Enrich Contacts & Clean CRM Data

Step 1 — Gather context

1. What do you need to do?
   • A) Enrich a list of contacts with emails/phones
   • B) Enrich company/account records with firmographic data
   • C) Clean up stale or incomplete CRM data
   • D) Set up ongoing auto-enrichment
   • E) Deduplicate contacts or accounts
   • F) Verify existing email addresses before a campaign
   • G) Other — describe it
2. How many records are involved?
   • A) Under 100 (manual/one-time)
   • B) 100-1,000 (batch job)
   • C) 1,000-10,000 (bulk operation)
   • D) 10,000+ (large-scale cleanup)
   • E) Ongoing (continuous enrichment of new records)
3. What enrichment tool(s) do you have?
   • A) Apollo.io
   • B) ZoomInfo
   • C) Clay
   • D) Lusha / Cognism
   • E) Clearbit / Breeze
   • F) Multiple providers (waterfall)
   • G) None yet — recommend one
4. What data do you need?
   • A) Email addresses (verified/deliverable)
   • B) Phone numbers (direct/mobile)
   • C) Both email and phone
   • D) Firmographic data (company size, revenue, industry, tech stack)
   • E) All of the above

Step 2 — Enrichment strategy

Single-record enrichment

• When: Researching a specific prospect, manual prospecting
• How: Look up individual records in your enrichment tool or via API
• Credit cost: 1 credit per person (email), more for phone numbers
• Best for: High-value ABM targets, executive-level contacts

Batch enrichment

• When: Enriching a list before launching a campaign
• How: Upload CSV or select records in-platform for bulk enrichment
• Credit cost: 1 credit per record enriched (plan carefully)
• Best for: Campaign prep, list cleaning before outreach

Auto-enrichment

• When: Keeping CRM data fresh continuously
• How: Set up rules to enrich new records on creation or on a schedule
• Credit cost: Ongoing — budget credits monthly
• Best for: Teams with steady lead flow who need data quality without manual effort

Waterfall enrichment

• When: Single provider doesn't have enough coverage
• How: Try Provider A first → if no result, try Provider B → then Provider C
• Credit cost: Only pay for successful enrichments at each level
• Best for: Maximizing coverage when targeting niche personas or international contacts
• Tools: Clay is purpose-built for this; Lemlist has built-in waterfall enrichment; Apollo's waterfall enrichment is in beta; Yesware Prospector provides 100M+ contacts as an additional source; Reply.io has a built-in B2B database with 1B+ contacts and data credits for email/phone reveals; Woodpecker Lead Finder provides a B2B database with 1B+ leads and data credits for email finding

Step 3 — Execute the enrichment

Pre-enrichment checklist

• Deduplicate first: Remove duplicate records before enriching — don't pay to enrich the same person twice
• Filter to qualified records only: Don't enrich contacts you'll never reach out to
• Check existing data: Skip records that already have verified emails/phones
• Estimate credit cost: Records × credit cost per record. Stay within budget.
• Set enrichment scope: Choose which fields to enrich (email only is cheaper than email + phone + firmographic)

In Apollo.io

1. Select contacts in a list or search results
2. Click "Enrich" → choose fields to enrich
3. Apollo processes in background, results appear on records
4. Export enriched data or sync to CRM

1. Settings > Enrichment > Auto-Enrichment
2. Set rules: enrich new contacts on creation, enrich existing contacts on a schedule
3. Choose fields to enrich and credit budget per month
4. Monitor usage in Settings > Usage

• POST /people/match

  for single-record enrichment

• POST /people/bulk_match

  for batch (up to 10 per call)

• GET /organizations/enrich

  for company enrichment
• See

  /sales-apollo

  for full API reference

Compliance checklist

• You have a lawful basis for processing (legitimate interest for B2B outreach is common, but document it)
• Your enrichment provider has a GDPR-compliant data sourcing policy (check their DPA)
• You can honor right to erasure requests — if someone asks to be deleted, you can remove them from all systems
• Your outreach includes a clear way to opt out
• You're not enriching personal data beyond what's necessary (data minimization principle)

• Every email includes a physical mailing address
• Every email includes a working unsubscribe link
• Unsubscribe requests are honored within 10 business days
• Subject lines are not deceptive
• The email is identified as an advertisement (if applicable)

• You provide a "Do Not Sell My Personal Information" option if applicable
• You can disclose what personal data you've collected if a consumer requests it
• Your enrichment vendor's data collection practices comply with CCPA

