Documentation / API reference / Validator

Get Historical Validator Weights

Reference

Last reviewed 2026-09-18

GET

https://api.taostats.io/api/validator/weights/history/v2API key required

Returns historical validator weight vectors by hotkey and subnet in the v2 format. The v2 format identifies weighted neurons by both UID and hotkey.

Try it

API key

Sent only to api.taostats.io, straight from your browser. It stays in this page’s memory unless you choose to remember it for this tab.

Remember for this tab

Get an API key

Load an example

Parameters

Optional parameters (11)

hotkey string

SS58 or hex format

netuid integer (int32)

Subnet Id

uid integer (int32)

UID of neuron

block_number integer (int32)

Start of block range (inclusive)

block_start integer (int32)

Start of block range (inclusive)

block_end integer (int32)

End of block range (inclusive)

timestamp_start integer (int64)

Start of timestamp range in Unix timestamp (seconds since 1970-01-01) (inclusive)

timestamp_end integer (int64)

End of timestamp range in Unix timestamp (seconds since 1970-01-01) (inclusive)

page integer (int32)

The page number of the response.

limit integer (int32)

The number of responses. max is 200,

order string

Request

GET https://api.taostats.io/api/validator/weights/history/v2?hotkey=5GKH9FPPnWSUoeeTJp19wVtd84XqFW4pyK2ijV2GsFbhTrP1&netuid=19&limit=100&order=block_number_desc

bash

curl -H "Authorization: <YOUR_API_KEY>" \
  "https://api.taostats.io/api/validator/weights/history/v2?hotkey=5GKH9FPPnWSUoeeTJp19wVtd84XqFW4pyK2ijV2GsFbhTrP1&netuid=19&limit=100&order=block_number_desc"

const response = await fetch('https://api.taostats.io/api/validator/weights/history/v2?hotkey=5GKH9FPPnWSUoeeTJp19wVtd84XqFW4pyK2ijV2GsFbhTrP1&netuid=19&limit=100&order=block_number_desc', {
  headers: {
    Authorization: '<YOUR_API_KEY>',
  },
});
const data = await response.json();

python

import requests

response = requests.get(
    "https://api.taostats.io/api/validator/weights/history/v2?hotkey=5GKH9FPPnWSUoeeTJp19wVtd84XqFW4pyK2ijV2GsFbhTrP1&netuid=19&limit=100&order=block_number_desc",
    headers={"Authorization": "<YOUR_API_KEY>"},
)
data = response.json()

Parameters

Name	In	Type	Description
`hotkey`	query	`string`	SS58 or hex format
`netuid`	query	`integer (int32)`	Subnet Id
`uid`	query	`integer (int32)`	UID of neuron
`block_number`	query	`integer (int32)`	Start of block range (inclusive)
`block_start`	query	`integer (int32)`	Start of block range (inclusive)
`block_end`	query	`integer (int32)`	End of block range (inclusive)
`timestamp_start`	query	`integer (int64)`	Start of timestamp range in Unix timestamp (seconds since 1970-01-01) (inclusive)
`timestamp_end`	query	`integer (int64)`	End of timestamp range in Unix timestamp (seconds since 1970-01-01) (inclusive)
`page`	query	`integer (int32)`	The page number of the response.
`limit`	query	`integer (int32)`	The number of responses. max is 200,
`order`	query	`string`	One of `block_number_asc`, `block_number_desc`, `timestamp_asc`, `timestamp_desc`.

Responses

`200` — Validator weights retrieved successfully

Field	Type	Required	Description
`data`	`array`	Yes
`data[].block_number`	`integer (int32)`	Yes
`data[].hotkey`	`object`	Yes
`data[].hotkey.hex`	`string`	Yes	The hex format of the hot key
`data[].hotkey.ss58`	`string`	Yes	The SS58 format of the hot key
`data[].netuid`	`integer (int32)`	Yes
`data[].timestamp`	`string (date-time)`	Yes
`data[].uid`	`integer (int32), nullable`
`data[].weights`	`array`	Yes
`data[].weights[].hotkey`	`object`	Yes
`data[].weights[].hotkey.hex`	`string`	Yes	The hex format of the hot key
`data[].weights[].hotkey.ss58`	`string`	Yes	The SS58 format of the hot key
`data[].weights[].uid`	`integer (int32)`	Yes
`data[].weights[].weight`	`string`	Yes
`pagination`	`object`	Yes
`pagination.current_page`	`integer (int32)`	Yes
`pagination.next_page`	`integer (int32), nullable`
`pagination.per_page`	`integer (int32)`	Yes
`pagination.prev_page`	`integer (int32), nullable`
`pagination.total_items`	`integer (int32)`	Yes
`pagination.total_pages`	`integer (int32)`	Yes

