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POST
/
v1
/
spl
/
initialize-mint
cURL
curl --request POST \
  --url https://payments.magicblock.app/v1/spl/initialize-mint \
  --header 'Content-Type: application/json' \
  --data '
{
  "payer": "3rXKwQ1kpjBd5tdcco32qsvqUh1BnZjcYnS5kYrP7AYE",
  "mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
  "validator": "MAS1Dt9qreoRMQ14YQuhg8UTZMMzDdKhmkZMECCzk57"
}
'
{
  "kind": "initializeMint",
  "version": "legacy",
  "transactionBase64": "AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAIDKmcfsS5XfSOLaLlaBHJry50iH2Ufk2TMz4STC2fHzIcFKkerg3q2DD3Yn8TISmGeKoxSLz+BiP7iQ4pYqXYXsgu8D8C7R8ovdMQRLpSrE8+jxjTl3BfqywPNGiPNfnh8eS+smowIxqKDcCjw5liNXQkkCbBSDCBDFwtrgCKqoQ0DAgEBBAECAwQCAQEEAgIDBAIBAQQDAgME",
  "sendTo": "base",
  "recentBlockhash": "9A4VhP8M8fQZxP4h7rB6mP6eM8w2pJkYh7QdZk7V4r2x",
  "lastValidBlockHeight": 284512337,
  "instructionCount": 4,
  "requiredSigners": [
    "3rXKwQ1kpjBd5tdcco32qsvqUh1BnZjcYnS5kYrP7AYE"
  ],
  "validator": "MAS1Dt9qreoRMQ14YQuhg8UTZMMzDdKhmkZMECCzk57",
  "transferQueue": "BuBHLbaPmYmgvMiZ8uZb96RjBtmWzJY52u7Di5urNf6M",
  "rentPda": "Bt9oNR5cCtnfuMmXgWELd6q5i974PdEMQDUE55nBC57L"
}

Body

application/json

Initialize mint request

​
payer
string
required
Example:

"3rXKwQ1kpjBd5tdcco32qsvqUh1BnZjcYnS5kYrP7AYE"

​
mint
string
required
Example:

"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"

​
cluster

Optional. Use mainnet for BASE_RPC_URL and EPHEMERAL_RPC_URL, devnet for BASE_DEVNET_RPC_URL and EPHEMERAL_DEVNET_RPC_URL, or provide a custom http(s) RPC URL to override the base RPC while keeping the configured ephemeral RPC.

Available options:
mainnet,
devnet
Example:

"mainnet"

​
validator
string

Optional. Defaults to the selected ephemeral RPC identity resolved via getIdentity.

Example:

"MAS1Dt9qreoRMQ14YQuhg8UTZMMzDdKhmkZMECCzk57"

Response

Unsigned serialized transaction

​
kind
enum<string>
required
​
version
enum<string>
required
Available options:
legacy
​
transactionBase64
string
required
​
sendTo
enum<string>
required
Available options:
base,
ephemeral
​
recentBlockhash
string
required
​
lastValidBlockHeight
integer
required
​
instructionCount
integer
required
Required range: x >= 0
​
requiredSigners
string[]
required
​
validator
string
required
Example:

"So11111111111111111111111111111111111111112"

​
transferQueue
string
required
Example:

"So11111111111111111111111111111111111111112"

​
rentPda
string
required
Example:

"So11111111111111111111111111111111111111112"