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APIs and backends · Worldwide

API & Backend Development Company

We build backends that stay stable under load, integrate cleanly with other systems and remain easy to evolve.

India-based global teamStartups, SMBs and enterprises worldwide
Architecture-firstBuilt to scale cleanly
Transparent deliveryMilestones you can track
Post-launch careMaintenance & iteration

Service Overview

Why teams choose AppsAura for api & backend development

Frontends move fast; backends must stay trustworthy. AppsAura builds APIs and backend systems that handle auth, data, jobs and integrations with clear contracts and operational visibility.

We design REST/GraphQL APIs, microservices where they earn their keep, and third-party integrations that fail gracefully. Documentation and versioning are part of delivery — not an afterthought.

If your systems are fragmented, we also plan system integration so tools and data flows become coherent.

Good APIs are products. We design for consumers: predictable errors, pagination, idempotency keys where needed and documentation that onboarding engineers can follow without tribal knowledge.

For integration-heavy backends, we map failure modes early — timeouts, partial success, duplicate webhooks — and encode them into the design so operations stay calm when partners misbehave.

Outcomes

What you get

  • Well-documented, secure APIs
  • Faster integrations across tools and partners
  • Scalable service boundaries
  • Lower operational surprises after launch

Who this is for

  • Product teams needing a solid API for web/mobile clients
  • Companies integrating payments, CRM, ERP or partner systems
  • Organizations splitting a monolith carefully into services
  • Teams fighting unreliable integrations and unclear contracts

Engagement models

  • API design + build for a product release
  • Integration-heavy backend programs
  • Microservices extraction in phases
  • Backend maintenance and performance retainers

Capabilities

All api & backend development solutions

Specialized offerings under this hub. Each maps to a distinct search intent and can become a standalone URL after keyword and SERP validation.

API Development

REST/GraphQL APIs designed for performance, versioning and security.

  • Discovery & scoped roadmap
  • Design + engineering delivery
  • QA, launch & iteration support
API and backend development →

Custom API Development

Domain-specific APIs tailored to your product and partners.

  • Discovery & scoped roadmap
  • Design + engineering delivery
  • QA, launch & iteration support
API and backend development →

API Integration

Reliable connections between internal and external platforms.

  • Discovery & scoped roadmap
  • Design + engineering delivery
  • QA, launch & iteration support
Get api integration →

Backend Development

Robust server-side systems for auth, data, jobs and business rules.

  • Discovery & scoped roadmap
  • Design + engineering delivery
  • QA, launch & iteration support
API and backend development →

Microservices Development

Service-oriented architectures that scale independently.

  • Discovery & scoped roadmap
  • Design + engineering delivery
  • QA, launch & iteration support
Get microservices development →

Third-Party API Integration

Payments, CRM, maps, messaging and more — integrated cleanly.

  • Discovery & scoped roadmap
  • Design + engineering delivery
  • QA, launch & iteration support
Get third-party api integration →

System Integration

Unify fragmented tools into coherent operational workflows.

  • Discovery & scoped roadmap
  • Design + engineering delivery
  • QA, launch & iteration support
Get system integration →

Deliverables

What we hand over

  • API design (resources, auth, versioning, error model)
  • Backend implementation with tests and observability hooks
  • Integration adapters and webhook handling
  • Developer-facing API documentation
  • Performance and security baseline checks
  • Deployment support and handover runbooks

Technology

Stacks we commonly use

Node.js Python PostgreSQL MongoDB Redis REST GraphQL Docker