curl --request POST \
  --url https://api.iotools.cloud/v1/tool/twitter-character-counter \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "tweetText": "Check out my new site at https://example.com - let me know what you think!"
}
'

{
  "tool": "twitter-character-counter",
  "tool_version": "1.0.1",
  "outputs": {
    "stats": [
      {
        "metric": "Effective character count",
        "value": "78"
      },
      {
        "metric": "Remaining characters",
        "value": "202"
      },
      {
        "metric": "Over limit",
        "value": "No"
      },
      {
        "metric": "Character limit",
        "value": "280"
      },
      {
        "metric": "URLs detected (23 chars each)",
        "value": "1"
      }
    ]
  },
  "credits_used": 3,
  "credits_remaining": null
}