> For the complete documentation index, see [llms.txt](https://prizm.gitbook.io/pzm/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://prizm.gitbook.io/pzm/prizm-api/hallmark-operations.md).

# Hallmark Operations

## Decode Hallmark

Decode a node hallmark.

**Request:**

* requestType is decodeHallmark
* hallmark is the hallmark value

**Response:**

* valid (B) is true if host is less than 100 characters, weight > 0 and the embedded signature is verified
* weight (N) is the weight assigned to the hallmark
* host (S) is the IP address or domain name associated with the hallmark
* account (S) is the account number associated with the hallmark
* accountRS (S) is the Reed-Solomon address of the account
* date (S) is the date the hallmark was created, in YYYY-MM-DD format
* requestProcessingTime (N) is the API request processing time (in millisec)

**Example:** Refer to [Decode Hallmark](/pzm/prizm-api/prizm-api-examples.md#decode-hallmark) example.

## Mark Host

Generates a node hallmark. POST only.

**Request:**

* requestType is markHost
* secretPhrase is the secret passphrase for the account that will be hallmarked on the node
* host is the IP address or domain name of the node
* weight is the weight to assign to the node
* date is the current date in YYYY-MM-DD format

**Note:** Refer to [Create Hallmark](https://nxtwiki.org/wiki/How-To:CreateHallmark) for details.

**Response:**

* hallmark (S) is the hallmark hex string
* requestProcessingTime (N) is the API request processing time (in millisec)

**Note:** Refer to [Create Hallmark](https://nxtwiki.org/wiki/How-To:CreateHallmark) for instructions for applying the hallmark to a public node.

**Example:** Refer to [Mark Host](/pzm/prizm-api/prizm-api-examples.md#mark-host) example.

## **Generate Hallmark**

Refer to [Mark Host](/pzm/prizm-api/prizm-api-examples.md#mark-host).