curl --request GET \
  --url https://api.formo.so/v0/retention \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.formo.so/v0/retention"

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

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

print(response.text)

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

fetch('https://api.formo.so/v0/retention', 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.formo.so/v0/retention",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://api.formo.so/v0/retention"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.formo.so/v0/retention")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.formo.so/v0/retention")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "meta": [
    {
      "name": "metric",
      "type": "Tuple(project_id String, user_count UInt64, day7_retained UInt64, day30_retained UInt64, day90_retained UInt64, day7_retention_rate Float64, day30_retention_rate Float64, day90_retention_rate Float64)"
    },
    {
      "name": "user",
      "type": "Array(Tuple(project_id String, cohort_week Date, num_users UInt64, week_0 Float64, week_1 Float64, week_2 Float64, week_3 Float64, week_4 Float64, week_5 Float64, week_6 Float64, week_7 Float64, week_8 Float64, week_9 Float64, week_10 Float64, week_11 Float64, week_12 Float64))"
    }
  ],
  "data": [
    {
      "metric": [
        "proj_abc",
        1284,
        412,
        198,
        76,
        0.32,
        0.154,
        0.059
      ],
      "user": [
        [
          "proj_abc",
          "2025-07-28",
          142,
          100,
          48,
          32,
          22,
          18,
          14,
          12,
          11,
          9,
          8,
          7,
          6,
          null,
          null
        ],
        [
          "proj_abc",
          "2025-08-04",
          178,
          100,
          52,
          36,
          26,
          20,
          16,
          14,
          12,
          10,
          9,
          8,
          null,
          null,
          null
        ],
        [
          "proj_abc",
          "2025-08-11",
          165,
          100,
          50,
          34,
          24,
          19,
          15,
          13,
          11,
          null,
          null,
          null,
          null,
          null,
          null
        ]
      ]
    }
  ],
  "rows": 1,
  "rows_before_limit_at_least": 1
}

{
  "error": {
    "message": "<string>",
    "doc_url": "<string>",
    "param": "<string>",
    "details": {}
  }
}

{
  "error": {
    "message": "<string>",
    "doc_url": "<string>",
    "param": "<string>",
    "details": {}
  }
}