curl --request POST \
  --url https://api.hellotracks.com/v1/reports/preview \
  --header 'API-Key: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "request": {
    "report": "timesheet",
    "view": "perPerson",
    "period": "lastWeek",
    "compare": true,
    "who": {
      "kind": "people",
      "teamIds": [],
      "memberUids": [
        "a1b2c3"
      ]
    },
    "places": {
      "kind": "all",
      "field": "",
      "value": "",
      "teamIds": [],
      "placeUids": []
    },
    "options": {},
    "format": "xlsx"
  }
}
'

import requests

url = "https://api.hellotracks.com/v1/reports/preview"

payload = { "request": {
        "report": "timesheet",
        "view": "perPerson",
        "period": "lastWeek",
        "compare": True,
        "who": {
            "kind": "people",
            "teamIds": [],
            "memberUids": ["a1b2c3"]
        },
        "places": {
            "kind": "all",
            "field": "",
            "value": "",
            "teamIds": [],
            "placeUids": []
        },
        "options": {},
        "format": "xlsx"
    } }
headers = {
    "API-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    request: {
      report: 'timesheet',
      view: 'perPerson',
      period: 'lastWeek',
      compare: true,
      who: {kind: 'people', teamIds: [], memberUids: ['a1b2c3']},
      places: {kind: 'all', field: '', value: '', teamIds: [], placeUids: []},
      options: {},
      format: 'xlsx'
    }
  })
};

fetch('https://api.hellotracks.com/v1/reports/preview', 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.hellotracks.com/v1/reports/preview",
  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([
    'request' => [
        'report' => 'timesheet',
        'view' => 'perPerson',
        'period' => 'lastWeek',
        'compare' => true,
        'who' => [
                'kind' => 'people',
                'teamIds' => [
                                
                ],
                'memberUids' => [
                                'a1b2c3'
                ]
        ],
        'places' => [
                'kind' => 'all',
                'field' => '',
                'value' => '',
                'teamIds' => [
                                
                ],
                'placeUids' => [
                                
                ]
        ],
        'options' => [
                
        ],
        'format' => 'xlsx'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "API-Key: <api-key>",
    "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.hellotracks.com/v1/reports/preview"

	payload := strings.NewReader("{\n  \"request\": {\n    \"report\": \"timesheet\",\n    \"view\": \"perPerson\",\n    \"period\": \"lastWeek\",\n    \"compare\": true,\n    \"who\": {\n      \"kind\": \"people\",\n      \"teamIds\": [],\n      \"memberUids\": [\n        \"a1b2c3\"\n      ]\n    },\n    \"places\": {\n      \"kind\": \"all\",\n      \"field\": \"\",\n      \"value\": \"\",\n      \"teamIds\": [],\n      \"placeUids\": []\n    },\n    \"options\": {},\n    \"format\": \"xlsx\"\n  }\n}")

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

	req.Header.Add("API-Key", "<api-key>")
	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.hellotracks.com/v1/reports/preview")
  .header("API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"request\": {\n    \"report\": \"timesheet\",\n    \"view\": \"perPerson\",\n    \"period\": \"lastWeek\",\n    \"compare\": true,\n    \"who\": {\n      \"kind\": \"people\",\n      \"teamIds\": [],\n      \"memberUids\": [\n        \"a1b2c3\"\n      ]\n    },\n    \"places\": {\n      \"kind\": \"all\",\n      \"field\": \"\",\n      \"value\": \"\",\n      \"teamIds\": [],\n      \"placeUids\": []\n    },\n    \"options\": {},\n    \"format\": \"xlsx\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.hellotracks.com/v1/reports/preview")

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

request = Net::HTTP::Post.new(url)
request["API-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"request\": {\n    \"report\": \"timesheet\",\n    \"view\": \"perPerson\",\n    \"period\": \"lastWeek\",\n    \"compare\": true,\n    \"who\": {\n      \"kind\": \"people\",\n      \"teamIds\": [],\n      \"memberUids\": [\n        \"a1b2c3\"\n      ]\n    },\n    \"places\": {\n      \"kind\": \"all\",\n      \"field\": \"\",\n      \"value\": \"\",\n      \"teamIds\": [],\n      \"placeUids\": []\n    },\n    \"options\": {},\n    \"format\": \"xlsx\"\n  }\n}"

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

{
  "data": {
    "model": {
      "report": "timesheet",
      "title": "Timesheet"
    },
    "html": "<section>...</section>",
    "columns": [
      {
        "key": "member",
        "label": "Member",
        "standard": true
      }
    ]
  },
  "error": null,
  "meta": {
    "path": "/v1/reports/preview",
    "method": "POST"
  }
}

{
  "data": null,
  "error": {
    "code": "invalid_request",
    "message": "date must be YYYY-MM-DD"
  },
  "meta": {
    "path": "/jobs",
    "method": "GET"
  }
}

{
  "data": null,
  "error": {
    "code": "invalid_api_key",
    "message": "Invalid Hellotracks API key."
  },
  "meta": {
    "path": "/jobs",
    "method": "GET"
  }
}

{
  "data": null,
  "error": {
    "code": "forbidden",
    "message": "No permission."
  },
  "meta": {
    "path": "/jobs",
    "method": "GET"
  }
}

{
  "data": null,
  "error": {
    "code": "throttled",
    "message": "Too many requests."
  },
  "meta": {
    "path": "/jobs",
    "method": "GET"
  }
}

{
  "data": null,
  "error": {
    "code": "internal_error",
    "message": "Hellotracks API is temporarily unavailable."
  },
  "meta": {
    "path": "/jobs",
    "method": "GET"
  }
}