Example response

json

{
  "data": [
    {
      "block_number": 5457532,
      "hotkey": {
        "hex": "0x5063a3000daa02d892617cda479bc20bb8acf430a8cb167e653c5395b9d4f834",
        "ss58": "5Dt7HZ7Zpw4DppPxFM7Ke3Cm7sDAWhsZXmM5ZAmE7dSVJbcQ"
      },
      "netuid": 64,
      "timestamp": "2025-04-29T12:20:00.001Z",
      "uid": 1,
      "weights": [
        {
          "hotkey": {
            "hex": "0x3c51398936c1494a7c4e4459587c5cffd395e4db12d7df47c6d01c9a8cd51b4a",
            "ss58": "5DRnrn3Nj14r4ptXerpcvMYjFoLNk2Axt91a1uKLst5QbyaW"
          },
          "uid": 0,
          "weight": "0.00723277637903410391"
        },
        {
          "hotkey": {
            "hex": "0x5063a3000daa02d892617cda479bc20bb8acf430a8cb167e653c5395b9d4f834",
            "ss58": "5Dt7HZ7Zpw4DppPxFM7Ke3Cm7sDAWhsZXmM5ZAmE7dSVJbcQ"
          },
          "uid": 1,
          "weight": "0.0176699473563744564"
        }
      ]
    },
    {
      "block_number": 5457171,
      "hotkey": {
        "hex": "0x5063a3000daa02d892617cda479bc20bb8acf430a8cb167e653c5395b9d4f834",
        "ss58": "5Dt7HZ7Zpw4DppPxFM7Ke3Cm7sDAWhsZXmM5ZAmE7dSVJbcQ"
      },
      "netuid": 64,
      "timestamp": "2025-04-29T11:07:48Z",
      "uid": 1,
      "weights": [
        {
          "hotkey": {
            "hex": "0x3c51398936c1494a7c4e4459587c5cffd395e4db12d7df47c6d01c9a8cd51b4a",
            "ss58": "5DRnrn3Nj14r4ptXerpcvMYjFoLNk2Axt91a1uKLst5QbyaW"
          },
          "uid": 0,
          "weight": "0.00724803540093080034"
        },
        {
          "hotkey": {
            "hex": "0x5063a3000daa02d892617cda479bc20bb8acf430a8cb167e653c5395b9d4f834",
            "ss58": "5Dt7HZ7Zpw4DppPxFM7Ke3Cm7sDAWhsZXmM5ZAmE7dSVJbcQ"
          },
          "uid": 1,
          "weight": "0.01776150148775463493"
        }
      ]
    }
  ],
  "pagination": {
    "current_page": 1,
    "next_page": 2,
    "per_page": 50,
    "prev_page": null,
    "total_items": 599,
    "total_pages": 12
  }
}

Response details

text

   {
          "uid": 115,
          "hotkey": {
            "ss58": "5F6ixS6ksFg2js8Uw1d9zQLd2LdmjsUVYM8vXjEAcbJ6MmHM",
            "hex": "0x863ee45dbd8522eb8bcaba287b0fd86210b1ffe4ae76baabbba373a70d31b753"
          },
          "weight": "0.01101701380941481651"
        },

Other responses

Status	Meaning
`400`	Bad request
`404`	Validator weights not found
`500`	Internal server error

Every request needs an Authorization header holding your API key — see Getting started with the Taostats API.

Was this page helpful?

