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v53

latestOpenAPI 3.1.1BSD 3-Clause Licenseraw.githubusercontent.com2026-08-013157111.1 KB

(Unstable) Get the proofs of a Cardano transaction list from Cardano Blocks and Transactions snapshots

Returns the transaction hashes and the corresponding proofs from the latest Cardano Blocks and Transactions signed entity. Using this endpoint require Aggregator's capabilities to include CardanoBlocksTransactions in the signed_entity_types

get/proof/v2/cardano-transaction

Query parameters

transaction_hashesstring[] required

Hashes of the Cardano transactions to retrieve proofs for

[
  "6dbb104ed68481ef829a26a20142916d17985e01774d72d72c2f"
]

Response

Cardano transaction proofs found

certificate_hashstring bytes required

Hash of the certificate that validate the merkle root of this proof

non_certified_transactionsstring[] required
latest_block_numberinteger required

Last block number

security_parameterinteger required

The number of blocks from the tip of the chain at certification time

Example response

{
  "certificate_hash": "7905e83ab5d7bc082c1bbc3033bfd19c539078830d19080d1f241c70aa532572",
  "certified_transactions": {
    "items": [
      {
        "transaction_hash": "5d0d1272e6e70736a1ea2cae34015876367ee64517f6328364f6b73930966732",
        "block_hash": "6dbb104ed68481ef829a26a20142916d17985e01774d72d72c2f6a20142916d0",
        "block_number": 123456789,
        "slot_number": 987654321
      }
    ],
    "proof": "5b73136372c38302c37342c3136362c313535b5b323136362c313535b5b3232352c3230332c3235352c313030262c38322c39382c32c39332c3138342c313532352c3230332c3235352c313030262c33136362c313535b5b3232352c3230332c3235352c313030262c38322c39382c32c39332c3138342c31358322c39382c32c39332c3138342c3135362c3136362c32312c3131312c3232312c36332c3137372c3232332c3232332c31392c3537"
  },
  "non_certified_transactions": [
    "732d0d1272e6e70736367ee6f6328364f6b739309666a1ea2cae340158745170"
  ],
  "latest_block_number": 7060000,
  "security_parameter": 15
}