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

# Error codes

> Reference for API error responses and their meanings.

| **HTTP Code** | **Meaning**          | **Retry?** | **Action**                                                                    |
| :------------ | :------------------- | :--------- | :---------------------------------------------------------------------------- |
| `200`         | Success              | No         | Parse response                                                                |
| `400`         | Bad Request          | No         | Fix request parameters                                                        |
| `401`         | Unauthorized         | Once       | Re-authenticate, then retry                                                   |
| `403`         | Forbidden            | No         | Check API access level                                                        |
| `404`         | Not Found            | No         | Verify endpoint URL and resource ID                                           |
| `422`         | Unprocessable Entity | No         | Validate input data types, formats, and value limits, then correct and resend |
| `429`         | Rate Limited         | Yes        | Exponential backoff (start 1s, max 60s)                                       |
| `500`         | Server Error         | Yes        | Retry with backoff (max 3 retries)                                            |
| `502/503`     | Service Unavailable  | Yes        | Retry with backoff (max 5 retries)                                            |
