Documentation / API reference / Chain

Get Chain Calls

Reference

Last reviewed 2026-09-18

GET

https://api.taostats.io/api/call/v1API key required

This endpoint lists all extrinsics - as some can be nested inside batch/proxy calls.

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 (15)

origin_address string

SS58 or hex format

network string

block_number integer (int32)

The exact block number

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)

success boolean

was the chain call successful? or did it fail :D

full_name string

Full name of the extrinsic Ex SubtensorModule.add_stake

id string

Call Id

extrinsic_id string

Extrinsic ID

parent_id string

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/call/v1?origin_address=5GH2aUTMRUh1RprCgH4x3tRyCaKeUi5BfmYCfs1NARA8R54n&limit=50&order=block_number_desc

bash

curl -H "Authorization: <YOUR_API_KEY>" \
  "https://api.taostats.io/api/call/v1?origin_address=5GH2aUTMRUh1RprCgH4x3tRyCaKeUi5BfmYCfs1NARA8R54n&limit=50&order=block_number_desc"

const response = await fetch('https://api.taostats.io/api/call/v1?origin_address=5GH2aUTMRUh1RprCgH4x3tRyCaKeUi5BfmYCfs1NARA8R54n&limit=50&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/call/v1?origin_address=5GH2aUTMRUh1RprCgH4x3tRyCaKeUi5BfmYCfs1NARA8R54n&limit=50&order=block_number_desc",
    headers={"Authorization": "<YOUR_API_KEY>"},
)
data = response.json()

Parameters

Name	In	Type	Description
`origin_address`	query	`string`	SS58 or hex format
`network`	query	`string`	One of `finney`, `nakamoto`, `kusanagi`, `testnet`.
`block_number`	query	`integer (int32)`	The exact block number
`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)
`success`	query	`boolean`	was the chain call successful? or did it fail :D
`full_name`	query	`string`	Full name of the extrinsic Ex `SubtensorModule.add_stake`
`id`	query	`string`	Call Id
`extrinsic_id`	query	`string`	Extrinsic ID
`parent_id`	query	`string`
`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` — Calls retrieved successfully

Field	Type	Required
`data`	`array`	Yes
`data[].args`	`object, nullable`
`data[].block_number`	`integer (int32)`	Yes
`data[].error`	`object, nullable`
`data[].extrinsic_id`	`string`	Yes
`data[].extrinsic_index`	`integer (int32), nullable`
`data[].full_name`	`string`	Yes
`data[].id`	`string`	Yes
`data[].name`	`string`	Yes
`data[].origin`	`object, nullable`
`data[].origin_address`	`string, nullable`
`data[].pallet`	`string`	Yes
`data[].parent_id`	`string, nullable`
`data[].success`	`boolean`	Yes
`data[].timestamp`	`string (date-time)`	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": [
    {
      "args": {
        "amountStaked": "1947540329",
        "hotkey": "0x82ec08360739d46b83227ec9891ac7c85ed57e1e9f6d1c36a3837c495fe90867",
        "netuid": 0
      },
      "block_number": 5373737,
      "error": null,
      "extrinsic_id": "5373737-0014",
      "extrinsic_index": 14,
      "full_name": "SubtensorModule.add_stake",
      "id": "5373737-0014-1",
      "name": "add_stake",
      "origin": {
        "__kind": "system",
        "value": {
          "__kind": "Signed",
          "value": "0x68b4d0070f6bd5e3bb0ff9942f64af9fce5c37737b20022188d73560e98c236a"
        }
      },
      "origin_address": "0x68b4d0070f6bd5e3bb0ff9942f64af9fce5c37737b20022188d73560e98c236a",
      "pallet": "SubtensorModule",
      "parent_id": "5373737-0014",
      "success": true,
      "timestamp": "2025-04-17T21:01:00.001Z"
    },
    {
      "args": {
        "amountStaked": "3363842760",
        "hotkey": "0x2c36c8b88903c8507aa3a9a6dcfc016caf5cfd3d8bf755b97e63f8f8b7c56836",
        "netuid": 68
      },
      "block_number": 5373737,
      "error": null,
      "extrinsic_id": "5373737-0024",
      "extrinsic_index": 24,
      "full_name": "SubtensorModule.add_stake",
      "id": "5373737-0024-0",
      "name": "add_stake",
      "origin": {
        "__kind": "system",
        "value": {
          "__kind": "Signed",
          "value": "0x229b1b5ca004dee89d57300d194913635011f5dd90f440806f0f85171e5f8876"
        }
      },
      "origin_address": "0x229b1b5ca004dee89d57300d194913635011f5dd90f440806f0f85171e5f8876",
      "pallet": "SubtensorModule",
      "parent_id": "5373737-0024",
      "success": true,
      "timestamp": "2025-04-17T21:01:00.001Z"
    }
  ],
  "pagination": {
    "current_page": 1,
    "next_page": 2,
    "per_page": 50,
    "prev_page": null,
    "total_items": 128122466,
    "total_pages": 2562450
  }
}

