Third-Party API Integration
Connect your website, app or software with external platforms and services using their APIs, reliably and securely.
- REST, SOAP and GraphQL
- Webhooks and callbacks
- Authentication and rate limits
API & System Integration
API Integration Services That Connect All Your Systems
We connect your website, apps, ERP, CRM, payments, shipping and third-party platforms through secure APIs, so data flows automatically and your team stops copying it by hand.
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What Is API Integration?
One Connected Business Instead of Disconnected Tools
Most businesses run on many separate systems: a website or online store, an accounting or ERP system, a CRM, payment gateways, courier partners, messaging tools and industry software. When they do not talk to each other, staff re-enter orders, invoices and customer details again and again, and mistakes and delays creep in.
API integration connects these systems so data moves between them automatically and in real time. An order on your website can create an invoice in accounting, book a courier pickup, update stock and send the customer a message, all without anyone touching it. We design, build and maintain these integrations, using REST, SOAP, GraphQL and webhooks, with proper security, error handling and monitoring.
We also build custom APIs for your own software, so partners, mobile apps and other systems can connect to it safely. Whether you need one third-party API integration or an integration layer across your whole business, see our enterprise software work or tell us which systems you want to connect.
Our Services
API Integration Services We Offer
We integrate the systems businesses rely on most, and build custom APIs when an off-the-shelf connector does not exist.
Payment Gateway Integration
Accept cards, UPI, wallets and bank transfers in your website or app, with refunds, subscriptions and reconciliation.
- Cards, UPI and wallets
- Subscriptions and refunds
- Payment reconciliation
Shipping & Courier API Integration
Automate shipping with courier and logistics APIs: rates, labels, pickups, tracking and delivery updates for every order.
- Rate comparison and labels
- Pickup booking
- Live tracking updates
ERP & Accounting Integration
Sync orders, invoices, payments, stock and customers between your website, apps and ERP or accounting software.
- Invoices and payments
- Stock and price sync
- GST and tax data
CRM Integration
Send website and app leads straight into your CRM, keep customer records in sync and trigger follow-ups automatically.
- Lead capture to CRM
- Two-way contact sync
- Automated follow-ups
Ecommerce & Marketplace Integration
Connect your online store with marketplaces, POS, inventory, dropshipping and fulfilment partners from one place.
- Marketplace order sync
- POS and inventory sync
- Dropshipping and 3PL
Messaging, SMS & Telephony APIs
Send order updates, OTPs, reminders and campaigns by SMS, email and chat apps, and connect cloud telephony and IVR to your systems.
- SMS, email and chat messaging
- OTP and notifications
- Cloud telephony and IVR
Healthcare API Integration
EHR and EMR integration, lab and pharmacy systems and telehealth connections, built with patient data security in mind.
- EHR / EMR integration
- Lab and pharmacy systems
- Secure patient data exchange
Travel & Booking API Integration
Flight, hotel, tour and channel manager API integrations for travel agencies, OTAs and hospitality businesses.
- Flight and hotel APIs
- Channel manager sync
- Booking and payments
AI & Chatbot API Integration
Add AI capabilities to your products and workflows by integrating large language model, chatbot and AI service APIs.
- AI chat assistants
- Document and text processing
- Smart automation
Custom API Development
Design and build secure, well-documented APIs for your software, so mobile apps, partners and other systems can connect to it.
- REST and GraphQL APIs
- API documentation
- Versioning and security
Integration Automation & Middleware
An integration layer that orchestrates data between many systems, with queues, retries, monitoring and alerts.
- Middleware and API gateway
- Queues and retries
- Monitoring and alerts
Industries
API Integrations for Every Industry
Every industry has its own core systems. We connect them.
Manual vs Integrated
Manual Data Entry vs API Integration
Here is what changes when your systems are connected properly.
