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Software Development

API Integration

Connect your website, ERP, CRM, payment gateways and couriers so data moves automatically instead of by copy-paste.

  • Offices in Lahore, Karachi & Islamabad
  • Reply within one business day
  • NDA on request, you own the code

Every manual export and re-entry between systems costs time and introduces errors. Orders typed from the website into the ERP, payments matched by hand, tracking numbers copied from a courier portal: these are integration problems, and they are usually cheaper to solve than to keep paying for.

RankGhar designs and builds integrations between the systems you already use. We work with REST and SOAP APIs, webhooks, file-based exchanges and, when a vendor has no API, carefully built automation. Every integration includes logging, retries and alerts, so a failure is noticed in minutes rather than at month end.

Who needs API Integration?

  • E-commerce stores connecting to ERP, couriers and payment gateways
  • Companies syncing CRM, accounting and marketing tools
  • Banks, fintechs and insurers exposing services to partners
  • SaaS products that need a public API or webhooks

What you get

  • Integration map of systems, data owners and frequency
  • API design or documentation review
  • Middleware service with queues and retries
  • Error logging, alerts and a replay tool
  • Authentication with OAuth 2.0, API keys or mutual TLS
  • Public API documentation (OpenAPI/Swagger)
  • Monitoring dashboard
  • Runbook for your team

How we deliver

  1. Map the dataWhich system owns each record, what triggers a sync, and what happens on conflict.
  2. DesignEndpoints, payloads, error handling and security agreed in writing.
  3. BuildMiddleware or direct integration with automated tests against sandbox environments.
  4. Parallel runThe integration runs alongside the manual process until totals match.
  5. MonitorAlerts and dashboards so failures are fixed before users notice.

Technology we use

  • Node.js, Laravel or Python
  • RabbitMQ, SQS or Redis queues
  • OpenAPI / Swagger
  • OAuth 2.0
  • AWS Lambda or Docker services
  • Sentry and Grafana monitoring

Timeline and cost

RankGhar
Typical timeline Single integrations take 1–4 weeks; multi-system middleware takes 6–12 weeks.
Starting price from PKR 120,000 (about US$ 500)
Pricing model Fixed quote after a free consultation; milestones agreed in writing
Ownership All code, designs, accounts and content in your name

The final price depends on scope, integrations and content. You receive a written proposal within 48 hours of a free 30-minute consultation.

Mistakes we help you avoid

  • No retries, so a five-minute outage loses orders silently
  • Two systems both allowed to edit the same record
  • Integrations nobody can monitor once the developer leaves

API Integration in Pakistan

Common Pakistani integrations we build include JazzCash, Easypaisa, PayFast and bank payment gateways, TCS, Leopards, M&P, PostEx and Trax courier APIs, Daraz Seller Center, and FBR systems.

For clients abroad

Internationally we integrate Stripe, PayPal, Shopify, Salesforce, HubSpot, QuickBooks, Xero, NetSuite, SAP Business One and shipping APIs such as DHL, FedEx and Aramex.

API Integration near you

Our teams in Lahore, Karachi and Islamabad deliver API integration for clients across Pakistan: API Integration in Lahore, API Integration in Karachi, API Integration in Islamabad.

Frequently asked questions

What if the other system has no API?

We first check for webhooks, file exports or database access. If none exist, we can automate the vendor portal carefully with monitoring, and we tell you about the fragility up front.

How do you keep integrations secure?

Credentials are stored in a secrets manager, traffic uses HTTPS with OAuth 2.0 or signed requests, and every call is logged without storing sensitive card data.

Can you connect Shopify or WooCommerce to our ERP?

Yes. Orders, customers, stock and prices sync in both directions on a schedule or in real time.

Can you integrate Pakistani courier companies?

Yes. We integrate courier APIs such as TCS, Leopards, M&P, PostEx and Trax for booking, label printing, tracking and cash-on-delivery reconciliation.

Do you write API documentation?

Yes. Public and partner APIs come with OpenAPI documentation, example requests and a sandbox environment.

Tell us about your project

We reply within one business day. You get a clear scope, a fixed quote or a monthly plan, and a named project lead.

  • Free 30-minute consultation
  • Written proposal within 48 hours
  • You own 100% of the code and IP

team@rankghar.com

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