Create a single population

curl -X POST 'https://api.growthbook.io/api/v1/populations' \
  -H 'Authorization: Bearer YOUR_API_KEY'

import requests

url = "https://api.growthbook.io/api/v1/populations"

payload = {
    "name": "<string>",
    "datasource": "<string>",
    "userIdTypes": ["<string>"],
    "steps": [
        {
            "source": {
                "type": "factTable",
                "factTableId": "<string>"
            },
            "rowFilters": [
                {
                    "column": "<string>",
                    "values": ["<string>"]
                }
            ],
            "aggregateFilter": "<string>",
            "aggregateFilterColumn": "<string>"
        }
    ],
    "description": "<string>",
    "owner": "<string>",
    "projects": ["<string>"]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: '<string>',
    datasource: '<string>',
    userIdTypes: ['<string>'],
    steps: [
      {
        source: {type: 'factTable', factTableId: '<string>'},
        rowFilters: [{column: '<string>', values: ['<string>']}],
        aggregateFilter: '<string>',
        aggregateFilterColumn: '<string>'
      }
    ],
    description: '<string>',
    owner: '<string>',
    projects: ['<string>']
  })
};

fetch('https://api.growthbook.io/api/v1/populations', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.growthbook.io/api/v1/populations",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'name' => '<string>',
    'datasource' => '<string>',
    'userIdTypes' => [
        '<string>'
    ],
    'steps' => [
        [
                'source' => [
                                'type' => 'factTable',
                                'factTableId' => '<string>'
                ],
                'rowFilters' => [
                                [
                                                                'column' => '<string>',
                                                                'values' => [
                                                                                                                                '<string>'
                                                                ]
                                ]
                ],
                'aggregateFilter' => '<string>',
                'aggregateFilterColumn' => '<string>'
        ]
    ],
    'description' => '<string>',
    'owner' => '<string>',
    'projects' => [
        '<string>'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.growthbook.io/api/v1/populations"

	payload := strings.NewReader("{\n  \"name\": \"<string>\",\n  \"datasource\": \"<string>\",\n  \"userIdTypes\": [\n    \"<string>\"\n  ],\n  \"steps\": [\n    {\n      \"source\": {\n        \"type\": \"factTable\",\n        \"factTableId\": \"<string>\"\n      },\n      \"rowFilters\": [\n        {\n          \"column\": \"<string>\",\n          \"values\": [\n            \"<string>\"\n          ]\n        }\n      ],\n      \"aggregateFilter\": \"<string>\",\n      \"aggregateFilterColumn\": \"<string>\"\n    }\n  ],\n  \"description\": \"<string>\",\n  \"owner\": \"<string>\",\n  \"projects\": [\n    \"<string>\"\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.growthbook.io/api/v1/populations")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"<string>\",\n  \"datasource\": \"<string>\",\n  \"userIdTypes\": [\n    \"<string>\"\n  ],\n  \"steps\": [\n    {\n      \"source\": {\n        \"type\": \"factTable\",\n        \"factTableId\": \"<string>\"\n      },\n      \"rowFilters\": [\n        {\n          \"column\": \"<string>\",\n          \"values\": [\n            \"<string>\"\n          ]\n        }\n      ],\n      \"aggregateFilter\": \"<string>\",\n      \"aggregateFilterColumn\": \"<string>\"\n    }\n  ],\n  \"description\": \"<string>\",\n  \"owner\": \"<string>\",\n  \"projects\": [\n    \"<string>\"\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.growthbook.io/api/v1/populations")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"<string>\",\n  \"datasource\": \"<string>\",\n  \"userIdTypes\": [\n    \"<string>\"\n  ],\n  \"steps\": [\n    {\n      \"source\": {\n        \"type\": \"factTable\",\n        \"factTableId\": \"<string>\"\n      },\n      \"rowFilters\": [\n        {\n          \"column\": \"<string>\",\n          \"values\": [\n            \"<string>\"\n          ]\n        }\n      ],\n      \"aggregateFilter\": \"<string>\",\n      \"aggregateFilterColumn\": \"<string>\"\n    }\n  ],\n  \"description\": \"<string>\",\n  \"owner\": \"<string>\",\n  \"projects\": [\n    \"<string>\"\n  ]\n}"

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

{
  "population": {
    "id": "<string>",
    "dateCreated": "2023-11-07T05:31:56Z",
    "dateUpdated": "2023-11-07T05:31:56Z",
    "projects": [
      "<string>"
    ],
    "owner": "<string>",
    "name": "<string>",
    "description": "<string>",
    "datasource": "<string>",
    "userIdTypes": [
      "<string>"
    ],
    "steps": [
      {
        "source": {
          "type": "factTable",
          "factTableId": "<string>"
        },
        "rowFilters": [
          {
            "operator": "=",
            "column": "<string>",
            "values": [
              "<string>"
            ]
          }
        ],
        "windowSettings": {
          "type": "conversion",
          "delayValue": 123,
          "delayUnit": "weeks",
          "windowValue": 123,
          "windowUnit": "weeks"
        },
        "aggregateFilter": "<string>",
        "aggregateFilterColumn": "<string>"
      }
    ],
    "ownerEmail": "<string>"
  }
}