Transaction API sends transactions and gets their information.

Create Transaction

Create a transaction to be sent to the blockchain network. You can create transactions for sending native tokens or executing smart contracts.

Request URL

Live URL	https://bc-api.qpyou.cn/core/v1/tx
Sandbox URL	https://sandbox-bc-api.qpyou.cn/core/v1/tx
HTTP Method	POST
Content-Type	application/json

Header Parameters

Field Name	Description	Type	Required
x-network	Blockchain network	string	Y
Authorization	Authentication token for calling the API	string	Y

Request Body

Field Name	Description	Type	Required
from	The account address that will send the transaction to the blockchain.	string	Y
to	For smart contract transactions, such as a transaction calling a contract function: the smart contract address For transactions sending native tokens: the account address that will receive tokens	string	Y
amount	For smart contract transactions, such as a transaction calling a contract function: enter `0` For transactions sending native tokens: enter the amount of tokens to send	string	Y
data	For smart contract transactions, this is the contract function name and the contract function parameter information. Polygon: Web3js `encodeABI` can be used to generate `data` value XPLA: XPLAjs message creation can be used to generate `data` value	json	For smart contract transactions: Y For transactions sending native tokens: N
encoded	Whether the transaction returned should be encoded (`true`: Encoded Raw Transaction String, `false`: Decoded JSON result)	boolean	N

Responses

Field Name	Description	Type
code	API call result code, 0: Success	number
message	Result message	string
data	API response data	json
data.rawTx	Transaction data	string or json
data.hashedTx	The hashed `data.rawTx`. You receive this value only if the API header `x-network` is polygon and the Request Body `from` is a multi-signature wallet address.	string
data.requestId	A unique identifier for the API request	string

Request Sample


curl -X 'POST' \
  'https://sandbox-bc-api.qpyou.cn/core/v1/tx' \
  -H 'accept: application/json' \
  -H 'x-network: polygon' \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6ImNvbS5jb20yd...' \
  -d '{
  "from": "0x9428e6eF51FEb2201676deEc11B7E36F7c1F0765",
  "to": "0xFBd488D1b00604d3b05124d80E35FeA9A39C3296",
  "amount": "0.001",
  "data": "",
  "encoded": true
}'

curl -X 'POST' \

'https://sandbox-bc-api.qpyou.cn/core/v1/tx' \

-H 'accept: application/json' \

-H 'x-network: polygon' \

-H 'Content-Type: application/json' \

-H 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6ImNvbS5jb20yd...' \

-d '{

"from": "0x9428e6eF51FEb2201676deEc11B7E36F7c1F0765",

"to": "0xFBd488D1b00604d3b05124d80E35FeA9A39C3296",

"amount": "0.001",

"data": "",

"encoded": true

Response Sample


{
  "code": 0,
  "message": "success",
  "data": {
    "rawTx": "02f68301388182013484618b021e84618b0235827b0c94fbd488d1b00604d3b05124d80e35fea9a39c329687038d7ea4c6800080c0808080",
    "requestId": "93ff43f7-3e19-42e1-a7d0-bbff40be1361"
  }
}

{

"code": 0,

"message": "success",

"data": {

"rawTx": "02f68301388182013484618b021e84618b0235827b0c94fbd488d1b00604d3b05124d80e35fea9a39c329687038d7ea4c6800080c0808080",

"requestId": "93ff43f7-3e19-42e1-a7d0-bbff40be1361"

}

Get Transaction Information

Gets the transaction information using a transaction hash (txhash). Only the information of the transactions recorded on a blockchain can be returned.

Request URL

Live URL	https://bc-api.qpyou.cn/core/v1/tx/{txhash}
Sandbox URL	https://sandbox-bc-api.qpyou.cn/core/v1/tx/{txhash}
HTTP Method	GET
Content-Type	application/json

Path Parameters

Field Name	Description	Type	Required
txhash	the transaction hash	string	Y

Header Parameters

Field Name	Description	Type	Required
x-network	the blockchain networks {ploygon, xpla}	string	Y
Authorization	Authentication token required to call the API	string	Y

Responses

Field Name	Description	Type
code	api request result code, 0: success	number
message	the result message	String
data	API response data	json
data.txhash	the transaction hash	string
data.blockNumber	the block number of the block that contains the transaction	number
data.contractAddress	The contract address if the transaction involves deploying a contract	string
data.status	the transaction status (`success` after the transaction was successfully recorded on a block of a blockchain)	string
data.fee	the applied fee	json
data.data	the transaction data Polygon XPLA	json
data.logs	the transaction log	json

Request Sample

curl -X 'GET' \
  'https://sandbox-bc-api.qpyou.cn/core/v1/tx/0x5a0ca3a7eebbafa946da6ed0160930fc4f334887dbf11a9b38937ab8831fd125' \
  -H 'accept: application/json' \
  -H 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6ImNvbS5jb20yd...' \
  -H 'x-network: polygon'

curl -X 'GET' \

'https://sandbox-bc-api.qpyou.cn/core/v1/tx/0x5a0ca3a7eebbafa946da6ed0160930fc4f334887dbf11a9b38937ab8831fd125' \

-H 'accept: application/json' \

-H 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6ImNvbS5jb20yd...' \

-H 'x-network: polygon'

Response Sample

// Polygon Transaction
{
  "code": 0,
  "message": "success",
  "data": {
    "txhash": "0x5a0ca3a7eebbafa946da6ed0160930fc4f334887dbf11a9b38937ab8831fd125",
    "blockNumber": 33457511,
    "contractAddress": "0x4377C1bE43Db73561f1179e2637CFf0bbD617eFC",
    "status": "success",
    "fee": {
      "gas": 151232,
      ...
    },
    "data": {
      "from": "0x9428e6eF51FEb2201676deEc11B7E36F7c1F0765",
      ..

