Billing Software Simplified

Automate usage-based billing for API companies

Configure and iterate pricing models like pay-as-you-go, tiered, freemium, committed use discounts, burst pricing, flat rate, or hybrid models. Meter API calls at scale, and automate billing – with our point-and-click web interface, developer-friendly API, or both.

Every team wins with Zenskar

For C-suite

Set up any subscription or usage-based pricing model, support your sales team to negotiate custom pricing, and close deals faster – without diverting engineering resources.

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For Finance

Turn API usage data into billable metrics seamlessly. Generate invoices, reconcile payments, recognize revenue, and streamline reporting - no spreadsheets required.

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For Product

A/B test pricing tiers, get real-time visibility into API usage and adoption trends, and ship faster – without worrying about metering or billing limitations.

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Price however you want

Pay-per-call, tiered pricing, volume discounts, freemium with usage limits – create any pricing plan with no-code contract builder.
Experiment with pricing strategies in a sandbox. Switch between pricing models, and evaluate pricing impact on API adoption – without writing a single line of code.
Empower sales to create custom quotes on demand, and close deals quickly with pre-built product catalogs and pricing plans.

Meter usage accurately

Ingest API usage data via webhooks, or plug your existing data pipeline into Zenskar with native integrations.
Get round-the-clock visibility into API usage and acquire rich, actionable product and pricing insights.

Set API rate limits and manage entitlements

Allocate API usage entitlements however you want – per user, account-wide, or even endpoint-specific.
Automatically track and deduct credits as your customers make API calls. Limit API access once credit is reached, or bill for overages.

Minimize billing disputes and get paid faster

Include detailed API usage metrics like request volumes, data transfers, and error rates on customer invoices for transparency.
Let customers download complete API logs with granular usage data from the self-server customer dashboard or attach reports directly to email invoices.
Set up automated payment reminders tailored to different customer segments based on plan, usage, location, etc.
Integrate with different payment gateways, get payments from multiple currencies around the world, and improve cash flow.

Get 360° business analytics at your fingertips

Get a unified view across your API calls, usage, billing, payments, and revenue cycles.
Analyze API usage patterns against recognized revenue by plan, customer segment, and more to spot growth opportunities.
Set up alerts for abnormal usage spikes or drops to proactively engage customers, troubleshoot issues, and prevent churn.

Automate revenue recognition

Build flexible revenue recognition rules for any API pricing model - tiers, pay-per-use, committed-use, overage fees, and more.
Translate usage and billing events into accurate accrual-based journal entries for revenue, deferred revenue, and receivables.
Recognize revenue across jurisdictions, calculate forex gains/losses, and maintain parallel ledger for tax compliance and reporting.
Adhere to ASC 606/IFRS 15 accrual standards out-of-the-box. Breeze through audits with error-free financials.

How Zenskar works

See how Zenskar automate you financial operations end to end


Build any pricing model - subscription, usage-based, or hybrid. Apply discounts and rollovers instantly.


Accept payments via payment gateways, ACH, or wire transfer. Automate payment reminders and dunning to boost cash flow.


Automate ASC 606/IFRS 15 compliant revenue recognition based on contract terms & performance obligations. Close books faster.


Meter usage events in real-time. Group usage into bundles and map them to pricing plans for accurate billing with or without code.


Generate invoices with customizable templates. Automatically send invoices, usage reports, and receipts via email.


Get real-time financial insights with custom reports & dashboards. Monitor key metrics, identify trends, and make better decisions.

Trusted by industry experts

Fast-growing companies choose Zenskar for smooth, flexible and reliable billing to power their growth.
Zenskar truly exceeded our expectations with the receivables process. Not only did it significantly cut down the grunt work for the finance department, we also saw an uptick in our monthly cash flows.
Anubhav Srivastava
Manual follow-ups were often missed, leading to delayed payments. Thanks to Zenskar, we no longer have to do this manually. After automating our receivables with Zenskar, our DSO reduced by 5 days.
Cory Linton
Zenskar's customization ensures that our communication with clients is always personalized and effective. We can now automate repetitive tasks and focus on more important aspects of our business.
Noy Kalansky
Finance Controller

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January 22, 2024

Where and Why is Engineering Bandwidth Consumed When Solving Billing Problems

Ever wondered how your engineering team's time disappears in managing billing complexities? In our latest blog, we dive into the key points where billing processes overburden valuable engineering resources. We take a look at the many billing challenges that may be hindering your engineering team's potential and share insights into optimizing your team's efficiency.
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Implementing Usage-Based Pricing (A Non-Technical POV)

Recent software trends demand a shift toward charging based on usage rather than the number of users. This comprehensive guide outlines the steps involved, from identifying pricing axes to integrating usage data with billing systems.
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Frequently asked questions

Got more questions? Write to us at [email protected]

We are always happy to answer any questions :)
Can Zenskar handle concurrent usage from multiple customers?
Absolutely! Our infrastructure easily supports horizontal scaling and can process up to 50,000 events per second.
Our latency is around 50 ms, ensuring quick request complications. 

It allows you to meter usage in near real-time, perfect for scaling AI businesses with usage-based pricing.
How does Zenskar help with forecasting and modeling revenues?
Our real-time usage data and historical analytics provide granular visibility into customer usage and spending patterns. This helps your finance teams build accurate revenue projections based on pricing, promotions, seasonality, and other factors.
How long does it take to integrate with Zenskar?
The implementation usually takes 6 - 10 weeks to complete. It includes migrating data, integrating existing tools, configuring workflows, and final rollout. However, the exact timeframe can vary based on the complexity of pricing models, existing processes, and other factors.

Throughout implementation, the Zenskar team provides live support via Slack, Email, and Zoom to ensure a smooth and rapid rollout.
What are the rate limits when using Zenskar for usage based pricing?
Usage data is a core feature of Zenskar, not an afterthought. We've built the capability keeping in mind the complex use cases of metered billing. Our rate limits can go upto about 1000 operations per second depending on the pricing plan. To put this is perspective, Stripe allows upto 100 read and write operations per second in live mode. In addition to this, we offer 1 Million free events every billing cycle to send usage events.