The Cheapest LinkedIn API for Developers

# A public profile, by URL or by username
curl "https://apiserpent.com/api/linkedin/profile?username=williamhgates" \
  -H "X-API-Key: YOUR_API_KEY"

# Company firmographics by company URL
curl "https://apiserpent.com/api/linkedin/company?url=https://www.linkedin.com/company/stripe" \
  -H "X-API-Key: YOUR_API_KEY"

# One jobs call = one page of ~10 postings, billed as ONE call
curl "https://apiserpent.com/api/linkedin/jobs?keywords=data+engineer&location=Berlin&remote=true" \
  -H "X-API-Key: YOUR_API_KEY"

import requests

KEY = "YOUR_API_KEY"
CALL_RATE = 0.0005          # $0.50 per 1,000 calls, Default tier

jobs, page = [], 0
while page < 10:                 # 10 calls, ~100 postings
    r = requests.get(
        "https://apiserpent.com/api/linkedin/jobs",
        headers={"X-API-Key": KEY},
        params={"keywords": "data engineer", "location": "Berlin",
                "start": page * 10},
    ).json()
    batch = r["data"]["jobs"]
    if not batch:
        break                     # genuinely the end of the result set
    jobs += batch
    page += 1

spend = page * CALL_RATE
print(len(jobs), "jobs for $", round(spend, 4))
# -> 100 jobs for $ 0.005   (= $0.05 per 1,000 jobs)

const KEY = process.env.SERPENT_KEY;

async function enrich(companyUrl) {
  const res = await fetch(
    `https://apiserpent.com/api/linkedin/company?url=${encodeURIComponent(companyUrl)}`,
    { headers: { "X-API-Key": KEY } }
  );
  const { success, data } = await res.json();
  if (!success) return null;

  // Every key is always present. A field the public page did not carry
  // arrives as null or [], so nothing here ever throws on an absent field.
  return {
    name:      data.name,
    industry:  data.industry,
    headcount: data.employee_count,          // number, not "1,001-5,000"
    sizeBand:  data.company_size,
    founded:   data.founded_year,
    country:   data.hq.country,
    website:   data.website,
    hqCity:    data.hq.city,
  };
}

console.log(await enrich("https://www.linkedin.com/company/stripe"));

{
  "success": true,
  "data": {
    "name": "Stripe",
    "universal_name_id": "stripe",
    "industry": "Financial Services",
    "company_size": "1,001-5,000 employees",
    "employee_count": 8214,
    "founded_year": 2010,
    "company_type": "Privately Held",
    "specialities": ["payments", "developer tools"],
    "website": "https://stripe.com",
    "hq": {
      "city": "South San Francisco",
      "state": "California",
      "country": "United States",
      "line_1": "354 Oyster Point Blvd"
    },
    "logo_url": "https://media.licdn.com/dms/image/.../stripe.png"
  }
}