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Documentation Index

Fetch the complete documentation index at: https://deepline.com/docs/llms.txt

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Playbook

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ContactOut — Agent Guidance

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When to use

ContactOut for LinkedIn → email/phone enrichment when you have a LinkedIn URL. High accuracy for active LinkedIn users. Strong for US + global. Falls after dropleads in cost-ordered waterfalls. Key differentiator: Free pre-check APIs (contactout_check_email_status) tell you if a profile has work or personal email on file before spending credits. Always use these first when enriching at scale.

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Provider characteristics

  • Input required: LinkedIn URL (best), email, or name+company
  • Geographic coverage: Global, strongest in US + Europe
  • Credit cost: ~$0.10 per email credit; separate phone + search credits
  • LinkedIn URL requirement: Must contain “linkedin.com/in/” or “linkedin.com/pub/”. Sales Navigator URLs not supported.

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Key operations

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contactout_check_email_status (FREE — use first at scale)

Check if a LinkedIn profile has work email on file. Zero credits consumed. Use this to filter out profiles with no coverage before running enrichment. 
{
  "profile": "https://www.linkedin.com/in/johndoe"
}
Returns: { "has_work_email": true, "has_personal_email": false }

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contactout_enrich_person

Enriches a person by LinkedIn URL (preferred), email, or name+company. Returns email array at email, work_email, personal_email. 
{
  "linkedin_url": "https://www.linkedin.com/in/johndoe",
  "include": ["work_email"]
}

{
  "first_name": "John",
  "last_name": "Doe",
  "company_domain": "acme.com"
}

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contactout_search_people

Search people by title, company, location, seniority. Use reveal_info: false (default) for count/discovery. Set reveal_info: true to retrieve emails (costs search + email credits). 
{
  "job_title": "(VP OR Head) Sales",
  "company_size": "201-500",
  "location": "United States",
  "reveal_info": false
}
Boolean logic supported: "(Sales AND CRM) NOT Manager"

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contactout_enrich_domain

Enriches company data (size, industry, funding, HQ) from a domain name. 
{
  "domain": "salesforce.com"
}

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Output shape

contactout_enrich_person returns a flat profile object. Email at email[0], work_email[0], or personal_email[0]. No nested envelope. contactout_search_people returns { profiles: [...], metadata: { total_results: N } }.

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Anti-patterns

  • Don’t use Sales Navigator or Recruiter URLs — they’ll return 400
  • Don’t skip check_email_status when enriching a large list — it’s free and filters out empty profiles
  • Don’t include “http://” or “www.” in domain values for enrich_domain
  • Don’t set reveal_info: true on search without knowing the count first — use reveal_info: false to size the audience