• If someone unsubscribes, suppress them globally — don't re-enrich and re-add them next month
• If you're enriching contacts in bulk, check regional distribution first and apply the strictest relevant regulation
• Keep a log of where enriched data came from (which provider, when) for audit purposes

Data quality scoring

Step 4 — CRM data hygiene

Stale data identification

Deduplication strategy

1. Define match criteria: Email address (strongest), or Company + Full Name (fallback)
2. Set merge rules: Most recently updated record wins for each field
3. Keep audit trail: Log what was merged and when
4. Run regularly: Monthly for active databases, quarterly for stable ones

Enrichment schedule

Step 5 — Credit optimization

Credit-saving strategies

• Enrich only qualified records: Apply ICP filters before enriching — don't waste credits on bad-fit contacts
• Check existing data first: Skip records that already have the data you need
• Prioritize email over phone: Email credits are typically cheaper. Only reveal phone numbers for contacts you'll actually call.
• Use waterfall strategically: Start with the cheapest provider, escalate to premium for high-value targets
• Batch over real-time: Bulk enrichment is often more credit-efficient than one-at-a-time
• Monitor usage weekly: Set up alerts when you hit 80% of monthly credit budget

Apollo credit economics

Gotchas

• Don't enrich before deduplicating. Claude often recommends "enrich everything, then clean up." This wastes credits on duplicate records. Always dedup first, then enrich the clean list.
• Don't assume enriched emails are deliverable. Enrichment tools find email addresses — they don't guarantee deliverability. Always run enriched emails through a verification tool (NeverBounce, ZeroBounce, MillionVerifier) before high-volume campaigns. Apollo-reported "verified" emails still bounce at 5-10% rates.
• Don't enrich an entire CRM database at once. Claude tends to suggest bulk-enriching everything. This burns through credits fast and enriches records you may never contact. Start with your highest-priority segments and expand.
• Don't ignore phone number credit costs. Mobile number reveals are 5-10x more expensive than email reveals in most tools. Only reveal phone numbers for contacts your team will actually call — not the entire list.
• Don't set up auto-enrichment without a credit budget cap. Auto-enrichment can burn through an entire month's credits in days if configured too broadly. Set a monthly cap and limit auto-enrichment to new records matching your ICP.
• Don't enrich contacts without checking regional compliance. Enriching EU contacts without a lawful basis for processing (GDPR), or emailing US contacts without an unsubscribe link (CAN-SPAM), exposes you to legal risk. See the compliance checklist in Step 3 before enriching in bulk.

Related skills

• /sales-prospect-list

  — Build the prospect list that you'll then enrich

• /sales-intent

  — Layer buying signals on enriched contacts to prioritize outreach

• /sales-cadence

  — Design the outbound sequence for enriched contacts

• /sales-apollo

  — Apollo.io platform help (enrichment settings, credit management)

• /sales-apollo-sequences

  — Set up sequences in Apollo for enriched contacts

• /sales-lemlist

  — Lemlist platform help (built-in waterfall enrichment, People Database)

• /sales-yesware

  — Yesware platform help (Prospector — 100M+ B2B contact database)

• /sales-mixmax

  — Mixmax platform help (import enriched contacts into Mixmax sequences)

• /sales-reply

  — Reply.io platform help (B2B database with 1B+ contacts and data credits)

• /sales-woodpecker

  — Woodpecker platform help (Lead Finder B2B database)

• /sales-do

  — Not sure which skill to use? The router matches any sales objective to the right skill. Install:

  npx skills add sales-skills/sales --skills sales-do

Examples

Example 1: Pre-campaign enrichment

1. Recommends deduping the list first
2. Filters to records missing emails
3. Sets up batch enrichment in Apollo with email-only scope (save phone credits)
4. Recommends email verification before launching the sequence Result: List enriched to 85%+ email coverage, verified and ready for outreach

Example 2: CRM data cleanup

1. Identifies stale data patterns (bounced emails, outdated titles, missing fields)
2. Recommends a phased approach: dedup → prioritize top segments → enrich in batches
3. Sets up an ongoing enrichment schedule to prevent future staleness
4. Calculates credit budget for the cleanup Result: Phased CRM hygiene plan with credit-conscious enrichment strategy

Troubleshooting

Low enrichment match rate

Enriched emails bouncing

Credits running out mid-month