AI API rate limits are the maximum number of requests or tokens you can use in a given time window. They help providers keep systems stable and fair for all users. Common rate-limit types: - Requests per minute/hour/day (RPM/RPH/RPD) - Tokens per minute (TPM) - Concurrent requests - Credits or quota limits How they’re usually enforced: - You may get a 429 Too Many Requests error - The response may include headers like: - `Retry-After` - `X-RateLimit-Limit` - `X-RateLimit-Remaining` - `X-RateLimit-Reset` Best practices: - Add exponential backoff with jitter - Cache repeated results - Batch requests where possible - Limit concurrency - Track token usage before sending requests - Use streaming only when helpful, since it still counts toward limits Example retry strategy: 1. Send request 2. If 429, wait a short random delay 3. Retry with increasing delays 4. Stop after a max retry count If you want, I can also help with: - rate-limit handling in Python/Node.js - estimating token usage - designing a throttling system for your app

Prompt

AI API rate limits

Artificial Intelligence / AI Platforms1 observationLast seen Oct 8, 2026

Latest observation

Oct 8, 2026

OpenAI APIWeb search: off

AI API rate limits are the maximum number of requests or tokens you can use in a given time window. They help providers keep systems stable and fair for all users.

Common rate-limit types:

Requests per minute/hour/day (RPM/RPH/RPD)
Tokens per minute (TPM)
Concurrent requests
Credits or quota limits

How they’re usually enforced:

You may get a 429 Too Many Requests error
The response may include headers like:
- Retry-After
- X-RateLimit-Limit
- X-RateLimit-Remaining
- X-RateLimit-Reset

Best practices:

Add exponential backoff with jitter
Cache repeated results
Batch requests where possible
Limit concurrency
Track token usage before sending requests
Use streaming only when helpful, since it still counts toward limits

Example retry strategy:

Send request
If 429, wait a short random delay
Retry with increasing delays
Stop after a max retry count

If you want, I can also help with:

rate-limit handling in Python/Node.js
estimating token usage
designing a throttling system for your app

Observation history

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