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Enterprise API Management

🚀 Enterprise API Platform​

The RecoAgent Enterprise API platform provides production-grade API management with versioning, rate limiting, GraphQL support, and comprehensive SDK generation for Fortune 500 organizations.

🎯 API Capabilities​

1. API Versioning​

  • Backward Compatibility: Maintain API compatibility across versions
  • Deprecation Management: Graceful API sunset policies
  • Version Routing: Intelligent request routing to appropriate versions
  • Migration Support: Automated migration tools and guides

2. Advanced Rate Limiting​

  • Per-Tenant Limits: Isolated rate limits per tenant
  • Per-API-Key Limits: Individual API key rate limiting
  • Tiered Limits: Different limits for different subscription tiers
  • Burst Handling: Token bucket and leaky bucket algorithms

3. GraphQL API​

  • Efficient Data Fetching: Request only needed data
  • Real-Time Subscriptions: WebSocket-based live updates
  • Schema Federation: Apollo Federation for microservices
  • Type Safety: Auto-generated TypeScript types

4. SDK Generation​

  • Multi-Language Support: Python, TypeScript, Java, Go
  • Type Safety: Auto-generated type definitions
  • Documentation: Inline code documentation and examples
  • Version Management: SDK versioning aligned with API versions

5. API Gateway Integration​

  • Kong Integration: Kong API Gateway support
  • Apigee Integration: Google Apigee integration
  • AWS API Gateway: Amazon API Gateway support
  • Azure API Management: Microsoft API Management integration

🚀 Quick Start​

1. API Versioning Setup​

Configure API Versions​

from recoagent.packages.api.versioning import APIVersionManager

# Initialize API version manager
api_manager = APIVersionManager()

# Add API versions
api_manager.add_version(
    version="v1",
    deprecation_date="2024-12-31",
    sunset_date="2025-06-30",
    status="deprecated"
)

api_manager.add_version(
    version="v2",
    current=True,
    status="active"
)

# Configure version routing
api_manager.set_default_version("v2")
api_manager.set_fallback_version("v1")

Version-Specific Endpoints​

from fastapi import APIRouter
from recoagent.packages.api.versioning import versioned_router

# Create versioned router
v1_router = versioned_router("v1")
v2_router = versioned_router("v2")

# V1 endpoint (deprecated)
@v1_router.get("/users")
async def get_users_v1():
    return {"users": [], "version": "v1"}

# V2 endpoint (current)
@v2_router.get("/users")
async def get_users_v2():
    return {"users": [], "version": "v2", "features": ["enhanced"]}

2. Rate Limiting Configuration​

Per-Tenant Rate Limiting​

from recoagent.packages.api.rate_limiting import RateLimiter

# Configure rate limiter
rate_limiter = RateLimiter(
    algorithm="token_bucket",
    default_limit=1000,  # requests per hour
    burst_limit=100     # burst requests
)

# Set tenant-specific limits
rate_limiter.set_tenant_limit(
    tenant_id="enterprise_tenant",
    limit=10000,  # 10K requests per hour
    burst_limit=1000
)

# Set API key limits
rate_limiter.set_api_key_limit(
    api_key="sk-enterprise-123",
    limit=5000,  # 5K requests per hour
    burst_limit=500
)

Tiered Rate Limiting​

# Configure tiered limits
rate_limiter.configure_tiers({
    "free": {"limit": 100, "burst": 10},
    "basic": {"limit": 1000, "burst": 100},
    "professional": {"limit": 10000, "burst": 1000},
    "enterprise": {"limit": 100000, "burst": 10000}
})

# Apply tier to user
rate_limiter.set_user_tier("user123", "enterprise")

3. GraphQL API Setup​

GraphQL Schema Definition​

from recoagent.packages.api.graphql import GraphQLSchema

# Define GraphQL schema
schema = GraphQLSchema()

# Add types
schema.add_type("User", {
    "id": "ID!",
    "name": "String!",
    "email": "String!",
    "role": "String!"
})

schema.add_type("Query", {
    "users": "[User!]!",
    "user": "User"
})

schema.add_type("Mutation", {
    "createUser": "User!",
    "updateUser": "User!",
    "deleteUser": "Boolean!"
})

