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FAQ

Frequently asked questions about the PaperStack API.

FAQ

General

What is PaperStack?

PaperStack is a data infrastructure platform for Indian EdTech. We provide structured, validated exam data APIs for competitive exams like NEET and JEE Main.

Who is PaperStack for?

PaperStack is built for developers building learning platforms, test prep apps, educational tools, and analytics dashboards for the Indian education market.

Is there a free tier?

Yes! The free tier includes 1,000 requests per month at 2 requests/second. No credit card required.

Data

How is the data sourced?

Each question is reviewed and validated by our team. We do not serve scraped or unverified content. Every dataset includes checksums for integrity verification.

How often is data updated?

We update datasets as new exam papers are released. Each dataset includes a lastUpdated timestamp and checksum.

What exams are covered?

ExamStatus
NEET UG✅ Available
JEE Main✅ Available
JEE Advanced🔜 Coming Soon
NCERT Exemplar🔜 Coming Soon

Can I request specific exams?

We're actively expanding our coverage. Contact us to request specific exams or datasets.

API

What is the base URL?

https://api.paperstack.qzz.io

What authentication is required?

All data endpoints require a Bearer token. See the Authentication guide.

What format is the response?

All responses are JSON. File responses include appropriate Content-Type headers.

What HTTP methods are supported?

Only GET requests are supported at this time.

Is there a rate limit?

Yes. Free tier: 2 requests/second, 1,000 requests/month. Higher limits available on paid plans.

What happens if I exceed the rate limit?

You will receive a 429 Too Many Requests response. Implement retry logic with exponential backoff in your application.

Billing

Is PaperStack free?

PaperStack is currently in Public Beta and free to use. Paid plans with higher rate limits and additional features are coming soon.

Will there be paid plans?

Yes. Pro and Enterprise plans are in development. They will include higher rate limits, priority support, and custom datasets.

Will existing free users be affected?

Free tier users will continue to have access to their current limits. No retroactive changes.

Technical

Can I use PaperStack in production?

Yes! PaperStack is built on Cloudflare Workers with edge caching and is production-ready. However, we recommend monitoring the service during the beta period.

What is the uptime guarantee?

We target 99.9% uptime. The infrastructure runs on Cloudflare's global network.

How do I report an issue or bug?

Contact our support team or open an issue on our GitHub repository.

How do I get help?

Errors & Troubleshooting

Common error codes, causes, and solutions for the PaperStack API.

On this page

FAQGeneralWhat is PaperStack?Who is PaperStack for?Is there a free tier?DataHow is the data sourced?How often is data updated?What exams are covered?Can I request specific exams?APIWhat is the base URL?What authentication is required?What format is the response?What HTTP methods are supported?Is there a rate limit?What happens if I exceed the rate limit?BillingIs PaperStack free?Will there be paid plans?Will existing free users be affected?TechnicalCan I use PaperStack in production?What is the uptime guarantee?How do I report an issue or bug?How do I get help?