# API02001: Invalid Credentials

## What This Means[​](#what-this-means "Directe link naar What This Means")

The username or password you entered is incorrect. The server rejected the login attempt because the credentials don't match any valid account.

## Common Causes[​](#common-causes "Directe link naar Common Causes")

* **Typo in username or password** — Check for caps lock or extra spaces
* **Wrong account** — Using credentials for a different site
* **Password recently changed** — The password was updated but the POS has the old one
* **Account deleted** — The user account no longer exists

## Server Error Mapping[​](#server-error-mapping "Directe link naar Server Error Mapping")

This error code is triggered when the server returns:

| Server Code                             | Source                    |
| --------------------------------------- | ------------------------- |
| `woocommerce_rest_authentication_error` | WooCommerce REST API      |
| `jwt_auth_failed`                       | JWT Authentication plugin |

## How to Fix[​](#how-to-fix "Directe link naar How to Fix")

### 1. Verify Your Credentials[​](#1-verify-your-credentials "Directe link naar 1. Verify Your Credentials")

* Double-check your username (usually email or WordPress username)
* Verify the password is correct
* Try logging into WordPress admin directly to confirm

### 2. Reset Your Password[​](#2-reset-your-password "Directe link naar 2. Reset Your Password")

If you've forgotten your password:

1. Go to your WordPress login page
2. Click "Lost your password?"
3. Enter your email to receive a reset link
4. Update your password
5. Log into the POS with the new password

### 3. Check the User Account[​](#3-check-the-user-account "Directe link naar 3. Check the User Account")

In WordPress Admin:

* Go to Users → All Users
* Verify the account exists
* Check that it has appropriate POS access permissions

### 4. Clear Saved Credentials[​](#4-clear-saved-credentials "Directe link naar 4. Clear Saved Credentials")

In the POS:

* Log out completely
* Clear any saved/cached login information
* Re-enter credentials fresh

## Related Errors[​](#related-errors "Directe link naar Related Errors")

* [API02004](/nl/error-codes/API02004.md) — User Not Authorized
* [API02010](/nl/error-codes/API02010.md) — Auth Required