     },
    "logs": [
      {
        "transactionHash": "0x5a0ca3a7eebbafa946da6ed0160930fc4f334887dbf11a9b38937ab8831fd125",
        ....
      }
    ]
  }
}

// Xpla Transaction
{
  "code": 0,
  "message": "success",
  "data": {
    "txhash": "E21E0CC37CD1BCACADFDEBD4C7AF2F68257EA4591D670F4AA0A725B21422C29F",
    "blockNumber": 4818400,
    "contractAddress": "0x4377C1bE43Db73561f1179e2637CFf0bbD617eFC",
    "status": "success",
    "fee": {
      "gasUsed": 21000,
      ...
    },
    "data": {
      "memo": "",
      ...
    },
    "logs": [
      {
        "msg_index": 0,
        ...
      }
    ]
  }}

// Polygon Transaction

{

"code": 0,

"message": "success",

"data": {

"txhash": "0x5a0ca3a7eebbafa946da6ed0160930fc4f334887dbf11a9b38937ab8831fd125",

"blockNumber": 33457511,

"contractAddress": "0x4377C1bE43Db73561f1179e2637CFf0bbD617eFC",

"status": "success",

"fee": {

"gas": 151232,

...

"data": {

"from": "0x9428e6eF51FEb2201676deEc11B7E36F7c1F0765",

"logs": [

{

"transactionHash": "0x5a0ca3a7eebbafa946da6ed0160930fc4f334887dbf11a9b38937ab8831fd125",

....

}

]

}

// Xpla Transaction

{

"code": 0,

"message": "success",

"data": {

"txhash": "E21E0CC37CD1BCACADFDEBD4C7AF2F68257EA4591D670F4AA0A725B21422C29F",

"blockNumber": 4818400,

"contractAddress": "0x4377C1bE43Db73561f1179e2637CFf0bbD617eFC",

"status": "success",

"fee": {

"gasUsed": 21000,

...

"data": {

"memo": "",

...

"logs": [

{

"msg_index": 0,

...

}

]

}}

Send Transaction

Sends the signed transaction to a blockchain.

Request URL

Live URL	https://bc-api.qpyou.cn/core/v1/send
Sandbox URL	https://sandbox-bc-api.qpyou.cn/core/v1/send
HTTP Method	POST
Content-Type	application/json

Header Parameters

Field Name	Description	Type	Required
x-network	the blockchain networks {ploygon, xpla}	string	Y
Authorization	Authentication token required to call the API	string	Y

Request Body

Field Name Description Type Required

signedTx the signed transaction string Y

sync

Field Name	Description	Type	Required
signedTx	the signed transaction	string	Y
sync	the synchronous/asynchronous process of the transaction `true`: The transaction will be processed in a sychronous way, meaning that the API will wait until the transaction is finished being recorded on a blockchain. After sending the API request, the API waits until it gets the response value (`txHash`). `false`: The transaction will be processed in an asychronous way, meaning that you may not get the result of transaction transferral at the moment. You need to use Get Transaction Information API to verify the transferral result of the transaction.	boolean	Y

the synchronous/asynchronous process of the transaction

true: The transaction will be processed in a sychronous way, meaning that the API will wait until the transaction is finished being recorded on a blockchain. After sending the API request, the API waits until it gets the response value (txHash).
false: The transaction will be processed in an asychronous way, meaning that you may not get the result of transaction transferral at the moment. You need to use Get Transaction Information API to verify the transferral result of the transaction.

boolean

Responses

Field Name	Description	Type
code	api request result code, 0: success	number
message	the result message	String
data	API response data	json
data.txhash	the transaction hash	string
data.status	the transaction status	string

Request Sample

curl -X 'POST' \
  'https://sandbox-bc-api.qpyou.cn/core/v1/send' \
  -H 'accept: application/json' \
  -H 'x-network: polygon' \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6ImNvbS5jb20yd...' \
  -d '{
  "signedTx": "0x02f8b58301388181b985016d14154585016d1415578289219494853bdc9c...",
  "sync": false
}'

curl -X 'POST' \

'https://sandbox-bc-api.qpyou.cn/core/v1/send' \

-H 'accept: application/json' \

-H 'x-network: polygon' \

-H 'Content-Type: application/json' \

-H 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6ImNvbS5jb20yd...' \

-d '{

"signedTx": "0x02f8b58301388181b985016d14154585016d1415578289219494853bdc9c...",

"sync": false

Response Sample

// Polygon
{
  "code": 0,
  "message": "success",
  "data": {
    "txhash": "0x53e8783e4da707daf58c96a8cea278e7b2a8a5f185af0913b518974556c79076",
    "status": "pending"
  }
}

// Xpla
{
  "code": 0,
  "message": "success",
  "data": {
    "txhash": "84655BB965D709A4AAD4104C7FFBD8E42F52F0BB313493FFDCA02B01FE983A8F",
    "status": "pending"
  }
}

// Polygon

{

"code": 0,

"message": "success",

"data": {

"txhash": "0x53e8783e4da707daf58c96a8cea278e7b2a8a5f185af0913b518974556c79076",

"status": "pending"

}

// Xpla

{

"code": 0,

"message": "success",

"data": {

"txhash": "84655BB965D709A4AAD4104C7FFBD8E42F52F0BB313493FFDCA02B01FE983A8F",

"status": "pending"

}

Create Transaction

Request URL

Header Parameters

Request Body

Responses

Request Sample

Response Sample

Get Transaction Information

Request URL

Path Parameters

Header Parameters

Responses

Request Sample

Response Sample

Send Transaction

Request URL

Header Parameters

Request Body

Responses

Request Sample

Response Sample

Getting Started

SDK Development

Console Guide

Download

API Document

Support