Custom Software • ERPs • AI & LLMs • IoT — Get a free consultation
Reliable APIs that connect your systems seamlessly. API Development & Integration at App Developer India covers building secure REST and GraphQL APIs and connecting your software with third-party platforms, payment gateways, and legacy systems. We ensure clean documentation, versioning, and performance so integrations stay stable as your business scales.
We map your goals, users and workflows before a single line of API Development & Integration work begins.
Scalable, future-proof system design built specifically around your business.
Sprint-based releases with demos every two weeks — you always see progress.
Functional, performance and security testing baked into every milestone.
Encryption, role-based access and compliance-aware engineering as standard.
SLA-backed maintenance, monitoring and continuous improvement after go-live.
Free consultation, requirement workshops and a detailed proposal.
UX flows, wireframes and a clickable prototype you approve first.
Agile sprints with bi-weekly demos and transparent progress tracking.
Automated + manual QA, security checks and performance tuning.
Deployment, training, SLA support and continuous upgrades.
We build REST, GraphQL, and SOAP APIs, along with webhook systems and middleware for connecting disparate software platforms.
Simple third-party integrations take 1 to 3 weeks, while custom API development with documentation can take 4 to 8 weeks.
Yes, we regularly build middleware and adapters that connect modern APIs with older legacy databases and on-premise systems.
Tell us your idea — free consultation and a detailed proposal within 48 hours.
Custom software, ERPs, CRMs, AI & LLM solutions, IoT and cloud — engineered in India for businesses worldwide, across every industry.