Manual processes and exports
Common when: tools were added one at a time
- No setup needed
- Hours spent re-typing orders and invoices
- Errors, duplicates and missed updates
- Data is always out of date somewhere
- Hard to scale as volumes grow
API integration
Best for: growing businesses with many systems
- Data flows automatically in real time
- Fewer errors and faster processes
- Staff focus on customers, not copying data
- Scales with orders and new tools
- Monitored, with alerts if anything fails
- One-time integration development
Using a no-code automation tool that keeps breaking or hitting limits? We can replace it with robust custom integrations. Ask us.
How We Work
Our API Integration Process
A careful, tested process so integrations work reliably from day one.
- 01
Discovery & mapping
We list the systems, data and workflows involved and map exactly which data should move where and when.
- 02
API review & design
We review each system's API, authentication and limits, then design the integration flow and error handling.
- 03
Development
We build the integration or custom API with secure credentials, retries, logging and clear documentation.
- 04
Testing
End-to-end testing in sandbox environments with real scenarios, edge cases and failures.
- 05
Go-live
A controlled launch with data checks, so nothing is lost or duplicated during the switch.
- 06
Monitoring & support
Monitoring, alerts and updates when third-party APIs change, so integrations keep working.
Integration Toolkit
Integration Technologies and Standards
Proven protocols and practices for reliable, secure integrations.
Protocols
- REST
- SOAP
- GraphQL
- Webhooks
- gRPC
Data Formats
- JSON
- XML
- CSV and EDI
- HL7 / FHIR
Security
- OAuth 2.0
- API keys
- JWT
- Encryption
- IP allow-listing
Reliability
- Queues
- Retries
- Idempotency
- Rate limiting
- Logging
Platforms
- Node.js
- Python
- Java
- .NET
- PHP
- Cloud functions
Why Choose Us
Why Choose Us as Your API Integration Company
Integrations are only valuable if they keep working. That is where we focus.
Broad integration experience
Payments, shipping, ERP, CRM, healthcare, travel, messaging and more.
Built for reliability
Retries, queues, idempotency and monitoring so failures do not lose data.
Security first
Secure credential storage, encryption and least-privilege access on every integration.
Clear documentation
Every integration and custom API is documented for your team.
Fixed, transparent pricing
Clear quotes per integration, with no surprise charges.
Ongoing maintenance
We update integrations when third-party APIs change, so your business keeps running.
Pricing
How Much Does API Integration Cost?
Cost depends on the number of systems, data volume, complexity and documentation quality of each API. Typical ranges:
Single Integration
Typical budget
$800 – $3,000
Timeline: 1–3 weeks
One third-party API, such as a payment gateway, courier or messaging service.
Multi-System Integration
Typical budget
$3,000 – $12,000
Timeline: 3–8 weeks
Several systems connected, such as store, ERP, CRM and shipping, with two-way sync.
Integration Platform / Custom API
Typical budget
$12,000+
Timeline: 2+ months
Middleware, custom APIs and enterprise-scale integrations with monitoring.
Maintenance plans keep your integrations updated as third-party APIs change. Fixed quote after a free consultation.
FAQs
API Integration FAQs
Quick answers about connecting your systems.
API integration connects two or more software systems through their APIs so they can share data and trigger actions automatically, for example sending website orders to accounting and courier systems without manual entry.
We build payment gateway, shipping and courier, ERP and accounting, CRM, ecommerce and marketplace, messaging and SMS, telephony, healthcare EHR/EMR, travel and booking, HR and payroll, and AI API integrations, plus custom APIs.
A single third-party integration typically costs $800 to $3,000, multi-system integrations $3,000 to $12,000, and integration platforms or custom APIs from $12,000, depending on complexity.
A single integration usually takes 1 to 3 weeks. Connecting several systems with two-way sync takes 3 to 8 weeks, and larger integration platforms 2 months or more.
We monitor integrations and offer maintenance plans that update them when providers change their APIs, so your workflows keep running without interruption.
Yes. We design and build secure, documented REST or GraphQL APIs for your software, so your mobile apps, partners and other systems can integrate with it.
Ready to Connect Your Systems?
Book a free consultation. Tell us which tools you use and get a clear integration plan and a fixed quote.