polymerdao/polymer-pay-coresignal

Coresignal

Business data intelligence platform providing company, employee, and job data from multiple sources. Access over 3 billion regularly updated records via simple filters and data collection endpoints.

Authentication

All requests route through the Polymer Pay proxy. Include your Polymer Pay API key in every request:

{
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  }
}

Base URL: https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal

To get an Polymer Pay API key, sign up at https://my.pay.polymerlabs.org/dashboard/api-keys.

Common Operations

Enrich Company

Look up a company by website domain and get full cleaned company profile.

Pricing: $0.11

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/company_clean/enrich?website=stripe.com",
  "method": "GET",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  }
}

Returns deduplicated, normalized data including name, industry, size, location, social URLs, and technology stack.

Search Companies

Search for companies using filters like name, industry, country, and employee count.

Pricing: $0.06

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/company_base/search/filter",
  "method": "POST",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  },
  "body": {
    "name": "Google",
    "industry": "Software Development",
    "country": "United States"
  }
}

Returns array of company IDs for use with collect endpoints.

Search Employees

Search for professionals using filters like name, headline, location, skills, and experience.

Pricing: $0.06

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/employee_base/search/filter",
  "method": "POST",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  },
  "body": {
    "headline": "Software Engineer",
    "location": "San Francisco",
    "country": "United States"
  }
}

Collect Employee Profile

Get full employee profile by ID from search results.

Pricing: $0.11

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/employee_base/collect/374311229",
  "method": "GET",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  }
}

Returns professional data including name, headline, work experience, education, and skills.

Collect Company Profile

Get full company profile by ID.

Pricing: $0.11

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/company_base/collect/4744382",
  "method": "GET",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  }
}

Search Jobs

Search for job listings using filters like title, location, and employment type.

Pricing: $0.06

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/job_base/search/filter",
  "method": "POST",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  },
  "body": {
    "title": "Software Engineer",
    "location": "San Francisco, CA",
    "employment_type": "Full-time"
  }
}

Get Multi-Source Company

Get most comprehensive company profile aggregated from multiple sources.

Pricing: $0.22

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/company_multi_source/enrich?website=google.com",
  "method": "GET",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  }
}

Search Employee Posts

Search for professional network posts using filters.

Pricing: $0.06

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/employee_post/search/filter",
  "method": "POST",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  },
  "body": {
    "author_profile_url": "https://linkedin.com/in/sundarpichai",
    "article_body": "artificial intelligence"
  }
}

Preview Employee Search

Preview employee search results with summary data.

Pricing: $0.06

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/employee_base/search/filter/preview",
  "method": "POST",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  },
  "body": {
    "full_name": "Sundar Pichai",
    "headline": "CEO",
    "location": "San Francisco"
  }
}

Preview Company Search

Preview company search results with summary data.

Pricing: $0.06

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/company_base/search/filter/preview",
  "method": "POST",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  },
  "body": {
    "name": "Google",
    "industry": "Software Development",
    "country": "United States"
  }
}

Preview Job Search

Preview job search results with summary data.

Pricing: $0.06

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/job_base/search/filter/preview",
  "method": "POST",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  },
  "body": {
    "title": "Software Engineer",
    "location": "San Francisco, CA",
    "employment_type": "Full-time"
  }
}

Get Employee Post

Get a full professional network post by ID.

Pricing: $0.11

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/employee_post/collect/7431869637207928834",
  "method": "GET",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  }
}

Collect Clean Employee

Get cleaned, deduplicated employee profile by ID.

Pricing: $0.11

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/employee_clean/collect/374311229",
  "method": "GET",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  }
}

Collect Clean Company

Get cleaned, deduplicated company profile by ID.

Pricing: $0.06

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/company_clean/collect/4744382",
  "method": "GET",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  }
}

Collect Employee by Profile URL

Get employee profile by professional network URL.

Pricing: $0.11

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/employee_base/collect/https%3A%2F%2Fwww.linkedin.com%2Fin%2Fsundarpichai",
  "method": "GET",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  }
}

Collect Company by Profile URL

Get company profile by professional network URL.

Pricing: $0.11

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/company_base/collect/https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fgoogle",
  "method": "GET",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  }
}

Get Multi-Source Employee

Get comprehensive employee profile from multiple sources.

Pricing: $0.22

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/employee_multi_source/collect/374311229",
  "method": "GET",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  }
}

Get Multi-Source Company by Profile URL

Get comprehensive company profile by professional network URL.

Pricing: $0.22

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/company_multi_source/collect/https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fgoogle",
  "method": "GET",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  }
}

Get Job Details

Get full job listing by ID.

Pricing: $0.11

{
  "url": "https://pay.polymerlabs.org/proxy/https/x402.orth.sh/coresignal/v2/job_base/collect/406480270",
  "method": "GET",
  "headers": {
    "Content-Type": "application/json",
    "x-polymer-pay-api-key": "{{POLYMER_PAY_API_KEY}}"
  }
}

When to Use

• Recruiting: Find candidates with specific skills and experience
• Sales Prospecting: Enrich leads with company and contact data
• Market Research: Analyze company sizes, industries, and growth
• Job Market Analysis: Track hiring trends and job openings
• Competitor Intelligence: Monitor company headcount and technologies

Best Practices

1. Search First, Then Collect: Use search to get IDs, then collect full profiles
2. Preview for Testing: Use preview endpoints to test filters before full search
3. Multi-Source for Rich Data: Use multi-source endpoints for comprehensive data
4. Clean Endpoints for Deduplication: Use clean endpoints for deduplicated, normalized data
5. For errors — See @skills/polymer-pay-api-errors/SKILL.md for complete error code reference and troubleshooting