API v2 - ORMP

POST

https://api.msgport.xyz/v2/fee_with_options

The Msgport ORMP API facilitates message sending and delivery. Users can obtain the estimated cross-chain fee and necessary parameters required for sending cross-chain messages with Msgport.

Request

Body Params application/json

Examples

Responses

🟢200Success

application/json

Body

Request Example

Shell

JavaScript

Java

Swift

curl --location --request POST 'https://api.msgport.xyz/v2/fee_with_options' \
--header 'Content-Type: application/json' \
--data-raw '{
    "fromChainId": 701,
    "fromAddress": "0xB83DfEF3e748cc2cb89Da1016fB39dDF86743602",
    "toChainId": 11155111,
    "toAddress": "0xB5B87E611C742118B7e6d998458d08BB7EC54867",
    "message": "0x5b4ef819",
    "ormp": {
        "refundAddress": "0x6Bc9543094D17f52CF6b419FB692797E48d275d0"
    }
}'

Response Example

{
  "code": 0,
  "data": {
    "fee": "5339556000000000000000",
    "params": "0x000000000000000000000000000000000000000000000000000000000000c6120000000000000000000000009f33a4809aa708d7a399fedba514e0a0d15efa8500000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000",
    "gas": {
      "protocol": "0",
      "msgport": "42255",
      "total": "50706"
    }
  }
}

Modified at 2025-08-21 03:50:25

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