Response details

text

{
      "id": "5453552-0012",
      "extrinsic_id": "5453552-0012",
      "parent_id": null,
      "extrinsic_index": 12,
      "success": false,
      "error": {
        "extra_info": "The caller is requesting registering a neuron which already exists in the active set.",
        "name": "HotKeyAlreadyRegisteredInSubNet",
        "pallet": "subtensorModule"
      },
      "pallet": "SubtensorModule",
      "name": "burned_register",
      "full_name": "SubtensorModule.burned_register",
      "args": {
        "hotkey": "0x8878901c0d28e7f5950e1ca56bdeab7a6edea199a83d75dc15b3945aef4e5f26",
        "netuid": 33
      },
      "origin": {
        "__kind": "system",
        "value": {
          "__kind": "Signed",
          "value": "0xca35b13b673721f9f7d6720602b5f8630fa0fed267177f1d0bf5b58f1681fd2d"
        }
      },
      "origin_address": "0xca35b13b673721f9f7d6720602b5f8630fa0fed267177f1d0bf5b58f1681fd2d",
      "timestamp": "2025-04-28T23:04:00Z",
      "block_number": 5453552
    },

Other responses

Status	Meaning
`400`	Bad request
`404`	Calls 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 / Chain

Get Chain Calls

Reference

Last reviewed 2026-09-18

GET

https://api.taostats.io/api/call/v1API key required

This endpoint lists all extrinsics - as some can be nested inside batch/proxy calls.

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 (15)

origin_address string

SS58 or hex format

network string

block_number integer (int32)

The exact block number

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)

success boolean

was the chain call successful? or did it fail :D

full_name string

Full name of the extrinsic Ex SubtensorModule.add_stake

id string

Call Id

extrinsic_id string

Extrinsic ID

parent_id string

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/call/v1?origin_address=5GH2aUTMRUh1RprCgH4x3tRyCaKeUi5BfmYCfs1NARA8R54n&limit=50&order=block_number_desc

bash

curl -H "Authorization: <YOUR_API_KEY>" \
  "https://api.taostats.io/api/call/v1?origin_address=5GH2aUTMRUh1RprCgH4x3tRyCaKeUi5BfmYCfs1NARA8R54n&limit=50&order=block_number_desc"

const response = await fetch('https://api.taostats.io/api/call/v1?origin_address=5GH2aUTMRUh1RprCgH4x3tRyCaKeUi5BfmYCfs1NARA8R54n&limit=50&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/call/v1?origin_address=5GH2aUTMRUh1RprCgH4x3tRyCaKeUi5BfmYCfs1NARA8R54n&limit=50&order=block_number_desc",
    headers={"Authorization": "<YOUR_API_KEY>"},
)
data = response.json()

Parameters

Name	In	Type	Description
`origin_address`	query	`string`	SS58 or hex format
`network`	query	`string`	One of `finney`, `nakamoto`, `kusanagi`, `testnet`.
`block_number`	query	`integer (int32)`	The exact block number
`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)
`success`	query	`boolean`	was the chain call successful? or did it fail :D
`full_name`	query	`string`	Full name of the extrinsic Ex `SubtensorModule.add_stake`
`id`	query	`string`	Call Id
`extrinsic_id`	query	`string`	Extrinsic ID
`parent_id`	query	`string`
`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` — Calls retrieved successfully