Documentation / API reference / Validator

Get Historical Validator Weights

Reference

Last reviewed 2026-09-18

GET

https://api.taostats.io/api/validator/weights/history/v2API key required

Returns historical validator weight vectors by hotkey and subnet in the v2 format. The v2 format identifies weighted neurons by both UID and hotkey.

Try it

API key

Sent only to api.taostats.io, straight from your browser. It stays in this page’s memory unless you choose to remember it for this tab.

Remember for this tab

Get an API key

Load an example

Parameters

Optional parameters (11)

hotkey string

SS58 or hex format

netuid integer (int32)

Subnet Id

uid integer (int32)

UID of neuron

block_number integer (int32)

Start of block range (inclusive)

block_start integer (int32)

Start of block range (inclusive)

block_end integer (int32)

End of block range (inclusive)

timestamp_start integer (int64)

Start of timestamp range in Unix timestamp (seconds since 1970-01-01) (inclusive)

timestamp_end integer (int64)

End of timestamp range in Unix timestamp (seconds since 1970-01-01) (inclusive)

page integer (int32)

The page number of the response.

limit integer (int32)

The number of responses. max is 200,

order string

Request

GET https://api.taostats.io/api/validator/weights/history/v2?hotkey=5GKH9FPPnWSUoeeTJp19wVtd84XqFW4pyK2ijV2GsFbhTrP1&netuid=19&limit=100&order=block_number_desc

bash

curl -H "Authorization: <YOUR_API_KEY>" \
  "https://api.taostats.io/api/validator/weights/history/v2?hotkey=5GKH9FPPnWSUoeeTJp19wVtd84XqFW4pyK2ijV2GsFbhTrP1&netuid=19&limit=100&order=block_number_desc"

const response = await fetch('https://api.taostats.io/api/validator/weights/history/v2?hotkey=5GKH9FPPnWSUoeeTJp19wVtd84XqFW4pyK2ijV2GsFbhTrP1&netuid=19&limit=100&order=block_number_desc', {
  headers: {
    Authorization: '<YOUR_API_KEY>',
  },
});
const data = await response.json();

python

import requests

response = requests.get(
    "https://api.taostats.io/api/validator/weights/history/v2?hotkey=5GKH9FPPnWSUoeeTJp19wVtd84XqFW4pyK2ijV2GsFbhTrP1&netuid=19&limit=100&order=block_number_desc",
    headers={"Authorization": "<YOUR_API_KEY>"},
)
data = response.json()

Parameters

Name	In	Type	Description
`hotkey`	query	`string`	SS58 or hex format
`netuid`	query	`integer (int32)`	Subnet Id
`uid`	query	`integer (int32)`	UID of neuron
`block_number`	query	`integer (int32)`	Start of block range (inclusive)
`block_start`	query	`integer (int32)`	Start of block range (inclusive)
`block_end`	query	`integer (int32)`	End of block range (inclusive)
`timestamp_start`	query	`integer (int64)`	Start of timestamp range in Unix timestamp (seconds since 1970-01-01) (inclusive)
`timestamp_end`	query	`integer (int64)`	End of timestamp range in Unix timestamp (seconds since 1970-01-01) (inclusive)
`page`	query	`integer (int32)`	The page number of the response.
`limit`	query	`integer (int32)`	The number of responses. max is 200,
`order`	query	`string`	One of `block_number_asc`, `block_number_desc`, `timestamp_asc`, `timestamp_desc`.

Responses

`200` — Validator weights retrieved successfully

Field	Type	Required	Description
`data`	`array`	Yes
`data[].block_number`	`integer (int32)`	Yes
`data[].hotkey`	`object`	Yes
`data[].hotkey.hex`	`string`	Yes	The hex format of the hot key
`data[].hotkey.ss58`	`string`	Yes	The SS58 format of the hot key
`data[].netuid`	`integer (int32)`	Yes
`data[].timestamp`	`string (date-time)`	Yes
`data[].uid`	`integer (int32), nullable`
`data[].weights`	`array`	Yes
`data[].weights[].hotkey`	`object`	Yes
`data[].weights[].hotkey.hex`	`string`	Yes	The hex format of the hot key
`data[].weights[].hotkey.ss58`	`string`	Yes	The SS58 format of the hot key
`data[].weights[].uid`	`integer (int32)`	Yes
`data[].weights[].weight`	`string`	Yes
`pagination`	`object`	Yes
`pagination.current_page`	`integer (int32)`	Yes
`pagination.next_page`	`integer (int32), nullable`
`pagination.per_page`	`integer (int32)`	Yes
`pagination.prev_page`	`integer (int32), nullable`
`pagination.total_items`	`integer (int32)`	Yes
`pagination.total_pages`	`integer (int32)`	Yes

