This API allows developers to sign a batch of transactions in a single call. This is useful if you want to sign multiple transactions in a single call e.g. approve a token, mint an NFT, and transfer the NFT on blockchains likeSolana where the transaction size is limited.

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This API is only supported for the Solana apps at the moment.

Sign Solana Transaction

To sign a Solana transaction, send the serialized transaction message in a transaction object. Here's what the request and response look like:

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Solana versioned transactions are supported

{
  "transactions": [
    {
      "transactionObject": {
        // Serialized transaction message in hex format.
        // You can get this by calling `transaction.serializeMessage().toString("hex")`
        // For versioned transaction, convert `transaction.message.serialize()` to a `0x` prefixed hex string
        "serializedTransactionMessage": "0x010001034cb5abf6ad79fbf5abbccafcc269d85cd2651ed4b885b5869f241aedf0a5ba2900000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000301020200010c02000000e803000000000000"
      },
      "reason": "Sign transaction 1 reason"
    },
    {
      "transactionObject": {
        "serializedTransactionMessage": "0x8001000103ec6d8edfd14f19dc0e0d4257d742391ebbc76f888f07aec984c23c1fd21f742cc3cbfb66b5dc0f433e849fe091cd3cbab561465917ab90f90079c3446d8a94bb0000000000000000000000000000000000000000000000000000000000000000aa8b81c393009772ffdeb5826b9f8c8352775991961268503401dfa5ecfdafce01020200010c0200000000e1f5050000000000"
      },
      "reason": "Sign transaction 2 reason"
    }
  ],
  "reason": "Sign multiple transactions reason"
}

{
  "status": "SUCCESS",
  // Signatures array with each signature in the hex format.
  "signatures": [
    {
      "signature": "0x023d9a5700b77971b8de539936143e0d82808809b856cc9ab9bcc41a02a3794ec516a44db6ed666f3e4f7549ae91939062ce076a9ef419febc21c41eebb98f0a"
    },
    {
      "signature": "0xee1af2c9bd70596a2bd41727126de50de3e834f29a5ef4afae1b9c4b7522779a071408faa667529260fb3d26ec312f81647cc5996f0562d98ec3757ea431c50a"
    }
  ]
}

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Api Error Status
You can find error status returned by the api here.

This API is only supported for the Solana apps at the moment.

Sign Solana Transaction

Solana versioned transactions are supported

Api Error Status

This API is only supported for the `Solana` apps at the moment.