Get masterchain block signatures

Returns validator signatures for a specific masterchain block. Each signature proves that a validator approved this block. Use this for building cryptographic proofs or verifying block authenticity in trustless applications.

GET /api/v2/getMasterchainBlockSignatures

Get masterchain block signatures

cURL

curl --request GET \
  --url https://toncenter.com/api/v2/getMasterchainBlockSignatures \
  --header 'X-API-Key: <api-key>'

200

{
  "ok": true,
  "result": {
    "@type": "blocks.blockSignatures",
    "id": {
      "@type": "ton.blockIdExt",
      "workchain": 123,
      "shard": "<string>",
      "seqno": 123,
      "root_hash": "<string>",
      "file_hash": "<string>"
    },
    "signatures": [
      {
        "@type": "blocks.signature",
        "node_id_short": "<string>",
        "signature": "<string>"
      }
    ]
  },
  "@extra": "<string>"
}

Authorizations

APIKeyHeaderAPIKeyQuery

X-API-Key · string · header · required

API key header of the form X-API-Key: <token>, where <token> is the API key. Requests without a key are limited to 1 RPS. Refer to the authentication guide for details.

Query Parameters

seqno · integer<int32> · required

Masterchain block sequence number (block height). Used to query state at a specific point in time. If omitted, returns the current state.

Response

200

application/json

Returns validator signatures for the specified masterchain block.

ok · boolean · default: true · required

Returns true if the request succeeded; otherwise false. See the error field for details.

result · object · required

Response data. Present only when ok is true.

Show child attributes

@extra · string

Optional request ID that can be passed in the request and received back in the response. Useful for matching async responses.