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API INTEGRATION & MICROSERVICES

Connect Your
Systems with Flawless
API Pipelines.

We build robust API pipelines, microservice bridges, and webhook orchestrations that allow your CRM, ERP, payment gateways, legacy databases, and third-party SaaS platforms to talk to each other in real-time.

CONNECT YOUR SYSTEMS
REST & GraphQL
OAuth 2.0 / JWT
Sub-50ms Latency
Webhook Queues
Microservice API Gateway
Live Webhook Router & Rate Limiter
Webhook Sync
REST & GRAPHQL
OAUTH 2.0
ASYNC QUEUES
RATE LIMITED

Seamless Connectivity
Across All Platforms.

Eliminate data silos. We build reliable, encrypted middleware that synchronizes information instantly across your tech stack.

01 Payment Gateways (Razorpay / Stripe)
02 Custom REST & GraphQL API Architecture
03 CRM & ERP Connectors (Zoho, Salesforce)
04 Logistics & Shipping APIs (Shiprocket)
05 WhatsApp & SMS Communication Gateways
06 Legacy Database Middleware Bridges
07 Real-Time WebSocket Streams
08 Biometric & Hardware Device APIs
smrtventech.com/api-console
Payment Gateway Bridge
Automated webhooks with signature verification & retry queues.
Inspect API
200 OK
HMAC-SHA256
Auto-Retry
High-Speed GraphQL Core
Single endpoint fetching with sub-millisecond query parsing.
GraphQL Playground
CRM Two-Way Sync
Real-time contact and deal synchronization via webhooks.
Sync CRM
Courier Logistics API
Automatic AWB generation, label printing, and GPS tracking.
Courier API
WhatsApp Business Cloud API
Automated OTPs, order updates, and conversational chatbots.
WhatsApp Bot
Legacy Database Bridge
Secure REST wrapper exposing on-premises SQL databases safely.
REST Bridge
WebSocket Live Engine
Real-time pub/sub pipeline for live auctions and tickers.
WebSocket Live
Biometric Attendance Bridge
Hardware device sync pushing daily logs directly to cloud ERP.
Device Sync

Zero Manual Entry.
Total Data Synchronization.

Automated API pipelines eliminate duplicate human data entry, reduce operational costs, and prevent costly clerical errors.

01

Real-Time Data Sync

When a purchase happens or a status changes in one system, your accounting, inventory, and CRM platforms update automatically within milliseconds.

REAL-TIME SYNC
02

Bank-Grade Authentication & Rate Limiting

Defend against DDoS attacks and unauthorized scraping with OAuth 2.0 tokens, API key hashing, IP whitelisting, and Redis token bucket rate limiting.

03

Fault-Tolerant Dead Letter Queues

If a third-party server goes offline, our asynchronous queue system stores the webhook payload and automatically retries upon restoration with zero data loss.

RABBITMQ / REDIS QUEUES
Zero Data Loss Guaranteed
Automatic exponential backoff retry policies.
04

Interactive Swagger / Postman Docs

Clear, interactive API documentation with curl examples, request schemas, and response validation codes for effortless developer integration.

Docs
Try Out
200 OK

From Endpoint Design
to Secure Gateway.

We follow industry standards for REST and GraphQL API design ensuring low latency, comprehensive testing, and complete security.

01

Schema & Contract Design

We define OpenAPI / Swagger specifications, JSON payload schemas, headers, error codes, and auth scopes.

CONTRACT
JSON
SCHEMA
AUTH
SCOPES
02

Authentication & Security

We implement OAuth 2.0, JWT token rotation, HMAC signatures, IP whitelisting, and encryption at rest and in transit.

JWT
HMAC
OAUTH
CORS
KEYS
03

Endpoint & Queue Engineering

We develop ultra-low latency endpoints using Node.js / Go / Python with Redis caching and asynchronous message queues.

Sub-50ms Response Latency
04

Load & Concurrency Testing

We stress test with Apache JMeter and k6 to verify handling of 100,000+ simultaneous requests without drop-offs.

k6 run stress-test.js
avg_latency: 18ms (p99: 45ms)
0% Error Rate under 10k RPS
05

Gateway Deploy & Monitoring

We deploy to AWS API Gateway / Kong with Datadog monitoring, automated error tracing, and live status dashboards.

KONG
SSL
LIVE
MONITOR
GATEWAY ACTIVE

Ready to Unify
Your Software Ecosystem?

Let's build secure API bridges that automate data flow across your entire company.