GraphQL Resolvers​

from recoagent.packages.api.graphql import GraphQLResolver

# Create resolver
resolver = GraphQLResolver()

@resolver.query("users")
async def resolve_users(parent, info, **kwargs):
    # Fetch users from database
    return await get_users()

@resolver.mutation("createUser")
async def resolve_create_user(parent, info, input_data):
    # Create user
    return await create_user(input_data)

4. SDK Generation​

Generate SDKs​

from recoagent.packages.api.sdk_generator import SDKGenerator

# Initialize SDK generator
sdk_generator = SDKGenerator()

# Generate Python SDK
sdk_generator.generate_python_sdk(
    output_dir="./sdks/python",
    version="2.0.0",
    include_examples=True
)

# Generate TypeScript SDK
sdk_generator.generate_typescript_sdk(
    output_dir="./sdks/typescript",
    version="2.0.0",
    include_types=True
)

# Generate Java SDK
sdk_generator.generate_java_sdk(
    output_dir="./sdks/java",
    version="2.0.0",
    package_name="com.recoagent.sdk"
)

SDK Usage Examples​

# Python SDK usage
from recoagent_sdk import RecoAgentClient

client = RecoAgentClient(
    api_key="sk-enterprise-123",
    base_url="https://api.recoagent.com/v2"
)

# Make API call
users = await client.users.list()
user = await client.users.get("user123")
// TypeScript SDK usage
import { RecoAgentClient } from '@recoagent/sdk';

const client = new RecoAgentClient({
  apiKey: 'sk-enterprise-123',
  baseUrl: 'https://api.recoagent.com/v2'
});

// Make API call
const users = await client.users.list();
const user = await client.users.get('user123');

📊 API Features​

1. Rate Limiting Algorithms​

AlgorithmUse CaseBurst HandlingFairness
Token BucketGeneral purpose✅ Excellent✅ Fair
Leaky BucketSmooth traffic✅ Good✅ Very Fair
Fixed WindowSimple limits❌ Poor❌ Unfair
Sliding WindowPrecise limits✅ Good✅ Fair

2. API Gateway Support​

GatewayStatusFeaturesEnterprise
Kong✅ ProductionRate limiting, Auth, Analytics✅ Yes
Apigee✅ ProductionAPI Management, Monetization✅ Yes
AWS API Gateway✅ ProductionServerless, Lambda✅ Yes
Azure API Management✅ ProductionPolicy engine, Analytics✅ Yes

3. SDK Language Support​

LanguageStatusType SafetyDocumentation
Python✅ Production✅ Full✅ Complete
TypeScript✅ Production✅ Full✅ Complete
Java✅ Production✅ Full✅ Complete
Go✅ Production✅ Full✅ Complete
C#🚧 Beta✅ Full✅ Complete

🛡️ API Security​

1. Authentication Methods​

  • API Keys: Simple key-based authentication
  • JWT Tokens: Stateless token authentication
  • OAuth 2.0: Standard OAuth flow
  • SSO Integration: Enterprise SSO authentication

2. Authorization Levels​

  • Public: No authentication required
  • Authenticated: Valid API key required
  • Authorized: Specific permissions required
  • Admin: Administrative access required

3. Security Headers​

  • CORS: Cross-origin resource sharing
  • CSP: Content security policy
  • HSTS: HTTP strict transport security
  • Rate Limiting: DDoS protection

📚 Documentation​

API Versioning​

Rate Limiting​

GraphQL API​

SDK Generation​

Gateway Integration​

API Analytics​

🎯 Next Steps​

  1. Choose API Strategy: Select versioning and rate limiting approach
  2. Configure API Gateway: Set up your preferred API gateway
  3. Implement GraphQL: Add GraphQL endpoints if needed
  4. Generate SDKs: Create SDKs for your target languages
  5. Set Up Analytics: Configure API usage monitoring
  6. Test APIs: Validate API functionality and performance

Build enterprise-grade APIs with production-ready management! 🚀