How Coefficient Runs Self-Serve, Enterprise, and AI Monetization on One Billing Platform

Coefficient's fragmented manual billing setup, relying on disconnected systems like Stripe and QuickBooks, created significant operational inefficiencies. Customer data went missing or stayed unmigrated. No single record showed who had paid. Billing insight sat locked behind engineering permissions, so anyone who needed a payment status had to ask an engineer.

In 2022, Coefficient's CTO led an evaluation of several billing systems. The team needed subscription lifecycle management, a self-serve checkout with billing built into the product, and support for manual, large-contract invoicing.

Coefficient chose Chargebee as its billing infrastructure and kept Stripe in place as its payment gateway.

Ali Block, who leads Billing Operations and Deal Desk at Coefficient, brought every active customer into Chargebee, including custom deals previously invoiced out of Stripe and QuickBooks. Chargebee became the single source of truth for thousands of active subscriptions and transactions each month across 175 countries.

One system now powers two distinct GTM motions. Self-serve customers pay by credit card, and enterprise customers sign custom terms with bank transfer and multi-year contracts. When a self-serve customer converts to a custom plan, the team updates the existing subscription in place, prorating from the current date to term end rather than reissuing and refunding.

The team also connected Chargebee as a live data source into Coefficient's internal analytics tool. "We always wanted our reps to have visibility into billing data — we just didn't have a good way to give it to them without giving them too much access in Chargebee," Ali says. Now a sales rep can see payment status, bounce reasons, and account history without going through billing operations at all. They can even ask the Coefficient Slack Agent about details regarding the subscription.

Once a configuration is set, Chargebee runs independently of engineering. "We partner with our engineers when we're building something new, but then it's straightforward once it's configured," Ali says. "I very rarely have to go to engineering to figure out what happened — did a customer purchase a new license, did they downgrade, was something off in the self-serve flow? I can do that directly."

Revenue recovery follows the same split. Automated dunning and email notifications recover self-serve payment failures without manual re-charging. Enterprise recovery stays hands-on through accounts payable outreach and invoicing systems like Coupa.

Without Chargebee, Coefficient would have needed to keep stitching subscription logic on top of Stripe and QuickBooks, the manual setup it had already outgrown. And when they launched new AI products, they would have had to buy and integrate a separate usage-based billing tool on top of that.

Coefficient is now building usage- and credit-based AI pricing on the same billing system. After four years of stable seat-based pricing, the shift is significant — a new product family, new value metrics, new billing logic to sync with actual customer usage. For Ali, the stakes are clear,"If we don't adapt to this, we get left behind." 

A usage metric for its AI dashboards is further along. A purely credit-based model for its new data agent product is implemented and ready to launch. Engineers build the product catalog and usage sync, then hand off to billing operations — the same pattern that has kept engineering focused on the core product for years. For Ali, extending into usage-based pricing felt like a next step rather than a new project, because the capability was already part of Chargebee. "It would have been really daunting to figure out how to incorporate usage-based billing if Chargebee didn't offer it and we had to find a new tool. Because Chargebee laid it out for us, we're doing it on infrastructure we already know." 

With Chargebee as the single source of truth for all of their active subscriptions, Coefficient's finance team moved from a multi-week process to one that its accounting firm completes in approximately one day — 1–2 weeks faster than before, and more accurately. Previously, reports pulled from disconnected systems could be outdated by the time the accounting team opened them. Now the data is live.

Chargebee as the single source of truth changed how the whole company works. Sales and support see payment status directly instead of routing questions through engineering. Coefficient also pulls Chargebee data into its own product. In about 10 minutes, the team rebuilt a cash-forecast view of unpaid invoices, annual upfront payments, and upcoming charges. It still uses that view regularly for planning.

As Coefficient's business scaled, its billing scaled on the same system. The company began on an entry-level monthly plan in 2022, moved to a high-volume enterprise plan by 2024, and has since quadrupled its annual invoicing volume — all on the same billing platform.

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