API referenceExtrinsics
Extrinsic Detail
Last updated
Fetch per-extrinsic detail by 0x extrinsic_hash OR the composite <block_number>-<extrinsic_index> id (the guaranteed-present identifier, since the hash is best-effort/nullable). Computed live from the first-party extrinsics D1 tier (#1345/#1848); 200 with extrinsic:null when cold/unknown/malformed.
Path Parameters
hash*string
Response Body
application/json
application/json
application/json
application/json
application/json
curl -X GET "https://example.com/api/v1/extrinsics/string"{ "data": { "events": [ { "block_number": 5000000, "event_kind": "example" } ], "extrinsic": { "block_number": 5000000, "call_args": {}, "call_function": "example", "call_module": "example", "extrinsic_hash": "a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1", "extrinsic_index": 1, "fee_tao": 0.5, "observed_at": "2026-06-01T00:00:00.000Z", "signer": "example", "success": false, "tip_tao": 0.5 }, "ref": "example", "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}