usage-based-pricing
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MATRIXX makes the phone bill keep up with the phone
A mobile offer is only as nimble as the machinery that prices it. MATRIXX built that machinery for real-time commerce - and Amdocs paid approximately $197 million to bring it in-house.
Datadog Put the Cloud on One Screen. Then the Meter Started Running.
Datadog made a large business out of ending one old argument: developers blamed operations, operations blamed developers, and neither side saw the same evidence. Its unified screen now watches everything from Kubernetes clusters to AI agents - while asking customers to watch the meter, too.
Zuora Sold the Subscription Economy. Now It Has to Bill the AI Economy.
The company that turned recurring billing into a management philosophy is private again - and betting that AI will make the meter, invoice and ledger more complicated than ever.
Brands Don't Quit Braze and Iterable Over Features
Teams leave Iterable when its subscriber-count billing charges for the dead weight of inactive contacts. They leave Braze when its floor - north of fifty thousand dollars a year - clears the mid-market budget. Same door, opposite directions.
Apurv Bansal Took the Long Way Back to Building
He sold a startup, went to Harvard, joined Google, became a venture capitalist, and still felt pulled toward the founder’s chair. Zenskar is what happened when Apurv Bansal finally stopped circling and chose a problem built for a long game.
Tiugo Technologies
Tiugo is assembling the invisible machinery behind digital content - four familiar developer tools, one shared growth engine, and a bet that editing, managing and delivering files work better together.
Retell AI Built a $60M Business on 5 Cents a Minute
The YC-backed voice startup raised about $5 million, then rode 650% growth to a $60 million run rate - selling AI phone agents by the minute while Microsoft, Salesforce and Cresta chase the same calls.
Upstash
Upstash is a serverless data platform built for developers who deploy at the edge. Its flagship product is a Redis-compatible database that talks over HTTP instead of a persistent TCP connection, which makes it work inside serverless and edge runtimes where traditional Redis breaks. Around that core it has added QStash (a serverless message queue and scheduler), Upstash Vector (a serverless vector database), Search, and Workflow (durable serverless functions). Everything is priced per request with a guaranteed cap, so developers start free and pay only for what they use. Founded in 2020 by ex-Hazelcast engineers, Upstash powers Vercel KV under the hood and reached $1M ARR two years after its seed round.
Paid
Paid is a monetization platform for AI agents. Instead of charging by the seat or the API call, it lets agent builders price by the outcome an agent delivers - points of margin saved, tasks completed, revenue generated - then tracks the underlying costs and margins in real time and hands the customer a receipt proving the value. Founded by Outreach creator Manny Medina and a team that previously built billing at Salesforce, Palantir and Pleo, Paid raised $33.3M across a 2025 pre-seed and seed and is building the plumbing for how software gets paid when the software is an autonomous worker.
OneRange
OneRange is a New York-based HR-tech company building a skills-first talent growth platform. It connects employees' career goals to in-demand skills, then uses AI to match them with the right learning resource from a marketplace of 22,000+ options - courses, books, conferences, certifications - while giving employers usage-based pricing, automated approvals, virtual payment cards, and real-time skill and spend analytics. The pitch: pay only for the learning people actually use, and put employees in the driver's seat of their own development.
PostHog
PostHog is an all-in-one, open-source developer platform that bundles product analytics, web analytics, session replay, feature flags, A/B testing, experiments, surveys, error tracking, a customer data platform, and a data warehouse into a single stack engineers can self-host or run in the cloud. Founded in 2020 by James Hawkins and Tim Glaser through Y Combinator, it lets product engineers track usage, ship features, and keep customer data in one place rather than stitching together a dozen SaaS tools. The company reached unicorn status in 2025 with a $75M Series E at a $1.4B valuation.
Agora makes the pause disappear
A conversation can survive a bad picture. A badly timed silence is harder. Agora has spent years working on that gap - and now it is selling the same skill to voice AI.
Anh-Tho Chuong
Anh-Tho Chuong is the co-founder and CEO of Lago, the open-source billing and invoicing platform trusted by companies like Mistral AI, Groq, PayPal, and Synthesia. Born in Réunion to a Vietnamese father who fled the war, she built her career through McKinsey consulting, a formative run as VP Growth (employee #1) at Qonto, and a pivot inside Y Combinator that turned a failed data-tools idea into one of Europe's fastest-growing developer infrastructure plays. Lago has raised $44M in total funding, amassed 9,000+ GitHub stars, and is reshaping how SaaS companies handle complex pricing without handing control to Stripe.
Tugce Erten
Tugce Erten is a Partner on the Growth team at Andreessen Horowitz (a16z), where she leads pricing and packaging strategy for portfolio companies. Drawing on a career spent inside high-growth tech companies - Atlassian, PagerDuty, and Freshworks - she has become one of Silicon Valley's go-to voices on B2B SaaS monetization, generative AI pricing, and the art of bundling. Originally from Istanbul, Turkey, she brings an economist's rigor (NERA Economic Consulting, Edgeworth Economics) to the distinctly human problem of what something is worth.
Kyle Poyar
Kyle Poyar is a SaaS growth and pricing strategist who helped turn product-led growth into a global movement at OpenView Partners, then bet his career on a weekly newsletter called Growth Unhinged that now reaches 84,000+ readers. In 2024 he co-founded Tremont, an early-stage B2B/AI venture firm, while continuing to run Growth Unhinged full-time. He is one of the most cited voices on SaaS pricing, AI monetization, and usage-based business models.