curl --request POST \
  --url https://api.altrum.ai/anthropic/v1/messages/count_tokens \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "anthropic/claude-sonnet-4-5",
  "messages": [
    {
      "role": "user",
      "content": "Say hello."
    }
  ]
}
'

import requests

url = "https://api.altrum.ai/anthropic/v1/messages/count_tokens"

payload = {
    "model": "anthropic/claude-sonnet-4-5",
    "messages": [
        {
            "role": "user",
            "content": "Say hello."
        }
    ]
}
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({
    model: 'anthropic/claude-sonnet-4-5',
    messages: [{role: 'user', content: 'Say hello.'}]
  })
};

fetch('https://api.altrum.ai/anthropic/v1/messages/count_tokens', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "input_tokens": 10
}

{
  "type": "error",
  "error": {
    "type": "model_blocked",
    "message": "Model 'claude-opus-4' is not allowed"
  },
  "request_id": "4f9c..."
}

{
  "type": "error",
  "error": {
    "type": "model_blocked",
    "message": "Model 'claude-opus-4' is not allowed"
  },
  "request_id": "4f9c..."
}

{
  "type": "error",
  "error": {
    "type": "model_blocked",
    "message": "Model 'claude-opus-4' is not allowed"
  },
  "request_id": "4f9c..."
}

{
  "type": "error",
  "error": {
    "type": "model_blocked",
    "message": "Model 'claude-opus-4' is not allowed"
  },
  "request_id": "4f9c..."
}