# Rate Limiting

1import { RateLimiter } from '@solongate/sdk';
2
3const limiter = new RateLimiter({
4  maxRequests: 100,
5  windowMs: 60000,  // 1 minute
6});
7
8const result = limiter.check(userId);
9
10if (!result.allowed) {
11  console.log('Rate limited!');
12  console.log('Retry after:', result.retryAfterMs, 'ms');
13} else {
14  console.log('Remaining:', result.remaining);
15}

1import { RateLimiter } from '@solongate/sdk';
2
3// Sliding window provides smoother rate limiting
4const limiter = new RateLimiter({
5  maxRequests: 100,
6  windowMs: 60000,
7  algorithm: 'sliding-window',  // Default: 'fixed-window'
8});
9
10// Per-user limiting
11const userResult = limiter.check(userId);
12
13// Per-IP limiting
14const ipResult = limiter.check(ipAddress);
15
16// Combined limiting (most restrictive wins)
17const combined = limiter.checkMultiple([userId, ipAddress]);