0x Tracker uses conventional HTTP response codes to indicate the success or failure of an API request. In general: Codes in the 2xx range indicate success. Codes in the 4xx range indicate an error that failed given the information provided (e.g., a required parameter was omitted). Codes in the 5xx range indicate an error with 0x Tracker's servers.
| Code | Description |
|---|---|
| 200 - OK | Everything worked as expected. |
| 400 - Bad Request | The request format was invalid (e.g. a missing parameter). |
| 404 - Not Found | The requested endpoint or resource does not exist. |
| 429 - Too Many Requests | The rate limits for the caller's IP address have been exceeded. |
| 500 - Server Error | Something unexpected went wrong. |