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Docs: Point README to the website for current rate limits

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Limits change (e.g. 35 -> 25/day) and the README kept going stale, so it
now links to the homepage, which reads them live from rate-limit.js.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
multipleof4
2026-10-11 13:28:35 -07:00
co-authored by Claude Opus 5.5
parent 8ee76d38dd
commit f91d6c6616
2 changed files with 5 additions and 14 deletions
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README.md
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@@ -125,20 +125,12 @@ Use images to complement your responses, powered by Brave.
## Rate Limits
### WAF Protection (Cloudflare Free)
Limits change over time, so they aren't listed here. **Check the Rate Limits section on [direct-img.link](https://direct-img.link) for the current limits.**
| Rule | Limit | Action |
|---|---|---|
| Rate Limit | ~10 requests/10s per IP | HTTP 429 for ~10s |
### New Searches (Cache Misses)
- **35 new searches per day per IP** on `direct-img.link` and **100** on `free.direct-img.link` (separate counters, reset at midnight UTC), then `limit.webp` is served
- **Cache hits are unlimited** (within WAF limits above)
- **New searches (cache misses)** are limited per IP per day, then `limit.webp` is served. `direct-img.link` and `free.direct-img.link` have separate counters, both reset at midnight UTC
- **Cache hits are unlimited** (within the burst limit)
- Failed searches count toward the limit and are remembered for 24h (`bad.webp`)
- WAF counters are approximate (not shared perfectly across Cloudflare servers), so bursts may slip slightly past 10
- **Brave API quota:** $5 free monthly credits (1,000 queries), then $5/1k requests
- **Openverse & Wikimedia:** free, no quota costs
- A Cloudflare WAF burst limit applies to all requests (HTTP 429). Its counters are approximate (not shared perfectly across Cloudflare servers), so bursts may slip slightly past it
## Caching
assets/rate-limit.js
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// New searches (cache misses) allowed per IP per day, reset at 00:00 UTC. Cache hits never count.
// Safe to edit by hand. Imported by the worker and by the homepage (as a static file, so no Functions quota);
// README.md needs a manual update.
// Safe to edit by hand. Imported by the worker and by the homepage (as a static file, so no Functions quota).
// The burst limit (~10 req/10s) is a Cloudflare WAF rule, not set here.
export const DAILY_LIMIT = 25;
export const FREE_DAILY_LIMIT = 100;