curl --request POST \
  --url https://api.iotools.cloud/v1/tool/http-request-header-builder \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "headers": "Content-Type: application/json\nAuthorization: Bearer abc123",
  "url": "https://api.example.com/users",
  "method": "POST"
}
'

{
  "tool": "http-request-header-builder",
  "tool_version": "1.0.1",
  "outputs": {
    "headerOutput": "Content-Type: application/json\nAuthorization: Bearer abc123",
    "curlCommand": "curl -X POST -H \"Content-Type: application/json\" -H \"Authorization: Bearer abc123\" \"https://api.example.com/users\"",
    "fetchSnippet": "fetch(\"https://api.example.com/users\", {\n  method: \"POST\",\n  headers: {\n    \"Content-Type\": \"application/json\",\n    \"Authorization\": \"Bearer abc123\"\n  }\n})\n  .then((response) => response.json())\n  .then((data) => console.log(data));"
  },
  "credits_used": 3,
  "credits_remaining": null
}