Add billing with
Codex
Automatic
Billing expertise built into Codex
Point Codex at the Commet docs to generate the full billing integration. Works with the API and SDKs.
import Commet from "commet-node";const commet = new Commet({ apiKey: process.env.COMMET_API_KEY });// Track usageawait commet.usage.track({customerId: "cus_123",featureSlug: "api-calls",amount: 1,});// Check accessconst access = await commet.entitlements.check({customerId: "cus_123",featureSlug: "api-calls",});if (!access.allowed) {throw new Error("Usage limit reached");}
codex mcp add commet --url https://commet.co/mcp
Easy to use
Add Commet MCP to Codex
Configure the MCP server to create plans, manage subscriptions, and track usage directly from Codex.
Agent Skills
Install Commet Skills
Agent Skills give Codex the expertise it needs to set up billing, configure pricing models, and follow best practices. Install them with a single command.
npx skills add commet-labs/commet-skills
Frequently Asked Questions
Install the Commet MCP server in Codex and connect it with your API key. Once connected, you can create plans, configure pricing models, manage subscriptions, and track usage — all without leaving Codex.
Commet supports metered (pay for what you use), credits (block when exhausted), balance (spend across features), seats (per-user pricing), and boolean (feature gating). You can configure any of these through the MCP server or SDK.
The Commet MCP server is a Model Context Protocol server that gives Codex native tools to manage billing. Once installed, Codex can create plans, manage subscriptions, track usage, and generate invoices through natural language.
Agent Skills give Codex modular billing expertise — pricing model patterns, subscription lifecycle best practices, and SDK integration knowledge. Install them with a single command: npx skills add commet-labs/commet-skills.
Yes. Commet has a built-in AI model catalog with per-token pricing. You can track input, output, and cache tokens with configurable margins. Usage events calculate costs automatically using the balance consumption model.
Yes. Commet is a Merchant of Record that handles taxes, compliance, refunds, and payouts. Stripe Tax is integrated for automatic tax calculation. You don't need to worry about tax logic.
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.
Start billing in minutes
No setup fees. No monthly minimums. 4.5% + $0.40 per successful transaction.
Start billing for free