curl --request PATCH \
  --url https://api.lemlist.com/api/v2/enrichments/waterfalls/{waterfallId} \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '{}'

import requests

url = "https://api.lemlist.com/api/v2/enrichments/waterfalls/{waterfallId}"

payload = {}
headers = {
    "Authorization": "Basic <encoded-value>",
    "Content-Type": "application/json"
}

response = requests.patch(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Basic <encoded-value>', 'Content-Type': 'application/json'},
  body: JSON.stringify({})
};

fetch('https://api.lemlist.com/api/v2/enrichments/waterfalls/{waterfallId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

require 'uri'
require 'net/http'

url = URI("https://api.lemlist.com/api/v2/enrichments/waterfalls/{waterfallId}")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Patch.new(url)
request["Authorization"] = 'Basic <encoded-value>'
request["Content-Type"] = 'application/json'
request.body = "{}"

response = http.request(request)
puts response.read_body

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.lemlist.com/api/v2/enrichments/waterfalls/{waterfallId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Basic <encoded-value>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

{
  "data": {
    "id": "ecw_ExAmPlE1234567890a",
    "type": "email",
    "name": "Europe email waterfall",
    "isDefault": false,
    "editor": "usr_ExAmPlE1234567890a",
    "conditions": {
      "country": {
        "in": [
          "FR",
          "DE",
          "ES",
          "IT",
          "GB"
        ]
      }
    },
    "providers": [
      {
        "id": "findymail",
        "order": 1,
        "enabled": true
      },
      {
        "id": "prospeo",
        "order": 2,
        "enabled": true
      },
      {
        "id": "lusha",
        "order": 3,
        "enabled": false
      },
      {
        "id": "datagma",
        "order": 4,
        "enabled": false
      }
    ],
    "createdAt": "2026-09-10T14:03:00.000Z",
    "updatedAt": "2026-09-11T08:20:00.000Z"
  }
}

{
  "error": "Unknown provider \"hunter\" for type \"email\"",
  "code": "ENRICHMENT_WATERFALL_UNKNOWN_PROVIDER"
}

{
  "error": "Route unauthorized",
  "code": "ROUTE_UNAUTHORIZED"
}

{
  "error": "Waterfall not found",
  "code": "ENRICHMENT_WATERFALL_NOT_FOUND"
}

{
  "error": "Internal error",
  "code": "INTERNAL_ERROR"
}