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.
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.
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.