Requestly is an open-source HTTP interception and API mocking tool for developers, founded by Sachin Jain (Indian founder; headquarters reports differ) and acquired by BrowserStack in May 2025.

This Startup Deep Dive explains what Requestly does, how it makes money, who backs it, how it compares with rivals and what could go wrong, using publicly available information. It is educational and not investment advice. Last updated: October 2026.

Requestly in Brief

• What it is: Requestly is an Indian Developer tools / API debugging company based in San Francisco.
• Who it serves: businesses, institutions, consumers, learners and public-sector buyers.
• Intercepts, modifies and mocks HTTP requests and responses.
• Browser extension works without system proxy settings or SSL certificates, so it works with corporate VPNs.
• Team workspaces for sharing rules, environments and mocks.
• Funding: About $500K per one database (reports differ; a $125K seed is also cited).

Requestly Quick Facts

Figures marked “reported” come from published reports and may differ between sources; “Not disclosed” means no reliable public figure was found.

What Is Requestly?

Requestly operates in the Developer tools / API debugging space in India. Understanding a company like this starts with three questions: who is the customer, what painful problem is being solved, and why the solution is better than the alternatives. The sections below apply that lens to Requestly.

• Intercepts, modifies and mocks HTTP requests and responses.
• Browser extension works without system proxy settings or SSL certificates, so it works with corporate VPNs.
• Team workspaces for sharing rules, environments and mocks.
• Enterprise features: SSO, SOC 2 compliance, analytics, role-based access control.
• Mac app available; Android emulator and iOS simulator support planned.

The Origin Story of Requestly

Every company starts from a noticed gap and a team willing to commit to closing it. Strong origin stories are specific: a clear problem, a founding team with relevant skills, and an early product that real customers could test. Founder-market fit, meaning the team’s lived experience or technical depth in the domain, tends to predict how fast a young company learns.

• Founders: Sachin Jain.
• Began in 2018 as a tool to redirect JavaScript files during local testing; founding year reported as 2021 by databases (reports differ).
• Founded by Sachin Jain, motivated by wasted developer hours from broken workflows.
• Y Combinator graduate.

Key Milestones and Challenges

No startup grows in a straight line. Early years usually involve slow adoption, product rewrites, hiring mistakes and funding gaps. In the Developer tools / API debugging sector the common turning points are a first paying customer, a regulatory approval, a successful product demonstration or a funding round that lets the team invest ahead of demand. How a team responds to setbacks says more about resilience than any single headline.

• 2018: project started.
• Feb 2022: convertible note listed by a database.
• Mar 2022: $125K from Y Combinator and Peak XV Surge.
• Mar 2023: seed round from Titan Capital, Neon and Surge.
• May 2025: acquired by BrowserStack, to remain independent and open source.

Requestly Funding and Investors

Funding history shows how much outside confidence a company has attracted and how long it can operate before needing more capital. Figures below are reported and may differ between sources; valuation figures are estimates unless the company has confirmed them.

• Mar 2022: $125K, Y Combinator and Peak XV (Surge).
• 2023: seed round, Titan Capital, Neon Fund, Surge.
• Other listed investors: Day Zero Ventures, Rishabh Kaul.
• May 2025: acquired by BrowserStack.

How Does Requestly Make Money? (Business Model)

A business model describes who pays, how often and how much it costs to serve them. Strong models show repeat usage, improving margins with scale and acquisition channels that do not depend only on paid spend. Weak models show one-off sales, rising costs and growth that stops when spending stops. For companies selling to businesses, institutions, consumers, learners and public-sector buyers, sales cycles and contract size matter as much as headline growth.

• Freemium: free open-source version plus paid tiers (reported as Lite, Basic, Professional).
• Enterprise plans with SSO and SLAs.
• Company noted closing a few enterprise customers in 2023.

The Numbers: Requestly Financials

Financial figures show whether growth is turning into a self-sustaining business. Small and private companies often disclose little, so any number below is included only if it was found in public reporting.

• Audited revenue, profit and loss figures for Requestly were not available in the public sources reviewed.
• Readers can check the company’s filings with the Registrar of Companies for the latest financial statements.

Market Opportunity for Requestly

Market size is easy to exaggerate, so a useful approach separates the total market from the portion a company can realistically reach with its current product and distribution. The main forces behind demand in this sector are rising digital adoption, cloud and mobile penetration, growing enterprise technology spending, government digitisation programmes and a deep pool of engineering talent. Each of these widens the opportunity, but capital efficiency and execution decide who captures it.

• API mocking and network debugging for developers and QA.
• Reach: 200,000+ developers, 10,000+ companies; 4.3 Chrome Web Store rating from 1,200+ reviews.

Technology and Product at Requestly

Technology is rarely the whole moat, but it drives speed, cost and customer experience. A practical way to assess it is to separate the capability the company controls from the commodity infrastructure it rents. In this sector the important factors are product quality, data and integration depth, security, scalability and the speed of shipping improvements.

• Browser extension and desktop app for request interception, mocking and modification.

Team and Culture at Requestly

Teams are the most important and least measurable asset of a young company. Look at how complementary the founders’ skills are, how deep the second layer of leadership is, and how the company hires and retains specialists. Culture shows up in small repeated behaviours: how quickly bad news travels upward and whether commitments to customers are kept.

• Founder Sachin Jain.

Requestly Competitors: Competitive Landscape

A fair competitive analysis names direct rivals, adjacent players who could move into the space, and the customer’s default alternative. Durable advantages include proprietary data or technology, licences and approvals, brand trust, switching costs and cost leadership.

Risks and Challenges for Requestly

• Part of BrowserStack now; open-source commitments depend on the parent.
• Free alternatives are widespread.
• Sources differ on HQ and founding details.
• Competition: low barriers to entry and well-funded rivals can compress pricing and slow growth.
• Funding risk: technology businesses often burn cash before reaching profit and depend on investor appetite.

