Custom API Development & Integrations

Stop copying data between different software manually. We build secure, custom APIs and bridge your web applications, CRMs, and payment gateways into one unified automation flow.

Is This Right For You?

We only partner with brands we can guarantee results for.

Who This Is For

  • Businesses ready to dominate their niche online
  • Startups building MVPs or SaaS platforms
  • E-commerce stores wanting high-conversion design

Who This Is NOT For

  • Those wanting a cheap template copy-paste site
  • Clients expecting a full project in 24 hours
  • Brands with zero defined identity or goals

When businesses expand, they run into communication barriers between their tools. At SRJ Nexus, we design clean, documented REST and GraphQL APIs that sync databases, payment endpoints, lead forms, and customer dashboards smoothly.

Real Results, Fully Integrated Workflows

  • Bespoke REST & GraphQL APIs: Coded in Node.js or Python, optimized for speed and payload compression.
  • Secure Webhook Routing: Sync inventory, orders, and leads instantly between systems.
  • Third-Party Connections: Integrate ERPs, CRMs (HubSpot, Zoho), shipping providers, and gateways.

Project Scope Builder

Select your exact requirements. Watch the live estimation update automatically.

ComplexityStarter
Est. Timeline--

01Service Modules

02Pacing & Priority

03Project Brief

No Payment Required

How We Deliver

No guessing. A transparent roadmap of what happens after you start.

01

Day 1: Kickoff Call

Align on goals, strategy, and project requirements.

02

Day 3: Blueprint & Draft

We begin executing and share the first draft for review.

03

Final Delivery

Refined and delivered with quality assurance.

Nexus AI

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Hello! I'm Nexus AI. How can I help you grow your business today? We offer Web Development, SEO, Digital Marketing, and Video Editing services.
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