Add billing with
Python
Built for Python
Billing that fits your stack
The Python SDK follows Python conventions — snake_case methods, dictionary responses, and standard exception handling. Works with any Python web framework or script.
from commet import Commetcommet = Commet(api_key=os.environ["COMMET_API_KEY"])commet.customers.create(email="user@example.com",id="user_123",)subscription = commet.subscriptions.create(customer_id="user_123",plan_code="pro",)checkout_url = subscription.data["checkout_url"]
Get started
Install in seconds
Install the Commet Python SDK and start billing. Subscriptions, usage tracking, and checkout in a few lines of code.
pip install commet-sdk
Frequently Asked Questions
Install the Commet SDK, add your API key, and start billing. Follow the Python integration guide for a step-by-step walkthrough with code examples.
Commet supports metered (pay for what you use), credits (block when exhausted), balance (spend across features), seats (per-user pricing), and boolean (feature gating). Learn more in the consumption models guide.
Yes. Call the usage tracking method whenever a billable event happens. Commet aggregates usage and bills it at the end of each billing period. Works for API calls, AI tokens, storage, or any custom metric. See the usage tracking guide for details.
Yes. Commet has a built-in AI model catalog with per-token pricing. You can track input, output, and cache tokens with configurable margins. See the AI token billing guide for setup instructions.
Yes. Commet is a Merchant of Record that handles taxes, compliance, refunds, and payouts. Stripe Tax is integrated for automatic tax calculation. Read more about the Merchant of Record model.
Commet has no setup fees and no monthly minimums. You only pay 4.5% + $0.40 per successful transaction. You can start building and testing for free using the sandbox environment. See pricing for details.
Start billing in minutes
No setup fees. No monthly minimums. 4.5% + $0.40 per successful transaction.
Start billing for free