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REST, GraphQL & Cloud Connectors

API Development & Integration

Connect your applications to any payment gateway, CRM, AI model, or third-party service with sub-50ms latency, high-security OAuth 2.0, and automated webhooks.

Sub-50ms Latency
OAuth 2.0 & HMAC
Live Webhook Sync
Swagger & Postman Specs

99.99%

API Uptime SLA

<50ms

Average Latency

100+

APIs Integrated

Bank-Grade

OAuth 2.0 Security

✦ Engineered for Seamless Data Flow

Comprehensive API Capabilities

Custom RESTful & GraphQL API Design

Architecting robust, rate-limited, and self-documenting REST and GraphQL API services using Node.js, Express, and Next.js.

High Concurrency Standard

Third-Party SaaS & CRM Connectors

Seamlessly synchronizing your application with HubSpot, Salesforce, Zoho, Google Workspace, Slack, and custom enterprise tools.

High Concurrency Standard

Real-Time Webhooks & Event Listeners

Instant data synchronization via secure HMAC-verified webhooks, WebSocket subscriptions, and event-driven architecture.

High Concurrency Standard

AI & OpenAI LLM Integration

Embedding ChatGPT, Claude, custom embeddings, intelligent chatbots, and AI workflow automation into your existing apps.

High Concurrency Standard

API Authentication & Token Management

Hardened API keys, OAuth 2.0 PKCE, JWT tokens, IP whitelisting, and Redis-backed sliding window rate limiting.

High Concurrency Standard

SMS & Email Gateway Integrations

Automated transactional SMS (BulkSMS BD, Twilio, Greenweb) and email dispatch (Resend, SendGrid, Amazon SES).

High Concurrency Standard

Microservices & Gateway Proxy

API Gateway routing, reverse proxies, response caching, load balancing, and failover redundancy.

High Concurrency Standard

Legacy System Modernization

Wrapping outdated databases, SOAP services, or desktop software into fast, modern REST/JSON micro-endpoints.

High Concurrency Standard

Swagger / OpenAPI Documentation

Interactive Swagger UI and Postman collections with code snippets so any development team can integrate in minutes.

High Concurrency Standard
✦ Production API Protocols

API Protocols & Toolchain

REST APIsStandard
GraphQLQuery Engine
Node.jsBackend
Swagger/OpenAPIDocs
Redis CachingPerformance
OpenAI APIAI
Twilio / SMS GatewaysMessaging
Resend / SendGridEmail
Postman CollectionsTesting
OAuth 2.0 & JWTSecurity
✦ Transparent API Packages

Choose Your Integration Tier

Single API Integration

Connect any single third-party API (Payment, SMS, CRM, or Maps) into your existing application.

BDT 1200/ one-time
  • Complete Endpoint Integration
  • Webhook & Error Handling Setup
  • Payload Sanitization & Security
  • Postman Collection Documentation
  • Live Production Testing
  • 15 Days Integration Warranty
Integrate Single API
★ Most Requested

Multi-API Suite & Webhooks

Our most popular package for syncing multiple services, automated webhooks, and custom endpoints.

BDT 2600/ one-time
  • Up to 4 Complete API Integrations
  • Custom REST Endpoint Development
  • HMAC Secure Webhook Listeners
  • Redis Rate Limiting & Caching
  • Swagger Interactive Documentation
  • Real-time Error Alerting System
  • 30 Days Dedicated Support
Get API Suite

Custom Enterprise Gateway

Full-scale microservices API gateway architecture with high concurrency and AI integrations.

BDT 3800/ one-time
  • Unlimited API Endpoints & Microservices
  • GraphQL & REST Hybrid Architecture
  • OpenAI / LLM Integration & Embeddings
  • High-Concurrency Load Balancing
  • OAuth 2.0 PKCE Auth Server
  • Complete Architecture Spec & SLA
  • 60 Days Priority Support
Consult API Architect
✦ API FAQs

Frequently Asked Questions

✦ Seamless Connectivity For Your Software

Let's Build Your High-Speed API Backbone

Consult directly with our senior backend engineers and build rock-solid, scalable API integrations.

Schedule API Architecture Call