Field	Type	Required
`data`	`array`	Yes
`data[].args`	`object, nullable`
`data[].block_number`	`integer (int32)`	Yes
`data[].error`	`object, nullable`
`data[].extrinsic_id`	`string`	Yes
`data[].extrinsic_index`	`integer (int32), nullable`
`data[].full_name`	`string`	Yes
`data[].id`	`string`	Yes
`data[].name`	`string`	Yes
`data[].origin`	`object, nullable`
`data[].origin_address`	`string, nullable`
`data[].pallet`	`string`	Yes
`data[].parent_id`	`string, nullable`
`data[].success`	`boolean`	Yes
`data[].timestamp`	`string (date-time)`	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": [
    {
      "args": {
        "amountStaked": "1947540329",
        "hotkey": "0x82ec08360739d46b83227ec9891ac7c85ed57e1e9f6d1c36a3837c495fe90867",
        "netuid": 0
      },
      "block_number": 5373737,
      "error": null,
      "extrinsic_id": "5373737-0014",
      "extrinsic_index": 14,
      "full_name": "SubtensorModule.add_stake",
      "id": "5373737-0014-1",
      "name": "add_stake",
      "origin": {
        "__kind": "system",
        "value": {
          "__kind": "Signed",
          "value": "0x68b4d0070f6bd5e3bb0ff9942f64af9fce5c37737b20022188d73560e98c236a"
        }
      },
      "origin_address": "0x68b4d0070f6bd5e3bb0ff9942f64af9fce5c37737b20022188d73560e98c236a",
      "pallet": "SubtensorModule",
      "parent_id": "5373737-0014",
      "success": true,
      "timestamp": "2025-04-17T21:01:00.001Z"
    },
    {
      "args": {
        "amountStaked": "3363842760",
        "hotkey": "0x2c36c8b88903c8507aa3a9a6dcfc016caf5cfd3d8bf755b97e63f8f8b7c56836",
        "netuid": 68
      },
      "block_number": 5373737,
      "error": null,
      "extrinsic_id": "5373737-0024",
      "extrinsic_index": 24,
      "full_name": "SubtensorModule.add_stake",
      "id": "5373737-0024-0",
      "name": "add_stake",
      "origin": {
        "__kind": "system",
        "value": {
          "__kind": "Signed",
          "value": "0x229b1b5ca004dee89d57300d194913635011f5dd90f440806f0f85171e5f8876"
        }
      },
      "origin_address": "0x229b1b5ca004dee89d57300d194913635011f5dd90f440806f0f85171e5f8876",
      "pallet": "SubtensorModule",
      "parent_id": "5373737-0024",
      "success": true,
      "timestamp": "2025-04-17T21:01:00.001Z"
    }
  ],
  "pagination": {
    "current_page": 1,
    "next_page": 2,
    "per_page": 50,
    "prev_page": null,
    "total_items": 128122466,
    "total_pages": 2562450
  }
}

Response details

text

{
      "id": "5453552-0012",
      "extrinsic_id": "5453552-0012",
      "parent_id": null,
      "extrinsic_index": 12,
      "success": false,
      "error": {
        "extra_info": "The caller is requesting registering a neuron which already exists in the active set.",
        "name": "HotKeyAlreadyRegisteredInSubNet",
        "pallet": "subtensorModule"
      },
      "pallet": "SubtensorModule",
      "name": "burned_register",
      "full_name": "SubtensorModule.burned_register",
      "args": {
        "hotkey": "0x8878901c0d28e7f5950e1ca56bdeab7a6edea199a83d75dc15b3945aef4e5f26",
        "netuid": 33
      },
      "origin": {
        "__kind": "system",
        "value": {
          "__kind": "Signed",
          "value": "0xca35b13b673721f9f7d6720602b5f8630fa0fed267177f1d0bf5b58f1681fd2d"
        }
      },
      "origin_address": "0xca35b13b673721f9f7d6720602b5f8630fa0fed267177f1d0bf5b58f1681fd2d",
      "timestamp": "2025-04-28T23:04:00Z",
      "block_number": 5453552
    },

Other responses

Status	Meaning
`400`	Bad request
`404`	Calls 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 — Calls retrieved successfully

Other responses

Was this page helpful?

Try it

Request

Parameters

Responses

200 — Calls retrieved successfully

Other responses

Was this page helpful?

`200` — Calls retrieved successfully

`200` — Calls retrieved successfully