> ## Documentation Index
> Fetch the complete documentation index at: https://docs.pumpevm.fun/llms.txt
> Use this file to discover all available pages before exploring further.

# Errors & rate limits

> Error codes, response format, and per-endpoint throttling.

## Error response format

```json theme={null}
{
  "type": "error",
  "data": {
    "code": "INSUFFICIENT_BALANCE",
    "message": "Insufficient balance. Required: 1000.00, Available: 500.00"
  }
}
```

## Error codes

| Code                   | Description               | Resolution           |
| ---------------------- | ------------------------- | -------------------- |
| `INSUFFICIENT_BALANCE` | Insufficient USDC balance | Deposit more funds   |
| `ORDER_NOT_FOUND`      | Order does not exist      | Verify `orderId`     |
| `INVALID_MARKET`       | Invalid market ID         | Check market address |
| `ORDER_EXCEEDS_LIMIT`  | Order size exceeds limit  | Reduce order size    |
| `RATE_LIMITED`         | Too many requests         | Slow down            |

## Rate limits

| Endpoint            | Limit | Window   |
| ------------------- | ----- | -------- |
| Order placement     | 100   | 1 second |
| Order cancellation  | 100   | 1 second |
| Order book requests | 1,000 | 1 minute |
| Trade history       | 100   | 1 minute |