How to Enrich and Clean Your CRM Data With Apollo
Most CRMs are graveyards of half-filled records. You have a company name but no email, a job title from two years ago, and three duplicate entries for the same person. Apollo’s enrichment layer exists to fix exactly that.
This is the cleanup workflow, covering bulk enrichment, lead scoring, deduplication, and the API path for automating it. It assumes you already have an Apollo account.
How does Apollo enrichment work?
You feed Apollo partial records — a name plus a domain, or just an email — and it returns missing fields: title, verified email, phone, company size, industry. The Apollo enrichment runs in bulk from the UI or one record at a time via the REST API. Each enriched contact consumes credits, so a large list is a real cost.
How do I enrich a list in bulk?
- Export your CRM contacts to CSV with whatever fields you have.
- Upload to Apollo’s bulk enrichment (under Tools).
- Map columns — at minimum full name and company domain.
- Run, then download the enriched CSV and re-import to your CRM.
Match rates are not 100%. Expect a chunk to come back unmatched if the input is thin. Feeding a company domain dramatically improves the hit rate versus a name alone.
How do I score and prioritize leads?
Apollo lets you build a score from firmographic and behavioral signals — company size, industry match, recent job change, engagement with past emails. Set a threshold and split your list into hot and nurture. The point is not a perfect score; it is having an explicit rule instead of reading records in random order.
Apollo enrichment vs building it yourself
| Task | Apollo | DIY API stack |
|---|---|---|
| Setup time | Minutes | Weeks |
| Data coverage | Broad, one vendor | Mix vendors for coverage |
| Cost control | Credits per contact | Pay per call |
| CRM sync | Native integrations | Custom middleware |
Apollo wins on speed to value. A DIY stack (Clearbit plus a verification service plus glue code) can beat it on accuracy if you are willing to run three vendors and reconcile them. For most teams under 20 seats, that trade is not worth it.
How do I avoid duplicates?
Before enriching, dedupe on email where you have it and on name-plus-domain where you do not. Apollo merge helps in the UI, but the cleaner path is to dedupe in your CRM first so you are not paying credits to enrich the same person twice. This is the most expensive mistake people make with bulk enrichment.
What are the limits?
Credits are the hard ceiling — a plan with 5,000 credits will not enrich a 50,000-row CRM in one pass. Plan the order: enrich only contacts tied to open opportunities first, and leave dormant records until they matter. Also, phone numbers for international contacts are thinner than US coverage, so do not promise your team data the vendor cannot deliver.
Quick Summary
- Apollo enrichment fills missing CRM fields from partial records, in bulk or via API.
- Always dedupe before enriching to avoid burning credits on the same person.
- Match rates climb when you supply a company domain, not just a name.
- Prioritize contacts tied to open deals; pure coverage of a whole CRM is credit-expensive.
