curl --request GET \
  --url https://api.flow.engineer/v1/app \
  --header 'Authorization: Bearer <token>'

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

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

import requests

url = "https://api.flow.engineer/v1/app"

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

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

print(response.text)

package main

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

func main() {

	url := "https://api.flow.engineer/v1/app"

	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))

}

{
  "account": {
    "id": "acct_01JB8YZ3N2Q4R6T8V0X2Z4B6D8",
    "name": "<string>",
    "plan": "free",
    "created_at": "2023-11-07T05:31:56Z"
  },
  "app": {
    "id": "app_01JB8Z0A1C3E5G7J9K1M3P5R7T",
    "account": "acct_01JB8YZ3N2Q4R6T8V0X2Z4B6D8",
    "name": "<string>",
    "api_version": "2023-12-25",
    "settings": {
      "transcription": true,
      "auto_read": true
    },
    "created_at": "2023-11-07T05:31:56Z",
    "sandbox_join_code": "brave-otter-40718263"
  },
  "api_key": {
    "id": "key_01JB8Z1B2D4F6H8K0M2P4R6T8W",
    "mode": "test",
    "last4": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "expires_at": "2023-11-07T05:31:56Z"
  },
  "livemode": true,
  "allowance": {
    "tier": "anonymous",
    "scope": "app",
    "channels": [
      "telegram"
    ],
    "contacts": {
      "limit": 1,
      "used": 1
    },
    "messages_per_contact": 1,
    "messages": {
      "limit": 1,
      "used": 1,
      "remaining": 1
    },
    "upgrade": "<string>",
    "expires_at": "2023-11-07T05:31:56Z"
  }
}

{
  "error": {
    "type": "authentication",
    "message": "No valid API key was given.",
    "hint": "Send the header Authorization: Bearer fk_test_... (or fk_live_...); no key yet? Get a test key with curl -X POST https://api.flow.engineer/v1/sandbox/keys",
    "doc_url": "https://api.flow.engineer/docs/errors/authentication"
  }
}

{
  "error": {
    "type": "new_contact_limit",
    "message": "This sender has started its 15 new conversations for today.",
    "hint": "Retry after 3600 seconds; replies into existing conversations still go.",
    "doc_url": "https://api.flow.engineer/docs/errors/new_contact_limit",
    "retry_after": 3600,
    "sender": "snd_01JB8Z4Q3V6W0R2N7C5H1M9K4T"
  }
}

{
  "error": {
    "type": "invalid_request",
    "message": "<string>",
    "hint": "Send a template instead: POST /v1/messages with content.type=template.",
    "doc_url": "https://api.flow.engineer/docs/errors/outside_window",
    "param": "<string>",
    "retry_after": 1,
    "conversation": "conv_01JB8ZC3K5M7P9R1T3V5X7Z9B1",
    "sender": "snd_01JB8Z4Q3V6W0R2N7C5H1M9K4T",
    "channel_code": "<string>",
    "request_id": "<string>"
  }
}