API Integration
Your product rarely lives in isolation. We connect it cleanly to the payment gateways, CRMs, maps, messaging platforms and internal systems it needs to talk to.
Why choose Appnestor for api integration
Payment Gateway Integration
Stripe, Razorpay, PayPal and regional payment rails wired up securely and PCI-aware.
Third-Party Service Connections
Maps, SMS/WhatsApp, email, calendars and analytics tools integrated cleanly.
REST & GraphQL Expertise
Clean, documented APIs for internal teams or external partners to consume.
Robust Error Handling
Retry logic, webhooks and monitoring so failed integrations don't fail silently.
A development process built for visibility
No black boxes — you see progress every two weeks, from kickoff to launch and beyond.
Discovery & Strategy
We dig into your goals, users and market to define scope, success metrics and a realistic roadmap.UI/UX Design
Wireframes and high-fidelity prototypes you can click through before a single line of code is written.Agile Development
Two-week sprints with visible progress — features ship incrementally, not in one risky release.QA & Testing
Manual and automated testing across devices, OS versions and edge cases before anything reaches users.Deployment & Launch
We handle App Store, Play Store and production server deployment, and stay close during launch week.Support & Growth
Post-launch monitoring, updates and feature iterations based on real usage data.Our API Integration toolkit
API Integration — Frequently Asked Questions
In almost all cases, yes — if it has documented endpoints or an SDK, we can integrate it, or reverse-engineer where documentation is limited.
Yes, we design clean REST or GraphQL APIs with proper documentation (Swagger/Postman) for internal or partner use.
We implement caching, retry-with-backoff, and fallback states so temporary third-party issues don't break your app.
Yes, we've handled several gateway migrations with zero-downtime cutover plans.
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Native iOS App Development
Swift-native apps crafted for the Apple ecosystem and App Store approval. Learn moreReady to start your api integration project?
Tell us your requirements and we'll reply with next steps and a realistic estimate.