Company Tech Stack API

POST /v1/companies/enrich takes one domain or LinkedIn company URL and returns the company record, including every technology detected on its website. It costs 1 record per company found. A 404 costs nothing.

There is no separate tech endpoint. The stack is the company_detected_technologies block of the record. This page is the developer reference. For what the data is and where it stops, read Company tech stack lookup. The same lookup is the leadocean_get_company tool over MCP.

Quick start (curl)

Create a free account, copy a key with the enrich scope and export it as LEADOCEAN_API_KEY.

curl -s -X POST "https://api.leadocean.io/v1/companies/enrich" \
  -H "x-api-key: $LEADOCEAN_API_KEY" \
  -H "content-type: application/json" \
  -d '{"domain":"acme.com"}'

No domain? Send the LinkedIn company page instead. The endpoint also answers GET with the same fields as query parameters.

curl -s -G "https://api.leadocean.io/v1/companies/enrich" \
  --data-urlencode "linkedin_url=https://www.linkedin.com/company/acme" \
  -H "x-api-key: $LEADOCEAN_API_KEY"

Node.js (fetch)

const res = await fetch("https://api.leadocean.io/v1/companies/enrich", {
  method: "POST",
  headers: {
    "x-api-key": process.env.LEADOCEAN_API_KEY,
    "content-type": "application/json",
  },
  body: JSON.stringify({ domain: "acme.com" }),
});

if (res.status === 404) {
  console.log("No record for this company. Not billed.");
} else if (!res.ok) {
  throw new Error(`${res.status} ${(await res.json()).error?.message}`);
} else {
  const { data } = await res.json();
  const stack = data.company_detected_technologies ?? [];
  for (const t of stack) {
    console.log(t.technology_product?.name, t.technology_category?.name2);
  }
  if (stack.length === 0) console.log("Company found, no technologies held");
}

Python (requests)

import os
import requests

r = requests.post(
    "https://api.leadocean.io/v1/companies/enrich",
    json={"domain": "acme.com"},
    headers={"x-api-key": os.environ["LEADOCEAN_API_KEY"]},
    timeout=10,
)

if r.status_code == 404:
    print("No record for this company. Not billed.")
else:
    r.raise_for_status()
    stack = r.json()["data"].get("company_detected_technologies") or []
    for t in stack:
        print((t.get("technology_product") or {}).get("name"))
    if not stack:
        print("Company found, no technologies held")

Request

Send one identifier. The key needs the enrich scope.

There is no lookup by company name. With only a name, call POST /v1/companies/search first, then send the domain you get back. The older POST /v1/companies/enrich still works as a deprecated alias.

Response

Response shape from the API reference. Every value below is a placeholder, and the real record carries many more fields.

{
  "success": true,
  "data": {
    "company_data": {
      "company_name": "Acme",
      "company_domain": "acme.com",
      "company_number_of_detected_technologies": 47
    },
    "company_detected_technologies": [
      {
        "technology_product": { "name": "Cloudflare" },
        "technology_category": { "name2": "Content Delivery Network" },
        "technology_last_detected_date": "2026-08-21"
      }
    ],
    "company_metrics": { "completion_score": 94, "marketability_score": 81 },
    "meta": { "sources": ["own"], "schema": "leadocean.company.v1" }
  },
  "meta": { "credits": 1, "source": "own" }
}

Unknown values are null, never guessed. Arrays that hold nothing come back empty, not missing.

Errors

Every failure is { "success": false, "error": { "message": "...", "details": ... } }. Status codes are from the limits docs, September 2026.

Rate limits and cost

One company found is 1 record, by domain or by LinkedIn URL. A company we hold but have not crawled still comes back, with an empty technology list, and costs 1 record. A 404, 400, 401, 402, 403, 429 or 503 costs nothing.

The limit is 100 requests per second per key, on every plan. Free is 1,000 records, one-off, no card. Pro is $499 a month, flat, with no per-record price inside fair use. See pricing.

Technology data comes from website crawls and covers about 7.8M of the 63M companies, so expect empty lists. Test your hit rate on a few hundred domains before a large run. GET /v1/account is free and shows records left.

Bulk

For a list of domains, loop this endpoint. At 100 requests a second, 10,000 domains is under two minutes of calls, and only the companies you receive are billed.

To go the other way, filter by what companies run. POST /v1/companies/search takes technologies (names) and technologyCategories (for example CRM, Analytics or CDN). It costs 1 record per company returned. Add count=true as a query parameter with limit 1 to size it for free.

POST /v1/exports is the bulk route for people, not companies. It takes the same technologies and technologyCategories filters, but its columns carry no technology list. Use it for the contacts at companies that run a tool, with numbered columns such as email_N_address. They come back as email_1_address, email_2_address and so on, and caps sets how many.

curl -X POST https://api.leadocean.io/v1/exports \
  -H "x-api-key: $LEADOCEAN_API_KEY" -H "content-type: application/json" \
  -d '{
    "name": "VP Sales at CRM users",
    "filters": { "technologyCategories": ["CRM"], "jobLevel": ["VP"], "country": ["US"] },
    "limit": 2000,
    "columns": ["person_id", "profile_full_name", "current_company_domain", "email_N_address"],
    "caps": { "emails": 1 }
  }'

The reply is a 202 with a job id. Poll GET /v1/exports/{id}, then fetch /v1/exports/{id}/download. An export takes up to 50,000 rows and bills 1 record per row.

FAQ