API referenceBlocks
Block Detail
Last updated
Fetch per-block detail by numeric block_number or 0x block_hash. Computed live from the first-party blocks D1 tier (#1345); 200 with block:null when cold/unknown.
Path Parameters
ref*string
Response Body
application/json
application/json
application/json
application/json
application/json
curl -X GET "https://example.com/api/v1/blocks/string"{ "data": { "block": { "author": "example", "block_hash": "a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1", "block_number": 5000000, "event_count": 1, "extrinsic_count": 1, "observed_at": "2026-06-01T00:00:00.000Z", "parent_hash": "a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1a3f1", "spec_version": 1 }, "next_block_number": 5000000, "prev_block_number": 5000000, "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}Empty
{ "data": null, "error": { "code": "string", "message": "string" }, "meta": { "artifact_path": "string", "cache": "short", "contract_version": "string", "generated_at": "string", "pagination": { "collection": "string", "cursor": 0, "limit": 0, "next_cursor": 0, "order": "asc", "returned": 0, "sort": "string", "total": 0 }, "published_at": "2019-08-24T14:15:22Z", "source": "string", "stale_contract": { "built_under": "string", "live": "string" } }, "ok": false, "schema_version": 1}{ "data": null, "error": { "code": "string", "message": "string" }, "meta": { "artifact_path": "string", "cache": "short", "contract_version": "string", "generated_at": "string", "pagination": { "collection": "string", "cursor": 0, "limit": 0, "next_cursor": 0, "order": "asc", "returned": 0, "sort": "string", "total": 0 }, "published_at": "2019-08-24T14:15:22Z", "source": "string", "stale_contract": { "built_under": "string", "live": "string" } }, "ok": false, "schema_version": 1}{ "data": null, "error": { "code": "string", "message": "string" }, "meta": { "artifact_path": "string", "cache": "short", "contract_version": "string", "generated_at": "string", "pagination": { "collection": "string", "cursor": 0, "limit": 0, "next_cursor": 0, "order": "asc", "returned": 0, "sort": "string", "total": 0 }, "published_at": "2019-08-24T14:15:22Z", "source": "string", "stale_contract": { "built_under": "string", "live": "string" } }, "ok": false, "schema_version": 1}{ "data": null, "error": { "code": "string", "message": "string" }, "meta": { "artifact_path": "string", "cache": "short", "contract_version": "string", "generated_at": "string", "pagination": { "collection": "string", "cursor": 0, "limit": 0, "next_cursor": 0, "order": "asc", "returned": 0, "sort": "string", "total": 0 }, "published_at": "2019-08-24T14:15:22Z", "source": "string", "stale_contract": { "built_under": "string", "live": "string" } }, "ok": false, "schema_version": 1}