Explore · The library
Every resource founders actually use, in one library.
The essays, videos, podcasts, books and tools behind every answer across eChai's hubs, from starting up to go-to-market, D2C, founder money and AI, each with a note on why it is here.
What founders use most, ranked by how many answers lean on it.
- The canonical starting point, this is where you actually raise your hand. It's the horse's-mouth reference for the document... Blinkit Article · D2C Sell on Blinkit, Official Seller Onboarding Portal Blinkit In 3 answers
- Zepto actively courts D2C brands to diversify beyond mass FMCG, so this portal is the most direct route in. Go here first if... Zepto Article · D2C Zepto for Brands, Partner Onboarding Zepto In 3 answers
- A clean, no-nonsense glossary covering ROAS, CAC, MER, AOV and CPA in one place, the right first read before diving into any... Triple Whale Help Center Article · D2C A Guide to Ecommerce Metrics Triple Whale In 3 answers
- A leading marketing-mix-modeling-based attribution platform that doesn't rely on user-level pixel tracking, worth evaluating... Northbeam Tool · D2C Northbeam, The Marketing Intelligence Platform for Profitable Growth Northbeam In 3 answers
- An independent, side-by-side comparison of the major attribution platforms, useful for actually deciding between them instead... QRY Article · D2C Marketing Attribution Tools for DTC Brands (Northbeam vs Rockerbox vs Triple Whale) QRY In 3 answers
- A free, ready-to-use spreadsheet to actually compute your LTV, CAC and ratio instead of eyeballing it, the fastest way to get... Corporate Finance Institute Template · D2C LTV/CAC Ratio Template (Free Excel Template) Corporate Finance Institute In 3 answers
- Spells out the exact CAC, LTV and payback period formulas with an India lens, the most direct answer we found to 'how do I... FireAI Article · D2C D2C Unit Economics: The Exact Formulas for CAC, LTV & Payback Period FireAI In 3 answers
- A practical, diagnose-then-fix playbook that insists you find your top RTO cause before throwing tools at it, the most useful... GoKwik Blog Article · D2C How to Reduce RTO in E-commerce: A Complete Guide for Indian D2C Brands GoKwik In 3 answers
- The clearest explainer connecting NDR to RTO, showing that a failed delivery attempt becomes an RTO within 24-72 hours unless... Clickpost Blog Article · D2C NDR and RTO in E-Commerce: The Complete Operations Guide Clickpost In 3 answers
- A clear-eyed walk through the exact tension in the question, more spend versus intact margins, with practical pacing rules... Uptown Cow Article · D2C How to Scale Your Ecommerce Ad Spend Without Killing Your Profit Margins Uptown Cow In 3 answers
- From a fulfillment-and-shipping player with its own skin in the India D2C game, giving a practitioner's-eye comparison rather... Eshopbox Blog Article · D2C 10 Best Shipping Aggregators in India (2026) for Ecommerce & D2C Brands Eshopbox In 3 answers
- Directly answers the 'I've outgrown my current aggregator' question with a current alternatives list, which is more useful at... iCarry Blog Article · D2C Top Shiprocket Alternatives in India 2026 iCarry In 3 answers
- An Indian HR firm writing specifically about D2C hiring, not generic startup hiring - it names the multi-skill, adaptable... sutrahr.com Article · D2C How to Hire for D2C Brand: 10 Best Tips Finding the Right Fit SutraHR In 3 answers
- A screen-by-screen walkthrough of the actual e-filing form on ipindiaonline.gov.in, useful right before you sit down to file it... ebizfiling Article · D2C IP India (IPIndiaOnline) Trademark Registration, Step-by-Step 2025 Guide ebizfiling In 3 answers
- Goes beyond the registration checklist into actual brand-protection strategy, naming pitfalls, enforcement options, and what to... Unimarks Legal Article · D2C How to Register a Brand Name in India: The Strategic Brand Protection Blueprint (Updated 2026) Unimarks Legal In 3 answers
- The most complete single reference on fees, timeline and the ™ vs ® distinction, good as the one page to bookmark and return to... Intepat Article · D2C Trademark Registration in India: Complete Guide (2026) Intepat In 3 answers
- A stage-based guide that maps fulfillment needs to revenue bands rather than giving one-size-fits-all advice, genuinely useful... GoBolt Blog Article · D2C DTC Fulfillment Guide 2026: Scale from $1M to $10M GoBolt In 3 answers
- A ready-to-use checklist format is more useful in a live vendor evaluation than another prose article, print it, take it into... 3PeeL Blog Template · D2C What to Look for in a 3PL Partner: A Checklist for D2C Brands 3PeeL In 3 answers
- The cleanest starting map for someone with no product yet, 17 concrete ways to surface ideas (solve your own pain, mine trends,... Shopify Blog Article · D2C How To Find a Product to Sell Online: 17 Proven Methods (2026) Shopify Editorial In 3 answers
- This is the checklist we'd hand anyone before they order their first batch: it splits evaluation into market-based criteria... Shopify Blog Article · D2C How to Do Ecommerce Product Research (2026) Shopify Editorial In 3 answers
- The official source on how the WhatsApp Business Platform actually works underneath every BSP tool, worth understanding... Meta for Developers Article · D2C WhatsApp Cloud API: Get Started Meta In 3 answers
- The primary source: the tax department's own FAQ and user manual for the registration flow, worth bookmarking since every other... CBIC, Government of India Report · D2C FAQs and User Manual on New GST Registration CBIC In 3 answers
- The notification itself, dated 31 July 2023 and in force from 1 October 2023, that lets a small seller sell goods within one... GST Council (CBIC notification) Article · D2C Notification No. 34/2023-Central Tax: Exemption from Registration for Suppliers Selling Through E-commerce Operators CBIC In 3 answers
- A September 2026 operating guide from an Indian order-management software company on running replenishment, fill rates and... Unicommerce Article · D2C Quick Commerce Playbook for 2026: How Brands Can Scale on Blinkit, Zepto & Instamart Sakshi Sinha In 3 answers
The hubs
Starting Up
Find an idea, validate it, build, and land your first customers.
GTM
Go-to-market, from breaking in to how the best teams do it.
D2C
Building a direct-to-consumer brand, India-first.
Wealth
Paying yourself, ESOPs, secondaries, and de-risking founder wealth.
How Founders Use AI
How founders actually put AI to work, mapped topic by topic.
Glossary
Plain-language definitions of the startup and VC terms you'll hit.
eChai Partner Brands
The partnership →