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API referenceSubnets

Subnet Hyperparameters History

Last updated

GET
/api/v1/subnets/{netuid}/hyperparameters/history

Fetch the append-only hyperparameter-change timeline for one subnet (#4309): each entry is a subnet_hyperparams snapshot recorded when any hyperparameter changed. Forward-only (no pre-feature history). Newest first; ?limit (<=1000) / ?offset, or ?cursor= for stable keyset paging. Pass ?format=csv to download the page as CSV.

Path Parameters

netuid*integer
Range0 <= value

Query Parameters

limit?integer
Range1 <= value <= 1000
offset?integer
Range0 <= value
cursor?string
format?string

Response format override. Use csv to download the route rows as text/csv; json keeps the default response envelope.

Value in

  • "json"
  • "csv"

Response Body

application/json

application/json

application/json

application/json

curl -X GET "https://example.com/api/v1/subnets/0/hyperparameters/history"
{  "data": {    "entries": [      {        "hyperparams_hash": "a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1",        "observed_at": "2026-06-01T00:00:00.000Z"      }    ],    "entry_count": 1,    "limit": 1,    "netuid": 7,    "next_cursor": "example",    "offset": 1,    "schema_version": 1  },  "meta": {    "artifact_path": "example",    "cache": "short",    "contract_version": "2026-06-29.1",    "generated_at": "2026-06-01T00:00:00.000Z",    "pagination": {      "collection": "example",      "cursor": 1,      "limit": 1,      "next_cursor": 1,      "order": "asc",      "returned": 1,      "sort": "example",      "total": 1    },    "published_at": "2026-06-01T00:00:00.000Z",    "source": "live-cron-prober",    "stale_contract": {      "built_under": "example",      "live": "example"    }  },  "ok": true,  "schema_version": 1}