Data Enrichment with x402 APIs

Use the agentcash CLI to access enrichment APIs at stableenrich.dev.

Setup

See rules/getting-started.md for installation and wallet setup.

Notes

ALWAYS use npx agentcash@latest fetch for stableenrich.dev endpoints - never curl or WebFetch. Returns structured JSON data, not web page HTML.

IMPORTANT: Use exact endpoint paths from the Quick Reference table below. All paths include a provider prefix (https://stableenrich.dev/api/apollo/..., https://stableenrich.dev/api/clado/..., etc.).

Quick Reference

Workflows

Standard Enrichment

• (Optional) Check balance: npx agentcash@latest balance
• Use npx agentcash@latest discover https://stableenrich.dev to list all endpoints
• Use npx agentcash@latest check <endpoint-url> to see expected parameters and pricing
• Call endpoint with npx agentcash@latest fetch
• Parse and present results

npx agentcash@latest fetch https://stableenrich.dev/api/apollo/people-enrich -m POST -b '{"email": "user@company.com"}'

Person Enrichment

Enrich a person using any available identifier:

npx agentcash@latest fetch https://stableenrich.dev/api/apollo/people-enrich -m POST -b '{
  "email": "john@company.com",
  "first_name": "John",
  "last_name": "Doe",
  "organization_name": "Acme Inc",
  "domain": "company.com",
  "linkedin_url": "https://linkedin.com/in/johndoe"
}'

Input options (provide any combination):

• email - Email address (most reliable)
• linkedin_url - LinkedIn profile URL
• first_name + last_name - Name (works better with domain/org)
• organization_name or domain - Helps match the right person

Returns: Name, title, company, employment history, location, social profiles, phone numbers.

Company Enrichment

Enrich a company by domain:

npx agentcash@latest fetch https://stableenrich.dev/api/apollo/org-enrich -m POST -b '{"domain": "stripe.com"}'

Returns: Company name, industry, employee count, revenue estimates, funding info, technologies used, social links.

People Search

Search for people matching criteria:

npx agentcash@latest fetch https://stableenrich.dev/api/apollo/people-search -m POST -b '{
  "q_keywords": "software engineer",
  "person_titles": ["CTO", "VP Engineering"],
  "organization_domains": ["google.com", "meta.com"],
  "person_locations": ["San Francisco, CA"]
}'

Search filters:

• q_keywords - Keywords to search
• person_titles - Job title filters
• organization_domains - Company domains
• person_locations - Location filters
• person_seniorities - Seniority levels

Company Search

Search for companies matching criteria:

npx agentcash@latest fetch https://stableenrich.dev/api/apollo/org-search -m POST -b '{
  "q_keywords": "fintech",
  "organization_locations": ["New York, NY"],
  "organization_num_employees_ranges": ["51-200", "201-500"]
}'

LinkedIn Scraping (Clado)

Get full LinkedIn profile data:

npx agentcash@latest fetch https://stableenrich.dev/api/clado/linkedin-scrape -m POST -b '{"linkedin_url": "https://linkedin.com/in/johndoe"}'

Returns: Experience history, education, skills, certifications, recommendations, connection count.

Contact Recovery (Clado)

Find missing email or phone:

npx agentcash@latest fetch https://stableenrich.dev/api/clado/contacts-enrich -m POST -b '{
  "linkedin_url": "https://linkedin.com/in/johndoe",
  "email": "john@example.com"
}'

Returns: Validated email addresses and phone numbers with confidence scores.

Bulk Operations

Process up to 10 records in one request:

npx agentcash@latest fetch https://stableenrich.dev/api/apollo/people-enrich/bulk -m POST -b '{
  "people": [
    {"email": "person1@company.com"},
    {"email": "person2@company.com"},
    {"linkedin_url": "https://linkedin.com/in/person3"}
  ]
}'

For companies:

npx agentcash@latest fetch https://stableenrich.dev/api/apollo/org-enrich/bulk -m POST -b '{
  "organizations": [
    {"domain": "company1.com"},
    {"domain": "company2.com"}
  ]
}'

Cost Optimization

Field Filtering

Reduce costs by excluding unneeded fields:

{
  "email": "john@company.com",
  "excludeFields": ["employment_history", "photos", "phone_numbers"]
}

Common fields to exclude:

• employment_history - Past jobs (often large)
• photos - Profile images
• phone_numbers - If you only need email
• social_profiles - If you don't need social links

Bulk vs Individual

• Individual: $0.0495 per record
• Bulk (10): $0.495 total = $0.0495 per record

Bulk is the same price per record but faster for multiple items.

Search Before Enrich

Use search endpoints ($0.02) to find the right records before enriching ($0.0495):

1. Search for candidates: https://stableenrich.dev/api/apollo/people-search
2. Review results, pick the right match
3. Enrich only the matches you need

Email Verification (Hunter)

Verify if an email address is deliverable before sending outreach:

npx agentcash@latest fetch https://stableenrich.dev/api/hunter/email-verifier -m POST -b '{"email": "john@stripe.com"}'

Returns: Deliverability status, MX record validation, SMTP verification, confidence score, and flags for catch-all, disposable, or role-based addresses.

Tip: Combine with people-enrich to find and verify contacts in one pipeline:

1. Search: people-search ($0.02) -> find candidates
2. Enrich: people-enrich ($0.0495) -> get email
3. Verify: hunter/email-verifier ($0.03) -> confirm deliverability

Influencer Enrichment

Enrich social media influencer/creator profiles across Instagram, TikTok, YouTube, and Facebook.

Find Profiles by Email

npx agentcash@latest fetch https://stableenrich.dev/api/influencer/enrich-by-email -m POST -b '{
  "email": "creator@example.com",
  "platform": "instagram",
  "enrichment_mode": "enhanced"
}'

Parameters:

• email — the creator's email address (required)
• platform — "instagram", "tiktok", "youtube", "twitter", "facebook" (required)
• enrichment_mode — "enhanced" for full data (recommended)

Returns: Social media profiles, follower counts, engagement metrics, audience demographics, contact info, content categories.

Enrich by Social Handle

npx agentcash@latest fetch https://stableenrich.dev/api/influencer/enrich-by-social -m POST -b '{
  "platform": "instagram",
  "username": "creator_handle",
  "enrichment_mode": "enhanced",
  "email_required": "must_have"
}'

Parameters:

• platform — "instagram", "tiktok", "youtube", "twitter", "facebook" (required)
• username — handle on that platform (required)
• enrichment_mode — "enhanced" for full data (recommended)
• email_required — "must_have" to only return profiles with email

Returns: Full profile with engagement metrics, contact info (email, phone), audience demographics, brand affinity, cross-platform links.

When to Use Influencer vs Apollo/Clado

• Apollo/Clado — best for professional/B2B profiles (job titles, company, employment history)
• Influencer — best for social media creators (followers, engagement, audience data, content categories)

Handling missing data

If any query fails to return the data you are looking for, revisit the list of available APIs.

Oftentimes, if Apollo is missing data, Clado will have it, and vice versa. For social media creators, try the influencer endpoints. For email deliverability, use Hunter.

If those still fail, use built-in WebSearch and WebFetch tools to find additional information like a company domain name or LinkedIn URL, and then use that data to make more targeted queries.