Developer API

Build on eBuilding. Ship faster.

A single REST API to access live material prices, AI-generated BOQs, government tender feeds, design renders, and escrow payments — for any platform you build.

Get API key free View documentation

40+API endpoints

99.9%Uptime SLA

<120msAvg. response time

5,000+Active developers

API Reference

Six API surfaces. One auth token.

Every eBuilding capability is available as a programmable API — from marketplace pricing to AI-generated renders.

Marketplace API

Search products, fetch live prices, place and track orders programmatically.

12 endpoints

BOQ Engine API

Submit drawings or text, receive structured BOQ with live pricing in seconds.

8 endpoints

Design AI API

Generate photorealistic renders and style variants from a text prompt or image.

6 endpoints

Tender Feed API

Stream 15,000+ government tenders daily, filtered to your categories and geography.

7 endpoints

Resale Marketplace API

List surplus materials, manage listings, and handle escrow transactions via API.

9 endpoints

Webhooks & Events

Subscribe to real-time events — order updates, price alerts, tender matches, and more.

20+ event types

Platform Capabilities

Built for production from day one

Enterprise-grade infrastructure, security, and observability — so you can focus on your product, not our plumbing.

API Key & OAuth 2.0

Simple API key auth for server-to-server calls. OAuth 2.0 PKCE for user-facing apps. Scoped permissions for each resource.

High-Speed Responses

P99 response time under 200ms globally. Powered by edge caching and regional data centers worldwide.

Enterprise Security

TLS 1.3 in transit, AES-256 at rest. SOC 2 Type II certified. IP allowlisting, rate limiting, and audit logs included.

Webhooks & Streaming

Push-based webhooks for real-time events. Server-Sent Events for live price streams. Retry logic with exponential backoff built in.

Multi-Region & CDN

API served from 12 edge nodes across 6 regions. Automatic failover. 99.9% uptime SLA backed by credit guarantees.

Usage Analytics

Real-time dashboard showing request volume, error rates, latency percentiles, and quota consumption by endpoint.

Search products — live pricing

curl -X GET https://api.ebuilding.io/v1/marketplace/products \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"query": "OPC cement 50kg", "country": "IN", "limit": 10}'

<5 min

to first API call

Quick Start · REST API

Integrate in minutes, not days.

Our REST API follows OpenAPI 3.1 spec with predictable resource URLs, standard HTTP verbs, and consistent JSON responses. Copy a code snippet and be making live calls in under 5 minutes.

OpenAPI 3.1 spec — import into Postman or Insomnia instantly
Consistent JSON envelope: { data, meta, errors }
Idempotency keys for safe retries on write operations
Cursor-based pagination for all list endpoints

View API reference

Generate BOQ — async with webhook

POST /v1/boq/generate
{
  "input_type": "text",
  "description": "3BHK flat, 1200 sqft, modern kitchen, 2 bathrooms",
  "currency": "USD",
  "region": "global",
  "webhook_url": "https://yourapp.com/webhooks/boq"
}

2 min

avg. BOQ generation

BOQ Engine · AI Extraction

Turn any project description into a priced BOQ via API.

POST a project description, a drawing URL, or a structured JSON spec — and receive a complete, line-itemised BOQ with live supplier prices attached, ready to embed in your own platform.

Accepts plain text, PDF URLs, and DWG file uploads
Async processing with webhook callback on completion
Returns structured JSON with quantity, unit, and live rate per line
Custom category taxonomy supported via API parameter

BOQ API docs

SDKs & Libraries

Use your language of choice

Official SDK libraries with full TypeScript types, async support, and auto-retry built in.

⬡

JavaScript / Node.js

npm install @ebuilding/sdk

🐍

Python

pip install ebuilding

🐘

PHP

composer require ebuilding/sdk

◈

go get github.com/ebuilding/go

Complete API reference & guides

Interactive docs, code playgrounds, postman collections, and step-by-step integration guides.

Open docs

API Pricing

Start free. Scale as you grow.

10,000 free requests every month — no credit card needed. Upgrade only when you need more.

Free

10,000 req/mo

All public endpoints
API key auth
Community support

Get free key

Start building today

Get your free API key, explore the docs, and make your first live call in under 5 minutes.

Get free API key Talk to sales

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curl -X GET https://api.ebuilding.io/v1/marketplace/products \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{"query": "OPC cement 50kg", "country": "IN", "limit": 10}'

Integrate in minutes, not days.

Our REST API follows OpenAPI 3.1 spec with predictable resource URLs, standard HTTP verbs, and consistent JSON responses. Copy a code snippet and be making live calls in under 5 minutes.

OpenAPI 3.1 spec — import into Postman or Insomnia instantly

Consistent JSON envelope: { data, meta, errors }

Idempotency keys for safe retries on write operations

Cursor-based pagination for all list endpoints

View API reference

POST /v1/boq/generate { "input_type": "text", "description": "3BHK flat, 1200 sqft, modern kitchen, 2 bathrooms", "currency": "USD", "region": "global", "webhook_url": "https://yourapp.com/webhooks/boq" }

Turn any project description into a priced BOQ via API.

POST a project description, a drawing URL, or a structured JSON spec — and receive a complete, line-itemised BOQ with live supplier prices attached, ready to embed in your own platform.

Accepts plain text, PDF URLs, and DWG file uploads

Async processing with webhook callback on completion

Returns structured JSON with quantity, unit, and live rate per line

Custom category taxonomy supported via API parameter

BOQ API docs