Flexprice builds usage billing infrastructure for AI and SaaS companies that need to meter product activity, turn that usage into pricing, and send invoices without stitching together a pile of internal tools. The New Delhi startup has raised a $1.5 million seed round co-led by Shastra VC and Shaadi.com founder Anupam Mittal, with existing backer TDV Partners also joining in. Billing is becoming a real product problem for AI companies, not a back-office chore. Flexprice was founded in 2024 by Manish Choudhary, Koshima Satija, and Nikhil Mishra, and it already operates across New Delhi, San Francisco, and Bengaluru.
What is Flexprice and how does its billing infrastructure work?
Flexprice is an open-source platform for metering, billing, and feature management. In plain English: a customer defines what should be tracked — API calls, tokens, compute time, seats, credits, or some other usage signal — sends those events into Flexprice, connects them to a pricing plan, and the platform calculates charges and generates invoices automatically. The product docs lay out that flow directly: create a metered feature, send events, validate them, connect them to billing, then let invoicing run.
That’s more than a billing wrapper. Flexprice’s architecture is split into composable layers for usage metering, pricing, subscriptions, entitlements, and invoicing. Teams can use the whole stack or wire in only the pieces they need. The docs also show support for real-time event ingestion, usage analytics, and feature limits. Useful for AI products that want to bill on consumption while also turning features on or off based on plan or credits.
The product also goes beyond classic subscriptions. It supports seat-based, usage-based, and hybrid pricing. It also supports credit grants, auto top-ups, custom invoice logic, add-ons, bundles, price localization and ships SDKs for JavaScript, Python, and Go, and offers self-hosting for teams that don't want vendor lock-in or black-box billing logic.
For customers, the before-and-after is pretty obvious. Before Flexprice, teams often end up writing custom code for proration, limits, credits, taxes, and invoice reconciliation. After integration, the product handles usage aggregation in real time. It previews invoices, manages invoice states, and gives finance teams a cleaner audit trail. That's why the company pitches itself as revenue infrastructure, not just another payment plugin.
Who founded Flexprice?
The founding story behind Flexprice funding
Flexprice was founded in 2024 by Manish Choudhary, now CEO, Koshima Satija, now COO, and Nikhil Mishra, now CTO. The company’s origin story is unusually concrete: Satija has written that the spark came while Choudhary was at AI photo-editing company Aftershoot and struggling with localized pricing during international expansion. The founders kept running into the same issue — pricing ideas were easy to sketch, but ugly to implement once geography, usage, credits, and invoicing rules showed up.
Why these founders make sense for this category
Choudhary has said he previously worked a full-time job while running a consultancy that became an agency helping companies figure out pricing. That matters because Flexprice sits at the intersection of monetization strategy and product plumbing. He wasn’t coming at this as a generic founder chasing an AI trend. He was already dealing with the messy part of how companies actually charge.
Mishra brings the engineering side. Choudhary said in a Reddit AMA that Mishra had been engineering head at WizCommerce and Zomato, which gives him credibility on the systems side of high-scale data and operational infrastructure. In the same AMA, Satija and Choudhary described themselves as product and business operators from AI and consumer companies. Satija’s own writing frames Flexprice as a product-manager-plus-tech-lead insight — business requirements meeting engineering pain.
Early execution signals
The product is live, not a deck. Flexprice launched on Product Hunt on April 6, 2025 and finished as Product of the Day with 500+ upvotes and 50+ sign-ups. The company has a community of 300+ builders on Slack, and Choudhary wrote earlier this year that Flexprice is used by companies including Krutrim and Simplismart, has 3,500+ GitHub developers around the project, and processes more than 20 billion API requests a month. Those are founder-reported numbers. Read them as early traction signals rather than audited metrics.
Flexprice funding round details
This new $1.5 million round is a seed financing co-led by Shastra VC and Anupam Mittal, with TDV Partners returning. Before that, Choudhary disclosed an earlier $500,000 round led by TDV Partners with support from angel investors. The new money is meant for expansion across the US and Europe, plus new product development. Flexprice is headquartered in New Delhi and already has teams in San Francisco and Bengaluru.
Avijeet Alagathi of Shastra VC said the appeal was the team’s “engineering vision” and the fact that Flexprice is an open-source, real-time billing platform built for modern AI products while still fitting into existing systems. TDV’s Ujwal Sutaria leaned on the same point — the open-source approach and strong technical execution. That’s a pretty clear investor read. Not just “billing is growing,” but “billing built for AI-native products is underbuilt.”
