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Block digests

Provides a summarized version of block information, including only the block ID, height, and timestamp, each time a new block appears on the blockchain.

Example Request​

Started from latest block:


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{
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"subscription_id": "some-id",
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"action": "subscribe",
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"topic": "block_digests",
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"arguments": {
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"block_status": "sealed"
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}
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}

Started from block height 106192109:


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{
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"subscription_id": "some-id",
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"action": "subscribe",
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"topic": "block_digests",
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"arguments": {
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"block_status": "sealed",
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"start_block_height": "106192109"
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}
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}

Started from block id 37193c008576c5f9e3fb9738d4cc53c9ca021ca593e437eb79107c13ec5a1758:


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{
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"subscription_id": "some-id",
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"action": "subscribe",
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"topic": "block_digests",
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"arguments": {
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"block_status": "sealed",
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"start_block_id": "37193c008576c5f9e3fb9738d4cc53c9ca021ca593e437eb79107c13ec5a1758"
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}
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}

Request Arguments​

NameTypeRequiredDescription
block_statusSTRINGYESThe status of blocks to subscribe to. Supported values are: sealed, finalized.
start_block_idSTRINGNOThe ID of the block from which the subscription starts. If this argument is set, start_block_height MUST be empty.
start_block_heightSTRINGNOThe height of the block from which the subscription starts. If this argument is set, start_block_id MUST be empty.

If neither start_block_id nor start_block_height is set, the subscription will start from the latest block based on its status.

Example Response​


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{
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"subscription_id": "some-id",
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"topic": "block_digests",
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"payload": {
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"block_id": "311ca4b8530fad041356ace3ba27cd6ca8bed53d166b4cefdde4c3ae414940d5",
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"height": "106190012",
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"timestamp": "2025-03-11T11:08:58.504803374Z"
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}
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}

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