Documentation

Build with Haat.

Everything you need to run the gateway, understand the approval gate, extend it to new verticals and languages, and take it live on ONDC.

Read the quickstart Architecture overview

bash

git clone https://github.com/techsaurabh-394/haat-gateway.git
cd haat-gateway && npm install
npm run demo          # approve the order in your terminal

Start

Get a gateway and mock ONDC network running locally.

Quickstart and APIRun it, call it, approve an order.

Understand

How Haat is built and why it is safe.

ArchitectureThree layers and the request lifecycle.Poppy to Beckn mappingHow each Poppy call becomes Beckn.Security modelSessions, SSRF, approval binding.

Extend

Add verticals and teach it new languages.

Domain packsAdd a vertical with two JSON files.Language lexiconHow Indian languages are understood.

Ship

Conformance, onboarding and honest limits.

Going live on ONDCStep by step, with what is unverified.ConformanceThe official validator and how to rerun it.LimitationsWhat it does not do, plainly.

Project

Roadmap, contributing and release notes.

RoadmapWhat comes next.ContributingYour first PR in about 10 minutes.ChangelogRelease notes.Repository auditWhat not to do, learned the hard way.

Can't find what you need?Open a discussion or an issue and we'll improve the docs.

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