Advanced Eseni Concepts

Master performance optimization, security patterns, and complex integrations with our in-depth technical guides.

Core Advanced Features

Performance Optimization

Learn advanced rate-limiting strategies, caching patterns, and asynchronous request handling for high-volume operations.

// Example: Batch requests
POST /api/v1/batch
Content-Type: application/json

{
  "requests": [
    { "method": "GET", "path": "/users" },
    { "method": "GET", "path": "/projects" }
  ]
}
                    
View Batch Processing Docs →
Security Best Practices

Implement advanced authentication flows, token rotation, and secure data handling patterns.

// Example: Token rotation strategy
const newToken = await fetchNewAccessToken();
await rotateToken(
  oldToken, 
  newToken, 
  { expiresIn: '7d' }
);
                    
View Security Guide →
Webhook Management

Configure and secure webhook endpoints with rate-limiting, signature validation, and retry systems.

// Webhook validation
const isValid = verifySignature(
  req.headers['x-signature'],
  req.body
);

if (!isValid) {
  return res.status(401).send('Unauthorized');
}
                    
View Webhook Docs →
Enterprise Patterns

Discover enterprise-grade architecture patterns for multi-tenant systems and distributed environments.

// Tenant isolation example
const tenantContext = getTenantContext(req);
initMultiTenantDB(
  tenantContext.identifier,
  { isolation: 'strict' }
);
                    
View Enterprise Docs →

Advanced Developer Tools

API Inspector

Interactive tool for deep inspection of API request chains and response patterns.

Open Inspector
Performance Monitor

Monitor request latency, cache hit rates, and API usage patterns in real-time.

Start Monitoring
Code Generator

Generate SDKs and boilerplate code for various programming languages and frameworks.

Generate Code

Common Advanced Issues

Error 429: Rate Limited

You've exceeded allocated request limits. Check your plan limits and implement retry with exponential backoff.

// Retry logic example
async function retryRequest() {
  let retries = 0;
  const maxRetries = 5;
  const delay = 1000;
  
  while (retries < maxRetries) {
    try {
      const response = await makeRequest();
      return response;
    } catch (error) {
      if (error.status === 429) {
        retries++;
        await new Promise(resolve => setTimeout(resolve, delay * Math.pow(2, retries)));
        continue;
      }
      throw error;
    }
  }
}
                    
View Rate Limiting Docs →

Webhook Signature Mismatches

Verify your webhook secret matches exactly, ensure headers are properly preserved during proxying.

// Signature verification
const signature = req.headers['x-hub-signature-256'];
const calculated = createHmac('sha256', webhookSecret)
  .update(JSON.stringify(req.body))
  .digest('hex');
  
return calculated === signature;
                    
View Webhook Guide →