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

# Codes

Some API endpoints return exchanges as internal codes:

| Exchange | Code |
| -------- | ---- |
| NYSE     | 169  |
| AMEX     | 170  |
| CBOE     | 171  |
| NASDAQ   | 185  |