How to Fix Proxy Error 429 on Janitor AI

Proxy Error 429 on Janitor AI almost always means rate limiting (too many requests) somewhere in the chain—usually OpenRouter free models, the upstream model provider, or occasional maintenance/outage. The fix depends on which 429 you’re getting.

This guide walks through diagnosis → fast fixes → long-term fixes, with steps that work whether you’re using OpenRouter, a custom proxy, or a direct provider key.

What “Proxy Error 429” Means on Janitor AI

A 429 is an HTTP status code for Too Many Requests. In Janitor AI, “Proxy Error 429” typically appears because Janitor AI is acting as a client to another service (your proxy / OpenRouter / model provider), and that service is rejecting requests due to limits or overload.

Common 429 messages you might see:

1. Rate limit exceeded: free-models-per-day

   This is the classic OpenRouter free-tier daily cap problem. OpenRouter documents that free :free models are limited (daily + per-minute), and buying credits increases the cap.

2. “model is under maintenance”

   This is not your fault—your selected model/provider is temporarily unavailable. Users report this specifically with certain models/providers behind Janitor AI.

3. Repeated 429s even when you “barely used it”

   This can happen due to:

   • per-minute limits (bursting too fast),
   • provider congestion,
   • retries/refreshes consuming quota,
   • multiple sessions/devices using the same key,
   • a model being overloaded.

Step 1: Identify Which 429 You Have (Do This First)

When Janitor AI shows the error, look closely for keywords inside the message:

A) If you see free-models-per-day or :free

You hit OpenRouter’s free daily quota.

OpenRouter states:

• Free :free models: 20 requests/minute and 50 requests/day if you have < $10 credits
• If you purchase ≥ $10 credits, the free-model cap increases to 1000/day

B) If you see “maintenance”

The model/provider is down temporarily. Switch models and try later.

C) If you see generic “Too many requests” without free/daily wording

That’s usually per-minute throttling, bursting, or provider overload.

Fast Fixes (Try These in Order)

Fix 1: Stop Spamming Refresh (It Can Make It Worse)

If you refresh/retry rapidly, you can trigger per-minute limits or burn remaining requests faster (especially on free routes). OpenRouter free models have a per-minute cap.

What to do:

• Wait 2–10 minutes
• Then try sending one message

Fix 2: Check If You Hit OpenRouter Free Daily Limit

If your error mentions free-models-per-day, the immediate fix is: wait for reset or increase your quota.

Options:

• Wait for the daily reset
• Many users report reset at 00:00 UTC (may vary by system/account).
• Add ≥ $10 credits on OpenRouter to raise free-model requests/day (up to 1000/day for free models per OpenRouter docs).
• Use a paid (non-:free) model (paid models won’t be constrained by the free daily cap the same way).

Fix 3: Switch the Model (Most Reliable for “Overloaded/Busy”)

If one model is overloaded or under maintenance, switching models often works immediately.

Examples of when this helps:

• DeepSeek/provider congested
• “model is under maintenance”
• constant 429 spikes during peak hours

What to do:

• In Janitor AI chat settings → API/model selection
• Choose a different model (even temporarily)

Fix 4: Re-enter Your API Key (For “Stuck” Sessions)

A surprisingly common fix is forcing Janitor AI to re-init the connection.

Steps

1. Copy your API key somewhere safe
2. Remove it in Janitor AI API settings
3. Save
4. Paste it again
5. Save and retry

This is widely recommended as a quick workaround.

Fix 5: Hard Refresh / Switch Browser / Clear Site Data

If the error persists after waiting and switching models, it can be a browser/session issue.

Try:

• Hard refresh (Ctrl+F5 / Cmd+Shift+R)
• Open Janitor AI in another browser (Chrome → Firefox/Safari)
• Clear site data (cookies/cache) for Janitor AI only

Users report that browser switching/hard refresh can help in some cases.

If You’re Using OpenRouter on Janitor AI: Correct Proxy Setup

Many users configure Janitor AI to call OpenRouter’s chat completions endpoint directly.

A commonly shared setup is:

• URL: https://openrouter.ai/api/v1/chat/completions
• Key: your OpenRouter API key

If your URL is wrong, you may get weird proxy errors (including repeated throttling/blocks if you’re bouncing between endpoints).

Long-Term Fixes (So It Doesn’t Keep Happening)

1) Upgrade Your Quota (The “No Drama” Option)

If you rely heavily on free models, the biggest stability improvement is meeting the credit threshold.

OpenRouter documents:

• < $10 credits → 50 free requests/day
• ≥ $10 credits → 1000 free requests/day

If you’re constantly hitting 429, you’re simply running into enforced limits.

2) Slow Down Message Bursts (Avoid Per-Minute Limits)

Even if you’re under the daily cap, free models are also limited per-minute.

Practical habits

• Don’t send multiple rapid messages back-to-back
• Avoid retrying instantly after a failure
• If you must retry, wait 30–120 seconds first

3) Avoid Multi-Device / Multi-Tab Collisions

If your key is used simultaneously:

• multiple browser tabs,
• phone + desktop,
• background refreshes,
• …you can hit per-minute throttles faster.

Do this:

• Close extra tabs
• Log out/in once
• Use one device during heavy usage

4) If You’re Building/Using a Custom Proxy: Add Backoff

If you’re routing via your own proxy (or any tool that retries automatically), implement exponential backoff so you don’t hammer the endpoint after a 429.

OpenAI’s general guidance for 429s is exponential backoff (wait, retry, wait longer, retry…). The same principle applies to OpenRouter/provider throttling.

Troubleshooting Matrix (Match Error → Fix)

Error text contains…	Likely cause	Best fix
free-models-per-day	OpenRouter free daily quota	Wait for reset or add ≥ $10 credits
“20 rpm” / sudden 429 after many fast sends	Per-minute throttling	Wait 2–10 minutes; slow down
“model is under maintenance”	Provider/model downtime	Switch model; try later
429 repeats and “eats” attempts	Congestion + retries	Stop retries, switch model, wait
Works in another browser	Session/cache issue	Hard refresh / clear site data

Prevention Checklist (Keep This Handy)

• Don’t rapid-fire retries after a 429 (wait a few minutes)
• Prefer non-:free models when you need reliability
• If using OpenRouter free models a lot, consider ≥ $10 credits for higher daily cap
• Keep one active tab/device per API key during long sessions
• Switch models quickly when “maintenance” appears

Quick FAQ

Does a VPN cause Proxy Error 429 on Janitor AI?

Sometimes a VPN can increase friction with rate limits or anti-abuse systems, but most Janitor AI 429s are quota/congestion-related, especially with OpenRouter free models. Start by checking if the message mentions free-models-per-day.

When does the free daily limit reset?

Many users report resets at 00:00 UTC, but this can vary and is safest to treat as “daily window reset.”

Why am I getting 429 after only a few messages?

Common reasons:

• another device/tab used your remaining quota,
• rapid retries/bursts tripped per-minute caps,
• the provider/model is overloaded and rejecting traffic.