curl --request POST \
  --url https://intentleads.si/api/v1/lanes/{code}/estimate \
  --header 'Authorization: Bearer <token>'

const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};

fetch('https://intentleads.si/api/v1/lanes/{code}/estimate', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://intentleads.si/api/v1/lanes/{code}/estimate"

headers = {"Authorization": "Bearer <token>"}

response = requests.post(url, headers=headers)

print(response.text)

{
  "lane": "S1",
  "reused": true,
  "estimate": {
    "status": "done",
    "people": 41382,
    "requested_at": "2026-10-14T06:12:41.528311+00:00",
    "finished_at": "2026-10-14T06:12:41.528311+00:00",
    "approximate": false,
    "sample": [
      {
        "seniority": "VP+",
        "department": "Executive",
        "company": "Example Family Medicine",
        "industry": "Medical Practices",
        "employees": 34,
        "city": "Tampa",
        "state": "Florida",
        "has_business_email": true,
        "has_phone": true,
        "has_linkedin": false
      }
    ],
    "error": null,
    "note": "People who match the lane's filters now, leaving out anyone you've already bought, your exclusions and removals. Estimates usually take under an hour and are free."
  }
}

{
  "lane": "S1",
  "reused": false,
  "estimate": {
    "status": "queued",
    "people": null,
    "requested_at": "2026-10-14T06:12:41.528311+00:00",
    "finished_at": null,
    "approximate": false,
    "sample": [],
    "error": null,
    "note": "Counting. This usually takes under an hour; it's free."
  }
}

{
  "error": "unauthorized",
  "message": "Send a valid API key as: Authorization: Bearer il_live_…"
}

{
  "error": "lane_not_found",
  "message": "No lane L9."
}

{
  "error": "not_a_search_lane",
  "message": "L1 is an intent lane. Estimates are for search lanes; intent lanes are checked daily."
}

{
  "error": "internal_error",
  "message": "Something went wrong. Try again."
}