Flexprice funding round details
Flexprice isn’t entering an empty category. Metronome has become one of the best-known names in usage-based billing and says OpenAI uses it for scalable billing infrastructure. Orb pitches a similarly modern stack for usage-based, seat-based, and hybrid billing. It also supports prepaid credits and complex enterprise contracts. Lago comes from the open-source side and positions itself as software for metering and usage-based billing with payment-provider connections.
So where does Flexprice try to wedge in? Mostly in three places. First, open source and self-hosting, which matters for teams that don’t want core revenue logic hidden inside a vendor box. Second, a tighter AI-native framing — tokens, credits, limits, and rapidly changing pricing models are native objects in the product. Third, a broader product surface that mixes billing with feature management and entitlements, which legacy subscription tools often treat as somebody else’s problem. Its real competition, honestly, isn’t only Metronome or Orb. It’s also homegrown billing stacks, spreadsheets, and subscription-era tools that were never built for usage-heavy products.
Why Flexprice funding matters for AI startups?
A $1.5 million seed round isn’t huge by AI-infra standards. But for Flexprice, it looks less like a vanity round and more like fuel for distribution and product breadth.
The company already has the bones of a real platform — metering, credits, feature controls, invoicing, self-hosting. What it didn’t have, at least publicly, was the scale to push harder in the US and Europe while still building toward Choudhary’s stated goal of “full revenue automation.” That phrase deserves attention. It suggests Flexprice wants to move upstream from billing events and downstream toward recognized revenue. That’s a much bigger ambition than “we help you send invoices.”
It also gives customers a signal. If you’re an AI startup deciding whether to keep hacking together billing internally, outside money from Shastra VC, Mittal, and TDV tells you this isn’t a side project anymore. And if the founders keep shipping, the open-source angle could become a practical buying reason, not just a brand story.
How big is the usage billing infrastructure market?
The macro tailwind is real. Grand View Research estimates the global software segment of the subscription billing management market was worth about $4.8 billion in 2024 and could reach roughly $11.7 billion by 2030. It also expects India to post the fastest growth rate in that period, which is a useful backdrop for a company built in India but selling into global software markets.
The adoption curve is moving too. OpenView’s SaaS benchmarks work, as summarized by TechCrunch, found that 61% of SaaS companies used usage-based pricing in some form in 2022. OpenView also said startups offering a usage-based model across its customer base rose by 30%. That doesn’t mean every SaaS company wants pure consumption pricing. A lot of them don’t. But it does mean billing logic is getting more complex, and complexity creates room for new infrastructure vendors.
AI makes that sharper. Seat-based pricing was fine when software value mapped cleanly to headcount. It breaks down when one user can trigger millions of tokens, GPU-heavy workflows, or autonomous tasks. The winners in this category will be the vendors that let product teams change pricing fast without breaking finance. That’s the market Flexprice is chasing.
Should buyers watch Flexprice now?
Probably yes — with some healthy skepticism.
Flexprice has the right shape for the current moment: open-source roots, AI-native billing logic, and founders who seem to understand that pricing changes are easy to announce and painful to operationalize. But this is still an early company in a category with serious incumbents and strong developer-first rivals. The next thing to watch isn’t another funding headline. It’s whether Flexprice can turn this seed round into deeper enterprise adoption in the US and Europe while keeping its usage billing infrastructure flexible enough for the weird pricing models AI companies keep inventing.
Read how Fairdeal.Market raised $15M in Series A funding led by Bertelsmann India Investments to help kirana stores restock FMCG inventory in under 60 minutes through its B2B quick commerce and dark-store network.
FAQ about Flexprice
– What funding did Flexprice raise?
Flexprice raised a $1.5 million seed round announced on May 26, 2026. Shastra VC and Anupam Mittal co-led the round, with TDV Partners also participating after backing the company earlier.
– How does Flexprice actually work?
Flexprice works by letting a company define what usage it wants to track, send those events into the platform, connect them to pricing plans, and let the system calculate charges and generate invoices. It also handles credits, feature limits, subscriptions, and hybrid pricing models. That makes it closer to monetization infrastructure than a simple invoicing tool.
– Who founded Flexprice?
Flexprice was founded in 2024 by Manish Choudhary, Koshima Satija, and Nikhil Mishra. Choudhary is CEO, Satija is COO, and Mishra is CTO; the founders tie together pricing strategy, product experience, and engineering depth from earlier work across AI, consumer, WizCommerce, Zomato, and startup operating roles.
– What market is Flexprice in?
Flexprice sits in the subscription and usage-based billing software category, with a strong focus on AI-native revenue infrastructure. It’s a growing market: Grand View Research pegs the software portion of subscription billing management at about $4.8 billion in 2024, while SaaS adoption of usage-based pricing has already become common enough that more than half of companies use it in some form.
