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API & Integration
REST API Development
Professional REST API development. We build RESTful APIs with proper resource design, authentication, pagination, versioning, and comprehensive documentation.
Get Started99.9%
API Uptime
<50ms
Avg Latency
100%
API Documentation
REST & GraphQL
Protocols
Service Category
REST API Engineering
Ideal For
Teams building public, internal, or B2B REST APIs that need proper design, security, and documentation.
Timeline
3 – 8 weeks
Why Choose MicrocosmWorks for REST API Development?
REST remains the standard for web APIs — but many REST APIs are poorly designed, inconsistent, and hard to use. We build REST APIs that follow best practices: predictable URL structures, proper HTTP methods, consistent error responses, efficient pagination, and documentation that developers actually want to read.
Our REST API Development Capabilities
- Resource-Oriented Design — Model APIs around business resources with proper noun-based URLs, HTTP method semantics, and consistent conventions.
- Authentication & Security — Implement JWT, OAuth 2.0, API keys, and RBAC with proper token management and security headers.
- Pagination & Filtering — Build cursor-based pagination, flexible filtering, sorting, and field selection for efficient data access.
- Validation & Error Handling — Implement request validation with descriptive errors, proper HTTP status codes, and machine-readable error formats.
- Rate Limiting & Throttling — Protect APIs with configurable rate limits, usage quotas, and proper 429 responses with retry headers.
- SDK Generation — Auto-generate client SDKs in TypeScript, Python, and other languages from OpenAPI specifications.
Technology Stack
We build REST APIs with Express, Fastify, or NestJS on Node.js, FastAPI on Python, or Chi/Gin on Go. OpenAPI specification drives documentation, code generation, and testing. APIs deploy on Vercel, AWS, or Kubernetes with proper API gateway configuration.
Who This Is For
Teams building public-facing APIs for partners and developers, internal APIs connecting microservices, or B2B APIs for product integrations. We deliver REST APIs that follow standards, perform well, and provide excellent developer experience.
Our Process
1
API Design
Model resources, define endpoints, authentication model, pagination strategy, and error conventions.
2
Specification
Write OpenAPI spec, define schemas, set up mock server, and validate design with consumers.
3
Development
Implement endpoints, authentication, validation, rate limiting, and business logic.
4
Testing & Documentation
Write integration tests, generate interactive docs, and create getting-started guides.
5
Launch & Monitor
Deploy, set up monitoring and analytics, publish docs, and onboard first API consumers.
Technology Stack
Node.js
ExpressFastifyNestJSHono
Python
FastAPIDjango RESTFlask
Spec & Docs
OpenAPI 3.1Swagger UIRedocPostman
Security
JWTOAuth 2.0API KeysRBACHelmet
Industries We Serve
SaaSFinTechE-CommerceHealthcareEnterpriseMarketplace
Ready to Build a REST API?
Let's build a REST API that developers love — well-designed, well-documented, and reliable.
Frequently Asked Questions
We build REST APIs using Node.js with Express or Fastify, Python with FastAPI or Django REST Framework, Go with Gin, and .NET Web API. We choose the stack based on your performance requirements, team expertise, and ecosystem needs.
MicrocosmWorks offers REST API development at $15-$45/hour. Costs depend on the number of endpoints, authentication complexity, rate limiting requirements, and integration with external services.
Yes, we implement API versioning via URL path or headers, auto-generate OpenAPI/Swagger documentation, use consistent error response formats, and follow HATEOAS principles where appropriate for discoverability.
Absolutely. We implement OAuth2 with JWT tokens, role-based and attribute-based access control, API key management, rate limiting per client, and scope-based permissions to secure your REST API endpoints.
We implement cursor-based pagination for consistent results, flexible filtering with query parameters, sparse fieldsets to reduce payload size, and ETag-based caching to minimize bandwidth usage on frequently accessed endpoints.