Clay + HubSpot: an enrichment workflow for every new lead

Clay is one of the most powerful enrichment tools available. It waterfalls a single lookup through dozens of data providers until it finds an answer. Getting that Clay enrichment to sync cleanly into HubSpot takes setup, or you end up with duplicate fields, broken mappings, and half-filled records. We wire the workflow below into a client's existing Clay and HubSpot accounts, and it runs on every new lead.

Why Clay and HubSpot don't sync cleanly out of the box

Clay is built to be flexible. You can run any lookup, chain any provider, and write any output field, and that is what makes a naive sync into HubSpot messy. Without a deliberate mapping layer, enriched fields land in the wrong property, overwrite data a rep entered by hand, or create near-duplicate fields that say almost the same thing. The fix keeps that flexibility: sync logic (in n8n, wired into both platforms) that makes enrichment behave the same way every time a new lead comes through.

Setting up a bidirectional Clay to HubSpot sync via n8n

The workflow runs in both directions. A new or updated lead in HubSpot triggers a lookup in Clay. Once Clay's waterfall resolves the enrichment, n8n validates the result and writes it back to the matching HubSpot property. Nothing gets dumped raw into a catch-all field. One Clay output field maps to one specific HubSpot property, and keeping that mapping explicit prevents drift as either platform's schema changes.

• New or changed lead in HubSpot triggers the Clay enrichment lookup
• Clay waterfalls the lookup across multiple data providers automatically
• n8n validates the result before it ever touches a HubSpot property
• Each enrichment field maps to one specific property, never a catch-all

How do we handle enrichment failures and partial data?

Enrichment fails constantly. A provider has no record for a small company, a job title comes back ambiguous, an email fails verification. The workflow writes what it finds and leaves the rest blank. It doesn't guess, and it doesn't write a low-confidence value that looks authoritative. A partially enriched record with honest gaps is more useful to a rep than a fully filled record where half the fields are wrong.

Which fields are worth enriching vs looking up on demand

Some fields don't belong in the automatic sync. The ones every rep needs immediately (company size, industry, seniority) get enriched on lead creation. Deeper, more expensive lookups like detailed tech stack, recent funding, and hiring signals run on demand, for leads that clear a scoring threshold. Run them on every lead that enters the funnel and you spend credits on leads nobody was going to work.

Why the waterfall matters more than any single provider

No single enrichment provider covers every company well. One that's strong on large enterprise accounts is often thin on small businesses, and the reverse is just as common. Clay runs a lookup through several providers in sequence and moves to the next one automatically when the first comes back empty. The workflow returns a usable answer far more often than any single data source could on its own.

The order of that waterfall matters. Cheapest and most reliable providers go first, which keeps enrichment cost reasonable without giving up coverage.

Enrichment fields we deliberately skip automating

We don't auto-write anything a rep has probably entered by hand and trusts more than an automated source. A personal note field is one example, a manually confirmed decision-maker status another. Overwriting human judgment with automated enrichment is one of the fastest ways to break a sales team's trust in the CRM. When Clay's answer and the rep's entry disagree and it's unclear which is right, the workflow leaves the rep's value alone. The enrichment result goes into a separate field for reference, so nothing is silently overwritten.

mkdir builds this enrichment and scoring logic inside the Clay and HubSpot instances you already run. Every new lead arrives enriched and ready to work.