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Using API for multisend

Postman collection with all endpoints - Using_API_for_multisend.postman_collection.zip

Estimated contract system fee​

post
https://api.cpay.world
/api/public/multisend/estimateSystemFee
Endpoint POST /api/public/multisend/estimateSystemFee

Parameters

Body

  • currencyToken

    *

    string

  • multisendWallets:[ address:string,amount:string ]

    *

Responses

  • 200:OK
    {
       status: "string",
        data: {
          estimationId: "string",
          countTxs: "number",
          systemFee: "string",
          minerFee: "string",
          totalAmount: "string",
          allowance: "string",
          currencyFee: "string",
          needApprove: "Boolean",
          multisendWallets: [
            string
          ]
      }
    }
  • 200:OK

    Example

    {
        status: "success",
        data: {
            estimationId: "8bb50989-7c87-4652-b4e5-8f3ead00b132",
            countTxs: 1,
            systemFee: "0.0038",
            totalAmount: "1",
            currencyFee: "ETH",
            minerFee: "0",
            needApprove: true,
            allowance: "0",
            multisendWallets: [
              {
                address: "0xE5A6F0163a5fc5E0ecB85Ef5Ec066E1133ac79f0",
                amount: "0.5"
              },
              {
                address: "0xE5A6F0163a5fc5E0ecB85Ef5Ec066E1133ac79f0",
                amount: "0.5"
              }
            ]
        }
    }

Approve contract​

post
https://api.cpay.world
/api/public/multisend/approve
Endpoint POST /api/public/multisend/approve

Parameters

Headers

  • Idempotency-Key

    string

    This means that if the same request is sent multiple times with the same unique Idempotency-Key header, it won’t create duplicate transactions. This is especially useful in cases where a connection drops or a request is retried — only one transaction will be executed.

Body

  • estimationId

    *

    string

  • password

    string

  • sign

    string

    base64 format

Responses

  • 200:OK
    {
       status: "string",
        data: {
          estimationId: "string",
          countTxs: "number",
          systemFee: "string",
          minerFee: "string",
          totalAmount: "string",
          allowance: "string",
          currencyFee: "string",
          needApprove: "Boolean",
          multisendWallets: [
            string
          ]
      }
    }
  • 200:OK

    Example

    {
        status: "success",
        data: {
            estimationId: "8bb50989-7c87-4652-b4e5-8f3ead00b132",
            countTxs: 1,
            systemFee: "0.0038",
            minerFee: "0",
            totalAmount: "1",
            currencyFee: "ETH",
            needApprove: false,
            allowance: "1",
            multisendWallets: [
              {
                address: "0xE5A6F0163a5fc5E0ecB85Ef5Ec066E1133ac79f0",
                amount: "0.5"
              },
              {
                address: "0xE5A6F0163a5fc5E0ecB85Ef5Ec066E1133ac79f0",
                amount: "0.5"
              }
            ]
        }
    }

Estimated contract miner fee​

post
https://api.cpay.world
/api/public/multisend/estimateMinerFee
Endpoint POST /api/public/multisend/estimateMinerFee

Parameters

Body

  • estimationId

    *

    string

  • password

    string

  • sign

    string

    base64 format

Responses

  • 200:OK
    {
       status: "string",
        data: {
          estimationId: "string",
          countTxs: "number",
          systemFee: "string",
          minerFee: "string",
          totalAmount: "string",
          allowance: "string",
          currencyFee: "string",
          needApprove: "Boolean",
          multisendWallets: [
            string
          ]
      }
    }
  • 200:OK

    Example

    {
        status: "success",
        data: {
            estimationId: "8bb50989-7c87-4652-b4e5-8f3ead00b132",
            countTxs: 1,
            systemFee: "0.0038",
            minerFee: "0.00020803299",
            totalAmount: "1",
            currencyFee: "ETH",
            needApprove: false,
            allowance: "1",
            multisendWallets: [
              {
                address: "0xE5A6F0163a5fc5E0ecB85Ef5Ec066E1133ac79f0",
                amount: "0.5"
              },
              {
                address: "0xE5A6F0163a5fc5E0ecB85Ef5Ec066E1133ac79f0",
                amount: "0.5"
              }
            ]
        }
    }

Multisend​

post
https://api.cpay.world
/api/public/multisend
Endpoint POST /api/public/multisend

Parameters

Headers

  • Idempotency-Key

    string

    This means that if the same request is sent multiple times with the same unique Idempotency-Key header, it won’t create duplicate transactions. This is especially useful in cases where a connection drops or a request is retried — only one transaction will be executed.

Body

  • estimationId

    *

    string

  • password

    string

  • sign

    string

    base64 format

Responses

  • 200:OK
    {
       status: "string",
       data: {
        ids: [
          "string"
          ]
        }
    }
  • 200:OK

    Example

    {
        status: "success",
        data: {
          ids: [
                "63b59ec69139ae0e927fc8cb"
          ]
        }
    }

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