curl --request POST \
  --url https://api.flow.engineer/v1/sandbox/keys \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>"
}
'

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({name: '<string>'})
};

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

import requests

url = "https://api.flow.engineer/v1/sandbox/keys"

payload = { "name": "<string>" }
headers = {"Content-Type": "application/json"}

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

print(response.text)

package main

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

func main() {

	url := "https://api.flow.engineer/v1/sandbox/keys"

	payload := strings.NewReader("{\n  \"name\": \"<string>\"\n}")

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

	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))

}

{
  "key": "fk_test_...",
  "api_key": {
    "id": "key_01JB8Z1B2D4F6H8K0M2P4R6T8W",
    "mode": "test",
    "last4": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "expires_at": "2023-11-07T05:31:56Z"
  },
  "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"
  },
  "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"
  },
  "claim_token": "fct_...",
  "claim_url": "https://api.flow.engineer/admin/claim#token=fct_...",
  "senders": [
    {
      "id": "snd_01JB8Z4Q3V6W0R2N7C5H1M9K4T",
      "channel": "telegram",
      "kind": "shared",
      "livemode": true,
      "status": "pending",
      "address": {
        "phone": "<string>",
        "username": "<string>",
        "handle": "<string>",
        "link": "<string>"
      },
      "limits": {
        "new_contacts_per_day": 123,
        "new_contacts_per_hour": 123,
        "whatsapp_tier": "<string>"
      },
      "created_at": "2023-11-07T05:31:56Z",
      "display_name": "<string>",
      "throttled_until": "2023-11-07T05:31:56Z",
      "quality_rating": "green",
      "join_code": "join brave-otter-40718263"
    }
  ]
}

{
  "error": {
    "type": "invalid_request",
    "message": "limit must be between 1 and 100.",
    "hint": "Pass limit between 1 and 100 (default 20), and page with after or before.",
    "doc_url": "https://api.flow.engineer/docs/errors/invalid_request",
    "param": "limit"
  }
}

{
  "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>"
  }
}