pip install tokeven

from anthropic import Anthropic
from tokeven import wrap

tracked = wrap(
    Anthropic(),
    ingest_token="tkv_ing_...",
    base_url="https://api.tokeven.com",
)

response = tracked.messages.create(
    model="claude-sonnet-4-6",
    max_tokens=1024,
    messages=[{"role": "user", "content": "Hello"}]
)
# Cost, tokens, and model tracked automatically