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APIs That Power Growth. Connect Everything.

Custom REST and GraphQL API development — from third-party integrations to building your own developer platform with documentation and rate limiting.

<50ms

Response Time

99.99%

Availability

Full

Documentation

The Bottleneck

Why Conventional Approaches Fail.

25%of time on manual sync

Disconnected Systems

Your CRM, website, payment system, and email tools don't talk to each other. Manual data entry wastes hours and introduces errors.

40%of B2B revenue from APIs

No Developer Platform

Your partners and customers want to integrate with your platform, but you don't have a public API or documentation.

60%of outages from bad APIs

Fragile Integrations

One broken API call and your entire workflow stops. No error handling, no retries, no monitoring.

Comprehensive Features

Our Custom Solution, Built For You.

REST & GraphQL

We build both REST and GraphQL APIs based on your use case — with versioning and backward compatibility.

Third-Party Integrations

Stripe, Twilio, SendGrid, Salesforce, Zapier — we connect your app to any service.

API Documentation

Auto-generated Swagger/OpenAPI docs that make integration easy for your team and partners.

Rate Limiting & Auth

API keys, OAuth 2.0, rate limiting, and usage analytics to protect and monetize your API.

Webhooks & Events

Real-time event notifications so external systems stay in sync with your platform.

Performance Testing

Load testing and optimization to ensure your APIs handle traffic spikes without degradation.

Step-by-Step Delivery

How We Make It Happen.

1

Map

We document all endpoints, data models, and integration points needed for your API.

2

Build

We develop robust APIs with proper error handling, validation, and comprehensive tests.

3

Document

We create developer-friendly documentation with examples, SDKs, and interactive API explorers.

4

Deploy

We deploy with monitoring, logging, and alerting — ready for production traffic.

Integrate Systems & Build Developer Platforms

Manually syncing data between your website, CRM, invoicing, and support platforms is inefficient. By developing custom, secure APIs, you can automate data pipelines, eliminate manual errors, and build integrations that allow external systems to connect to your app.

Our API Engineering Services

  • Custom REST & GraphQL Endpoints: Clean routing, standardized response structures, and efficient JSON schemas.
  • Third-Party System Connections: Syncing databases with Salesforce, Stripe, HubSpot, Zapier, Shopify, and messaging channels like Twilio.
  • Developer Portals & Documentation: Auto-generating clear, interactive API docs (Swagger/OpenAPI spec) allowing easy developer integration.
  • Security & Authentication: Safeguarding APIs using JWT, API key tokens, rate-limiting rules, and server firewall protections.

Automate your business operations and securely scale your data with engineered APIs.

Have Questions?

Frequently Asked Questions.

REST uses fixed endpoints with predefined responses. GraphQL lets clients request exactly the data they need. We help you choose the right approach for your use case.
Yes. We build custom integrations between any systems — CRMs, ERPs, payment platforms, email services, and custom databases.
Every API we build includes comprehensive Swagger/OpenAPI documentation with interactive testing capabilities.
We implement OAuth 2.0, API key management, rate limiting, input validation, and encryption to protect your API from abuse and attacks.
Sajlog LLC — Premium Engineering

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