curl --request GET \
  --url https://api.letterdrop.com/api/v2/analytics/deal-overlap \
  --header 'api-key: <api-key>'

const options = {method: 'GET', headers: {'api-key': '<api-key>'}};

fetch('https://api.letterdrop.com/api/v2/analytics/deal-overlap', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.letterdrop.com/api/v2/analytics/deal-overlap"

headers = {"api-key": "<api-key>"}

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

print(response.text)

{
  "data": {
    "period": {
      "start_date": "2026-08-01",
      "end_date": "2026-10-31"
    },
    "deal_overlap_count": 11,
    "net_new_accounts_count": 530
  },
  "meta": {
    "api_version": "2",
    "data_as_of": "2026-11-02T09:36:28.016Z",
    "cache": "hit"
  }
}

{
  "error": {
    "code": "invalid_request",
    "message": "<string>",
    "details": [
      {
        "path": "<string>",
        "message": "<string>"
      }
    ]
  }
}

{
  "error": {
    "code": "invalid_request",
    "message": "<string>",
    "details": [
      {
        "path": "<string>",
        "message": "<string>"
      }
    ]
  }
}

{
  "error": {
    "code": "invalid_request",
    "message": "<string>",
    "details": [
      {
        "path": "<string>",
        "message": "<string>"
      }
    ]
  }
}

{
  "error": {
    "code": "invalid_request",
    "message": "<string>",
    "details": [
      {
        "path": "<string>",
        "message": "<string>"
      }
    ]
  }
}

{
  "error": {
    "code": "invalid_request",
    "message": "<string>",
    "details": [
      {
        "path": "<string>",
        "message": "<string>"
      }
    ]
  }
}