Example response

json

{
  "data": [
    {
      "block_number": 5457532,
      "hotkey": {
        "hex": "0x5063a3000daa02d892617cda479bc20bb8acf430a8cb167e653c5395b9d4f834",
        "ss58": "5Dt7HZ7Zpw4DppPxFM7Ke3Cm7sDAWhsZXmM5ZAmE7dSVJbcQ"
      },
      "netuid": 64,
      "timestamp": "2025-04-29T12:20:00.001Z",
      "uid": 1,
      "weights": [
        {
          "hotkey": {
            "hex": "0x3c51398936c1494a7c4e4459587c5cffd395e4db12d7df47c6d01c9a8cd51b4a",
            "ss58": "5DRnrn3Nj14r4ptXerpcvMYjFoLNk2Axt91a1uKLst5QbyaW"
          },
          "uid": 0,
          "weight": "0.00723277637903410391"
        },
        {
          "hotkey": {
            "hex": "0x5063a3000daa02d892617cda479bc20bb8acf430a8cb167e653c5395b9d4f834",
            "ss58": "5Dt7HZ7Zpw4DppPxFM7Ke3Cm7sDAWhsZXmM5ZAmE7dSVJbcQ"
          },
          "uid": 1,
          "weight": "0.0176699473563744564"
        }
      ]
    },
    {
      "block_number": 5457171,
      "hotkey": {
        "hex": "0x5063a3000daa02d892617cda479bc20bb8acf430a8cb167e653c5395b9d4f834",
        "ss58": "5Dt7HZ7Zpw4DppPxFM7Ke3Cm7sDAWhsZXmM5ZAmE7dSVJbcQ"
      },
      "netuid": 64,
      "timestamp": "2025-04-29T11:07:48Z",
      "uid": 1,
      "weights": [
        {
          "hotkey": {
            "hex": "0x3c51398936c1494a7c4e4459587c5cffd395e4db12d7df47c6d01c9a8cd51b4a",
            "ss58": "5DRnrn3Nj14r4ptXerpcvMYjFoLNk2Axt91a1uKLst5QbyaW"
          },
          "uid": 0,
          "weight": "0.00724803540093080034"
        },
        {
          "hotkey": {
            "hex": "0x5063a3000daa02d892617cda479bc20bb8acf430a8cb167e653c5395b9d4f834",
            "ss58": "5Dt7HZ7Zpw4DppPxFM7Ke3Cm7sDAWhsZXmM5ZAmE7dSVJbcQ"
          },
          "uid": 1,
          "weight": "0.01776150148775463493"
        }
      ]
    }
  ],
  "pagination": {
    "current_page": 1,
    "next_page": 2,
    "per_page": 50,
    "prev_page": null,
    "total_items": 599,
    "total_pages": 12
  }
}

Response details

text

   {
          "uid": 115,
          "hotkey": {
            "ss58": "5F6ixS6ksFg2js8Uw1d9zQLd2LdmjsUVYM8vXjEAcbJ6MmHM",
            "hex": "0x863ee45dbd8522eb8bcaba287b0fd86210b1ffe4ae76baabbba373a70d31b753"
          },
          "weight": "0.01101701380941481651"
        },

Other responses

Status	Meaning
`400`	Bad request
`404`	Validator weights not found
`500`	Internal server error

Every request needs an Authorization header holding your API key — see Getting started with the Taostats API.

Try it

Request

Parameters

Responses

200 — Validator weights retrieved successfully

Other responses

Was this page helpful?

Try it

Request

Parameters

Responses

200 — Validator weights retrieved successfully

Other responses

Was this page helpful?

`200` — Validator weights retrieved successfully

`200` — Validator weights retrieved successfully