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

# Status codes and errors

> HTTP statuses and machine-readable error codes for Accounts endpoints.

## Typical status codes

* `200` success
* `400` invalid request body/query
* `401` missing/invalid auth or signature
* `404` account or route not found
* `405` method not allowed

## Common machine-readable error codes

* `EXTERNAL_IDS_REQUIRED`
* `EXTERNAL_IDS_LIMIT_EXCEEDED`
* `INVALID_REQUEST_BODY`
* `ACCOUNTS_REQUIRED`
* `ACCOUNTS_LIMIT_EXCEEDED`
* `INVALID_ACCOUNT`
* `INVALID_FIELD_VALUE`
* `MISSING_REQUIRED_FIELD`
* `DUPLICATE_EXTERNAL_ID_IN_REQUEST`
* `ACCOUNT_UPSERT_FAILED`
* `NO_VALID_UPDATABLE_FIELDS`
* `INVALID_JSON_BODY`
* `MISSING_AUTH_HEADER`
* `MISSING_AUTH_HEADERS`
* `INVALID_API_KEY`
* `REQUEST_TIMESTAMP_OUTSIDE_WINDOW`
* `INVALID_REQUEST_SIGNATURE`
* `ACCOUNT_NOT_FOUND`
* `METHOD_NOT_ALLOWED`
* `ROUTE_NOT_FOUND`
* `ACCOUNT_FETCH_FAILED`
* `ACCOUNTS_FETCH_FAILED`
* `ACCOUNT_UPDATE_FAILED`