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What it does

Apollo Enrich takes people or companies you already know — by Apollo id, email, LinkedIn URL, or name + company/domain — and fills in the rest: verified work emails, job titles, and company firmographics. Use it after Apollo Prospect finds matches (pass the id it returns), or directly on a list you already have (e.g. CRM records missing emails).
Requires Apollo Integration: Set up the Apollo.io integration before agents can use this tool.

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What it costs

Apollo bills export credits per record enriched. A standard enrichment returns the work email plus firmographics for 1 credit; personal emails are an opt-in extra:
RevealExport creditsDefault
Work email + firmographics1 per contacton
reveal_personal_emailsextraoff
Phone numbers are not returned. Apollo only delivers them asynchronously via a webhook, which this synchronous tool can’t receive — setting reveal_phone_number simply adds a note and still returns the work email and firmographics.

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Key features

  • Enrich by any identifier: Apollo id, email, LinkedIn URL, or name + company name/domain
  • Contact and company modes
  • Verified work email included in a standard enrichment
  • Batch up to 10 people (or 10 company domains) per call
  • Pairs with Apollo Prospect — feed the id from a search straight in

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Parameters

ParameterTypeRequiredDescription
entity_typestringNocontact (default) uses contacts; company uses companies
contactsarrayNo*People to enrich (max 10). Each item: id (Apollo person id — most reliable), or email, or linkedinUrl, or firstName+lastName+(organizationName or domain)
companiesarrayNo*Company domains to enrich (max 10), e.g. ["acme.com"]. Used with entity_type: "company"
reveal_personal_emailsbooleanNoAlso reveal personal / secondary emails, extra credits (default false)
reveal_phone_numberbooleanNoNot supported — Apollo delivers phones via webhook only; returns a note, no phone (default false)
*Provide contacts (default) or companies (with entity_type: "company").

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Common use cases

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Reveal an email for a prospected person

contacts: [{ "id": "64a7ff0cc4dfae00013df1a5" }]
Pass the id returned by Apollo Prospect — the most reliable match — to get the verified work email (1 credit).

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Get a known person’s work email

contacts: [{ "firstName": "Jane", "lastName": "Doe", "domain": "acme.com" }]
Returns Jane’s verified work email. Prefer the company domain over its name — Apollo matches on domain far more reliably.

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Enrich a small batch

contacts: [
  { "firstName": "Jane", "lastName": "Doe", "domain": "acme.com" },
  { "email": "sam@globex.com" }
]
Reveals the work email for both (max 10 per call).

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Enrich a company by domain

entity_type: "company"
companies: ["acme.com", "globex.com"]
Returns firmographics (industry, employee count, location, social links) for each domain.

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What you get back

  • results[] — full records; contacts include email and email_status (e.g. verified), title, and organization
  • revealed — which reveal flags were applied
  • returned / requested — match counts
  • rate_limits — remaining requests for the minute/hour/day window

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Best practices

  • Prefer strong identifiers — an Apollo id (from prospect) or an email match most reliably; otherwise use a company domain, not its name
  • Batch up to 10 to minimize requests against your rate limit
  • Use email_status — prefer verified addresses; treat others with more caution
  • Don’t expect phones — use a dedicated source if direct dials matter

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Troubleshooting

“Provide a non-empty contacts array” / “no usable identifier”
  • Each contact needs at least one of: id, email, linkedinUrl, or firstName+lastName+(organizationName or domain)
“Apollo denied access (403)”
  • Enrichment requires an Apollo plan with API access — confirm your plan and key permissions
Email came back empty for a .gov or solo operator
  • Apollo indexes corporate (B2B) domains best; government addresses and personal-domain solo operators are often missing — fall back to web research for those
Got no match on a company you know exists
  • Re-try with the company domain instead of its name — domain matching is far more reliable
  • Apollo Prospect — find new contacts/companies matching an ICP, then enrich the ids it returns