ekofyi
Liveapishipped v1.0.0

Rate Limit Calculator

Calculate equivalent rates (per second/minute/hour/day), worker delays, budget exhaustion time, monthly cost estimation, and exponential backoff retry strategy. Includes presets for 9 popular APIs (GitHub, OpenAI, Stripe, Twitter/X, Shopify, AWS, Cloudflare, Google Maps, SendGrid), rate limit response headers reference (X-RateLimit-*, Retry-After, IETF draft), and 5 rate limiting algorithm explanations (Token Bucket, Sliding Window, Fixed Window, Leaky Bucket).

rate-limitapithrottleretrybackoff429

per second

1.67

per minute

100

per hour

6,000

per day

144,000

Practical info

Min delay (single worker)600ms
Delay per worker (10)6000ms
Budget exhausted (10 workers)10.0s
Monthly requests (sustained)4,320,000
Monthly cost$8.64
Yearly cost$103.68

Exponential backoff

AttemptDelayWith jitter (10%)Total elapsed
11.0s1.1s1.0s
22.0s2.2s3.0s
34.0s4.4s7.0s
48.0s8.8s15.0s
516.0s17.6s31.0s