curl --request POST \
  --url https://api.folk.app/v1/tasks \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "entity": {
    "id": "per_55175e81-9a52-4ac3-930e-82792c23499b"
  },
  "title": "Follow up with John Doe",
  "dueAt": "2025-07-17",
  "dueTime": "15:00",
  "description": "Discuss the Q3 proposal.",
  "completedAt": "2025-07-17T09:00:00.000Z",
  "assignedUsers": [
    {
      "id": "<string>",
      "email": "<string>"
    }
  ],
  "isPublic": true
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    entity: {id: 'per_55175e81-9a52-4ac3-930e-82792c23499b'},
    title: 'Follow up with John Doe',
    dueAt: '2025-07-17',
    dueTime: '15:00',
    description: 'Discuss the Q3 proposal.',
    completedAt: '2025-07-17T09:00:00.000Z',
    assignedUsers: [{id: '<string>', email: '<string>'}],
    isPublic: true
  })
};

fetch('https://api.folk.app/v1/tasks', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.folk.app/v1/tasks"

payload = {
    "entity": { "id": "per_55175e81-9a52-4ac3-930e-82792c23499b" },
    "title": "Follow up with John Doe",
    "dueAt": "2025-07-17",
    "dueTime": "15:00",
    "description": "Discuss the Q3 proposal.",
    "completedAt": "2025-07-17T09:00:00.000Z",
    "assignedUsers": [
        {
            "id": "<string>",
            "email": "<string>"
        }
    ],
    "isPublic": True
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

require 'uri'
require 'net/http'

url = URI("https://api.folk.app/v1/tasks")

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  \"entity\": {\n    \"id\": \"per_55175e81-9a52-4ac3-930e-82792c23499b\"\n  },\n  \"title\": \"Follow up with John Doe\",\n  \"dueAt\": \"2025-07-17\",\n  \"dueTime\": \"15:00\",\n  \"description\": \"Discuss the Q3 proposal.\",\n  \"completedAt\": \"2025-07-17T09:00:00.000Z\",\n  \"assignedUsers\": [\n    {\n      \"id\": \"<string>\",\n      \"email\": \"<string>\"\n    }\n  ],\n  \"isPublic\": true\n}"

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

package main

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

func main() {

	url := "https://api.folk.app/v1/tasks"

	payload := strings.NewReader("{\n  \"entity\": {\n    \"id\": \"per_55175e81-9a52-4ac3-930e-82792c23499b\"\n  },\n  \"title\": \"Follow up with John Doe\",\n  \"dueAt\": \"2025-07-17\",\n  \"dueTime\": \"15:00\",\n  \"description\": \"Discuss the Q3 proposal.\",\n  \"completedAt\": \"2025-07-17T09:00:00.000Z\",\n  \"assignedUsers\": [\n    {\n      \"id\": \"<string>\",\n      \"email\": \"<string>\"\n    }\n  ],\n  \"isPublic\": true\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))

}

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.folk.app/v1/tasks",
  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([
    'entity' => [
        'id' => 'per_55175e81-9a52-4ac3-930e-82792c23499b'
    ],
    'title' => 'Follow up with John Doe',
    'dueAt' => '2025-07-17',
    'dueTime' => '15:00',
    'description' => 'Discuss the Q3 proposal.',
    'completedAt' => '2025-07-17T09:00:00.000Z',
    'assignedUsers' => [
        [
                'id' => '<string>',
                'email' => '<string>'
        ]
    ],
    'isPublic' => true
  ]),
  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;
}

{
  "data": {
    "id": "tsk_91118b73-5a75-480b-b8e3-a33671c35cdc",
    "title": "Follow up with John Doe",
    "description": "Discuss the Q3 proposal.",
    "entity": {
      "id": "per_55175e81-9a52-4ac3-930e-82792c23499b",
      "entityType": "person",
      "fullName": "John Doe"
    },
    "dueAt": "2025-07-17",
    "dueTime": "15:00",
    "completedAt": null,
    "recurrenceFrequency": null,
    "isPublic": true,
    "assignedUsers": [
      {
        "id": "usr_14c18444-a0c7-459a-86b0-ccd70ebcd65c",
        "fullName": "John Doe",
        "email": "john.doe@example.com"
      }
    ],
    "createdBy": {
      "id": "usr_14c18444-a0c7-459a-86b0-ccd70ebcd65c",
      "fullName": "John Doe",
      "email": "john.doe@example.com"
    },
    "createdAt": "2025-07-17T09:00:00.000Z",
    "updatedAt": "2025-07-17T09:00:00.000Z"
  }
}

