curl --request POST \
  --url https://app.letsflow.ai/v1/tickets/{key}/messages \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "data": {
    "body_text": "<string>",
    "attachment_blob_refs": [
      "3c90c3cc-0d44-4b50-8888-8dd25736052a"
    ]
  }
}
'

import requests

url = "https://app.letsflow.ai/v1/tickets/{key}/messages"

payload = { "data": {
        "body_text": "<string>",
        "attachment_blob_refs": ["3c90c3cc-0d44-4b50-8888-8dd25736052a"]
    } }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    data: {
      body_text: '<string>',
      attachment_blob_refs: ['3c90c3cc-0d44-4b50-8888-8dd25736052a']
    }
  })
};

fetch('https://app.letsflow.ai/v1/tickets/{key}/messages', 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://app.letsflow.ai/v1/tickets/{key}/messages",
  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([
    'data' => [
        'body_text' => '<string>',
        'attachment_blob_refs' => [
                '3c90c3cc-0d44-4b50-8888-8dd25736052a'
        ]
    ]
  ]),
  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;
}

package main

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

func main() {

	url := "https://app.letsflow.ai/v1/tickets/{key}/messages"

	payload := strings.NewReader("{\n  \"data\": {\n    \"body_text\": \"<string>\",\n    \"attachment_blob_refs\": [\n      \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n    ]\n  }\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))

}

HttpResponse<String> response = Unirest.post("https://app.letsflow.ai/v1/tickets/{key}/messages")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"data\": {\n    \"body_text\": \"<string>\",\n    \"attachment_blob_refs\": [\n      \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n    ]\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.letsflow.ai/v1/tickets/{key}/messages")

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  \"data\": {\n    \"body_text\": \"<string>\",\n    \"attachment_blob_refs\": [\n      \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n    ]\n  }\n}"

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

{
  "data": {
    "id": "<string>",
    "author": {
      "id": "<string>",
      "actor_type": "<string>",
      "principal_id": "<string>",
      "internal_key": "<string>",
      "display_name": "<string>",
      "email": "<string>",
      "avatar_url": "<string>"
    },
    "direction": "<string>",
    "message_kind": "<string>",
    "visibility": "<string>",
    "body_text": "<string>",
    "delivery_state": "pending",
    "delivery_channel_kind": "slack",
    "delivery_target_kind": "slack_thread",
    "external_message_ref": "<string>",
    "attachment_rejection_notice": {
      "body_text": "<string>",
      "created_at": "2023-11-07T05:31:56Z"
    },
    "metadata": {},
    "created_at": "<string>"
  },
  "meta": {
    "request_id": "<string>",
    "correlation_id": "<string>",
    "operation": "<string>",
    "resource": "<string>"
  }
}

{
  "type": "https://app.letsflow.ai/problems/access-grant-not-found",
  "title": "<string>",
  "status": 123,
  "code": "access_grant_admin_extension_required",
  "detail": "<string>",
  "instance": "<string>",
  "request_id": "<string>",
  "correlation_id": "<string>",
  "retryable": true,
  "auth_failure_reason": "<string>",
  "availability_reason": "capability_disabled",
  "re_auth_required": true,
  "violations": [
    {
      "field": "<string>",
      "message": "<string>",
      "capability": "<string>",
      "details": {}
    }
  ],
  "diagnostics": [
    {
      "code": "<string>",
      "severity": "info",
      "message": "<string>",
      "fixHint": "<string>",
      "location": {
        "file": "<string>",
        "line": 2,
        "column": 2,
        "stepId": "<string>"
      }
    }
  ]
}