# Update Passphrase

**PUT /byron-wallets/{walletId}/passphrase**

<p align="right">status: <strong>stable</strong></p>



## Servers
- https://localhost:8090/v2: https://localhost:8090/v2 ()



## Parameters

#### Path parameters
- **walletId** (string(hex))
  


## Body parameters
Content-type: application/json

- **old_passphrase** (string)
  The current passphrase if present.
- **new_passphrase** (string)
  A master passphrase to lock and protect the wallet for sensitive operation (e.g. sending funds).

## Responses
### 415: Unsupported Media Type

#### Body Parameters: application/json (object)
- **message** (string)
  May occur when providing an invalid 'Content-Type' header.
- **code** (string)
  

### 406: Not Acceptable

#### Body Parameters: application/json (object)
- **message** (string)
  May occur when providing an invalid 'Accept' header.
- **code** (string)
  

### 404: Not Found

#### Body Parameters: application/json (object)
- **message** (string)
  May occur when a given walletId does not match with any known
wallets (because it has been deleted, or has never existed).

- **code** (string)
  
- **info** (object)
  

### 400: Bad Request

#### Body Parameters: application/json (object)
- **message** (string)
  May occur when a request is not well-formed; that is, it fails to parse
successfully. This could be the case when some required parameters
are missing or, when malformed values are provided.

- **code** (string)
  

### 403: Forbidden

#### Body Parameters: application/json (object)
- **message** (string)
  May occur when an action require a signing key but the wallet has only access to verification keys.
- **code** (string)
  

### 204: No Content


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