REST API development
Resource-based APIs with validation, authentication, error handling and documentation.
API development and integration
API development and integration services
Nezore builds clean, secure and maintainable APIs for web applications, mobile apps, SaaS platforms, dashboards and business systems. We also connect existing software, data sources and third-party services.
- API styles
- REST + GraphQL
- Backends
- Node, Python FastAPI, and Laravel
- Databases
- MongoDB + PostgreSQL
Structured delivery
Connect applications, data and workflows
- 01Understand systems and data flow
- 02Define endpoints, permissions and contracts
- 03Build, document and integrate the API
- 04Test reliability, errors and deployment
The exact scope, team structure, timeline and pricing are agreed after reviewing the project requirements.
What we build
Backend APIs and integrations for digital products
A well-designed API makes frontend, mobile, database and third-party systems work together predictably.
GraphQL API development
Typed schemas and resolvers for applications that need flexible data access.
Backend systems
Business logic, services, jobs, authentication and database access.
Third-party integrations
Connect payments, CRMs, email, maps, AI services, analytics and operational tools.
Database APIs
Secure access to MongoDB, PostgreSQL or other application data.
API modernization
Repair, restructure or extend an existing backend and integration layer.
Who this is for
For products that need reliable system connectivity
API work is relevant to both new products and existing systems that need better data flow or integrations.
Web and mobile product teams
Build the backend required by frontend and mobile applications.
SaaS companies
Expose product functionality, connect services and support integrations.
Businesses with disconnected tools
Automate data movement and reduce repeated manual entry.
Agencies and engineering teams
Add backend capacity for APIs, integrations, debugging or architecture.
Common capabilities
Common API capabilities
The architecture depends on the data, security, consumers, performance and integration requirements.
- ✓REST endpoints
- ✓GraphQL schemas
- ✓OAuth and token authentication
- ✓Role-based authorization
- ✓Input validation
- ✓Error handling
- ✓API documentation
- ✓Rate limiting
- ✓Webhooks
- ✓Background jobs
- ✓Database integration
- ✓Cloud deployment
Ways to start
Start with architecture or a focused integration
A defined API contract and data flow reduces costly changes during frontend or mobile development.
Planning
API architecture review
Define consumers, data, endpoints and security.
- •System and data-flow review
- •Endpoint or schema plan
- •Authentication approach
- •Effort estimate
Common starting point
Integration
API or integration module
Build one working backend or connection.
- •API implementation
- •Database or service connection
- •Testing and documentation
- •Deployment support
Platform
Complete backend system
Deliver a broader API and integration layer.
- •Architecture and services
- •Authentication and roles
- •Multiple integrations
- •QA and production launch
Pricing is transparent and agreed before development starts. Scope changes are discussed before extra work proceeds. View our pricing approach.
Our process
A clear path from requirement to working software
Each stage has a practical outcome, clear responsibilities and an agreed checkpoint before the project moves forward.
- Step 1
Discovery
Understand the business problem, users, current workflow, constraints and desired outcome.
- Step 2
Planning
Define scope, priorities, user roles, data, integrations, risks, milestones and acceptance criteria.
- Step 3
UI/UX and architecture
Plan the interface, system structure, APIs, database, security and deployment approach.
- Step 4
Development
Build the agreed frontend, backend, database and integrations in reviewable phases.
- Step 5
Testing
Validate critical workflows, permissions, responsiveness, edge cases and release readiness.
- Step 6
Deployment and support
Launch the product, complete the handover and plan maintenance or future development.
Technology
Backend and integration technologies
We select the framework and architecture according to the product, existing stack and team requirements.
Node.jsExpress.jsNestJSLaravelPHPPythonRESTGraphQLApolloOAuth 2.0SAMLWebhooksMongoDBPostgreSQLRedisDocker
Related experience
Experience with complex, data-driven business systems
Nezore combines hands-on software engineering with planning, technical leadership, testing and delivery coordination.
- Forestry and cadastre management platform covering land records, plots, owners, planning workflows and dashboards
- Maritime and Bill of Lading data platform with APIs, search, large data imports and database-driven pages
- Web, mobile, e-commerce, management, analytics and custom business software delivered for international clients
- Full-stack delivery across frontend, backend, databases, APIs, integrations, testing, deployment and support
FAQ
Questions about API development
Can you build an API for my web or mobile app?
Yes. We can design and build the backend API, authentication, database access, validation and business logic required by the application.
Do you build both REST and GraphQL APIs?
Yes. The choice depends on the application, client needs, data model and existing architecture.
Can you integrate third-party services?
Yes. We can connect payment services, CRMs, email tools, maps, AI APIs, analytics systems and other platforms that provide suitable APIs.
Can you fix an existing API?
Yes. We can diagnose errors, improve validation, add endpoints, repair database logic, improve security or restructure unstable areas.
Do you provide API documentation?
Documentation, request examples and setup notes can be included so frontend teams and future developers understand how to use the API.
Can you implement SSO?
Yes. OAuth, OpenID Connect, Azure AD, Google Workspace or SAML integration can be planned where required.
Start a conversation
Need an API, backend or system integration?
Send the applications involved, required data flow, authentication needs, current documentation, budget range and target timeline.