Risk is not a reason to avoid a company; it is a reason to price it correctly and to monitor the right indicators over time. Regulation in this sector is shaped by data protection rules under the Digital Personal Data Protection Act, sector regulators, consumer protection law and IT rules.

Requestly Growth Outlook: What to Watch

• BrowserStack plans to back growth while keeping it open source.
• Key indicators: recurring revenue, customer retention, gross margin, customer acquisition cost and runway.
• Funding position: Whether Requestly can reach its next milestone before needing new capital.
• Regulation: Changes from data protection rules under the Digital Personal Data Protection Act, sector regulators, consumer protection law and IT rules.

Industry Context: Where Requestly Fits

India's technology startup ecosystem is one of the largest in the world, supported by cheap data, a large base of smartphone users, digital public infrastructure and a deep engineering talent pool. Companies now build for education, software, mobility, logistics, agriculture, defence, media and more, selling both to Indian customers and abroad.

Durable technology companies usually combine a clear customer problem with repeatable distribution and disciplined unit economics. Growth funded only by spending tends to fade, while products that customers keep using and paying for build compounding advantages.

For readers new to this field, a useful habit is to separate announcements from evidence. A plan, a partnership or a funding headline describes intent, while a delivered product, a paying customer or an audited financial statement describes results. Comparing the two over time shows how reliably a company turns promises into outcomes.

Bull Case and Bear Case for Requestly

An investment thesis is a short, testable statement of why a company could become far more valuable, together with what evidence would prove it wrong. The points below are general to this sector and are not forecasts for Requestly.

Bull case

• A large and growing base of digital users and businesses expands the addressable market.
• Recurring revenue and strong retention can compound growth.
• Selling into global markets widens the opportunity beyond India.

Bear case

• Heavy competition can compress pricing and margins.
• Dependence on external funding can force painful cost cuts.
• Regulation or platform changes can disrupt a product quickly.

Lessons Founders and Investors Can Take from Requestly

Studying a company in the Developer tools / API debugging space offers lessons that go beyond any single firm. The points below are general lessons for the sector and are not claims about Requestly.

• Solving a clear, frequent customer problem matters more than adding features.
• Retention and repeat usage are better health signals than sign-ups.
• Disciplined spending extends runway and keeps options open when funding tightens.
• Distribution, not just product quality, decides who wins in crowded markets.
• Building trust through data protection and reliability is part of the product.

How to Evaluate Requestly as a Startup

• Customer clarity: Can Requestly name its customer and the problem it solves in one sentence?
• Evidence of demand: Look for repeat customers, signed contracts or measurable usage rather than announcements alone.
• Economics: Check whether margins improve as volume grows.
• Execution: Compare announced timelines with what has actually been delivered.
• Funding runway: Estimate how long current capital lasts at the present spending rate.
• Regulatory standing: Confirm required approvals are in place.
• Customer concentration: Check whether a few customers account for most of the revenue.
• Management depth: Look for experienced leaders beyond the founders and a stable core team.

The Takeaway

Requestly is part of India’s growing Developer tools / API debugging ecosystem. The useful lesson from studying it is the discipline of asking structured questions about customers, economics, advantage and resilience. Companies that answer them well, repeatedly and under pressure are the ones that endure. Readers should treat any single report, ranking or funding headline as one input among many, and should re-check key facts against recent company announcements. Because public information on young companies is often limited, patience in verifying claims is part of good analysis. Public sources can also describe the same company in different ways, so it is worth checking dates, definitions and whether a figure refers to revenue, total income or transaction value, and whether it covers one entity or a wider group, before drawing conclusions. Small differences in rounding, currency conversion or reporting periods can also change how a figure reads. Comparing the same figure across several recent reports helps show whether it is stable or has changed over time. This article is educational and is not investment advice.

• Clear customers and repeat demand matter more than announcements.
• Regulation and capital needs shape how fast a startup in this sector can grow.
• Track a few leading indicators over time rather than one headline metric.

Requestly FAQs: Frequently Asked Questions

What is Requestly?

Requestly is an open-source HTTP interception and API mocking tool for developers, founded by Sachin Jain (Indian founder; headquarters reports differ) and acquired by BrowserStack in May 2025. It is profiled in the Startup Deep Dive series, which explains business model, funding, competitors and risks.

Who founded Requestly?

Requestly was founded by Sachin Jain, and the company reports a founding year of 2021.

How much funding has Requestly raised?

About $500K per one database (reports differ; a $125K seed is also cited). Funding figures are reported and may differ between sources, so readers should check the latest company announcements.

How does Requestly make money?

Requestly earns revenue from its Developer tools / API debugging products and services sold to businesses, institutions, consumers, learners and public-sector buyers. The exact revenue mix is described in the business model section and is not fully disclosed publicly.

Who are the competitors of Requestly?

Reported rivals include Charles Proxy, Fiddler, Proxyman, ModHeader. See the competitor comparison above for how they differ.

What are the main risks for Requestly?

Main risks include competition: low barriers to entry and well-funded rivals can compress pricing and slow growth, funding and capital needs, competition and regulation by data protection rules under the Digital Personal Data Protection Act, sector regulators, consumer protection law and IT rules. This is educational content, not investment advice.

Related Startup Deep Dives: mStock — mStock: Mirae Asset’s zero-brokerage app reached 10 lakh customers and a top-16 NSE ranking in about two years | InterviewBit — Raised $20M Series A at about $110M valuation in 2020, then $55M at a reported $710M post-money valuation in 2022. Browse the full Startup Deep Dive series.

Source

Source: Publicly available data, published reports, industry research, and other credible sources.