{
  "error": {
    "code": "INVALID_REQUEST",
    "message": "The request was invalid.",
    "documentationUrl": "https://developer.folk.app/api-reference/errors#bad-request",
    "requestId": "123e4567-e89b-12d3-a456-426614174000",
    "timestamp": "2025-10-01T12:00:00Z"
  }
}

{
  "error": {
    "code": "UNAUTHORIZED",
    "message": "No valid API key provided.",
    "documentationUrl": "https://developer.folk.app/api-reference/errors#unauthorized",
    "requestId": "123e4567-e89b-12d3-a456-426614174000",
    "timestamp": "2025-10-01T12:00:00Z"
  }
}

{
  "error": {
    "code": "FORBIDDEN",
    "message": "The API key doesn’t have permissions to perform the request.",
    "documentationUrl": "https://developer.folk.app/api-reference/errors#forbidden",
    "requestId": "123e4567-e89b-12d3-a456-426614174000",
    "timestamp": "2025-10-01T12:00:00Z"
  }
}

{
  "error": {
    "code": "RESOURCE_NOT_FOUND",
    "message": "The requested resource was not found.",
    "documentationUrl": "https://developer.folk.app/api-reference/errors#not-found",
    "requestId": "123e4567-e89b-12d3-a456-426614174000",
    "timestamp": "2025-10-01T12:00:00Z"
  }
}

{
  "error": {
    "code": "IDEMPOTENCY_REQUEST_IN_PROGRESS",
    "message": "A request with the same Idempotency-Key is still being processed. Retry once it has completed.",
    "documentationUrl": "https://developer.folk.app/api-reference/idempotency#errors",
    "requestId": "123e4567-e89b-12d3-a456-426614174000",
    "timestamp": "2025-10-01T12:00:00Z"
  }
}

{
  "error": {
    "code": "UNPROCESSABLE_ENTITY",
    "message": "Invalid query parameters",
    "documentationUrl": "https://developer.folk.app/api-reference/errors#unprocessable-entity",
    "details": {
      "issues": [
        {
          "code": "too_small",
          "minimum": 1,
          "type": "number",
          "inclusive": true,
          "exact": false,
          "message": "Number must be greater than or equal to 1",
          "path": [
            "limit"
          ]
        }
      ]
    },
    "requestId": "123e4567-e89b-12d3-a456-426614174000",
    "timestamp": "2025-10-01T12:00:00Z"
  }
}

{
  "error": {
    "code": "TOO_MANY_REQUESTS",
    "message": "You have exceeded your rate limit.",
    "documentationUrl": "https://developer.folk.app/api-reference/errors#rate-limiting",
    "requestId": "123e4567-e89b-12d3-a456-426614174000",
    "timestamp": "2025-10-01T12:00:00Z",
    "details": {
      "policy": "burst",
      "limit": 20,
      "remaining": 0,
      "windowSeconds": 2,
      "retryAfter": "2025-10-01T12:00:02.000Z",
      "policies": [
        {
          "policy": "default",
          "limit": 600,
          "remaining": 412,
          "windowSeconds": 60,
          "retryAfter": "2025-10-01T12:01:00.000Z"
        },
        {
          "policy": "burst",
          "limit": 20,
          "remaining": 0,
          "windowSeconds": 2,
          "retryAfter": "2025-10-01T12:00:02.000Z"
        }
      ]
    }
  }
}

{
  "error": {
    "code": "INTERNAL_SERVER_ERROR",
    "message": "An internal server error occurred.",
    "documentationUrl": "https://developer.folk.app/api-reference/errors#internal-server-error",
    "requestId": "123e4567-e89b-12d3-a456-426614174000",
    "timestamp": "2025-10-01T12:00:00Z"
  }
}

{
  "error": {
    "code": "SERVICE_UNAVAILABLE",
    "message": "The service is currently unavailable.",
    "documentationUrl": "https://developer.folk.app/api-reference/errors#service-unavailable",
    "requestId": "123e4567-e89b-12d3-a456-426614174000",
    "timestamp": "2025-10-01T12:00:00Z"
  }
}