Rate Limits
ArchiCore API implements rate limiting to ensure fair usage.
Limits by Tier
| Tier | Requests/day | Requests/minute | Projects |
|---|---|---|---|
| Free | 100 | 10 | 3 |
| Pro | 10,000 | 100 | 25 |
| Enterprise | Unlimited | 1,000 | Unlimited |
Rate Limit Headers
Every API response includes rate limit information:
HTTP/1.1 200 OK
X-RateLimit-Limit: 100
X-RateLimit-Remaining: 95
X-RateLimit-Reset: 1640000000
| Header | Description |
|---|---|
X-RateLimit-Limit | Maximum requests allowed |
X-RateLimit-Remaining | Requests remaining in window |
X-RateLimit-Reset | Unix timestamp when limit resets |
Rate Limit Exceeded
When you exceed the rate limit:
HTTP/1.1 429 Too Many Requests
Retry-After: 60
{
"success": false,
"error": "Rate limit exceeded",
"code": "RATE_LIMIT_EXCEEDED",
"retryAfter": 60
}
Best Practices
1. Check Headers
Always check X-RateLimit-Remaining before making requests:
async function makeRequest(url) {
const response = await fetch(url, { headers });
const remaining = response.headers.get('X-RateLimit-Remaining');
if (parseInt(remaining) < 10) {
console.warn('Rate limit running low:', remaining);
}
return response.json();
}
2. Implement Exponential Backoff
async function requestWithRetry(url, maxRetries = 3) {
for (let i = 0; i < maxRetries; i++) {
const response = await fetch(url, { headers });
if (response.status !== 429) {
return response.json();
}
const retryAfter = response.headers.get('Retry-After') || 60;
await sleep(retryAfter * 1000 * Math.pow(2, i));
}
throw new Error('Max retries exceeded');
}
3. Cache Responses
Cache responses to reduce API calls:
const cache = new Map();
async function getCached(key, fetchFn, ttl = 60000) {
const cached = cache.get(key);
if (cached && Date.now() - cached.timestamp < ttl) {
return cached.data;
}
const data = await fetchFn();
cache.set(key, { data, timestamp: Date.now() });
return data;
}
4. Batch Operations
Use batch endpoints when available:
// Instead of multiple requests
for (const id of projectIds) {
await client.projects.get(id); // ❌ Multiple requests
}
// Use batch endpoint
await client.projects.getBatch(projectIds); // ✓ Single request
Increasing Limits
Need higher limits? Upgrade to Pro or contact us for Enterprise plans.