RequestHubspotIfNotionRemove DuplicatesRename KeysSchedule TriggerSetSlack

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.

  • Building a provider waterfall that only pays for a fallback on a real miss
  • Scoring records after enrichment so the score sees the richest data
  • Upserting so repeat runs update rather than duplicate

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 (Notion, Slack, HTTP / REST API, HubSpot, …). 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.