Token API offers the transfer, querying, and delegation of the FT (Fungible Token).

Get Token Information

Returns the token contract information of a contract address (contract).

Request URL

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

Path Parameters

Field Name	Description	Type	Required
contract	the address of the token contract	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.name	the token name	string
data.symbol	the symbol of the token	string
data.decimals	the maximum decimal places of the token	number
data.totalSupply	the total amount of supply	string

Request Sample

curl -X 'GET' \
  'https://sandbox-bc-api.qpyou.cn/core/v1/ft/0x94853BdC9c6AdD50D7842D1A3117fab385457470' \
  -H 'accept: application/json' \
  -H 'x-network: polygon' \
  -H 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJp...'

curl -X 'GET' \

'https://sandbox-bc-api.qpyou.cn/core/v1/ft/0x94853BdC9c6AdD50D7842D1A3117fab385457470' \

-H 'accept: application/json' \

-H 'x-network: polygon' \

-H 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJp...'

Response Sample

{
  "code": 0,
  "message": "success",
  "data": {
    "name": "Simple Token",
    "symbol": "ST",
    "decimals": 18,
    "totalSupply": "1000000000"
  }
}

{

"code": 0,

"message": "success",

"data": {

"name": "Simple Token",

"symbol": "ST",

"decimals": 18,

"totalSupply": "1000000000"

}

Get Token Balance

Returns the current token balance of the token owner account (from).

Request URL

Live URL	https://bc-api.qpyou.cn/core/v1/ft/{contract}/account/{from}/balance
Sandbox URL	https://sandbox-bc-api.qpyou.cn/core/v1/ft/{contract}/account/{from}/balance
HTTP Method	GET
Content-Type	application/json

Path Parameters

Field Name	Description	Type	Required
contract	the address of the token contract	string	Y
from	the token owner	string	Y

Query Parameters

Field Name	Description	Type	Required
details	whether to return the balance details	boolean	N

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.value	the token balance	string
data.rawValue	the token balance not applying `data.decimals`	string
data.symbol	the symbol of the token	string
data.decimals	the maximum decimal places of the token	number

Request Sample

curl -X 'GET' \
  'https://sandbox-bc-api.qpyou.cn/core/v1/ft/0x94853BdC9c6AdD50D7842D1A3117fab385457470/account/0x9428e6eF51FEb2201676deEc11B7E36F7c1F0765/balance?details=true' \
  -H 'accept: application/json' \
  -H 'x-network: polygon' \
  -H 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJp...'

curl -X 'GET' \

'https://sandbox-bc-api.qpyou.cn/core/v1/ft/0x94853BdC9c6AdD50D7842D1A3117fab385457470/account/0x9428e6eF51FEb2201676deEc11B7E36F7c1F0765/balance?details=true' \

-H 'accept: application/json' \

-H 'x-network: polygon' \

-H 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJp...'

Response Sample

{
  "code": 0,
  "message": "success",
  "data": {
    "value": "999998999",
    "symbol": "ST",
    "decimals": 18,
    "rawValue": "999998999000000000000000000"
  }
}

{

"code": 0,

"message": "success",

"data": {

"value": "999998999",

"symbol": "ST",

"decimals": 18,

"rawValue": "999998999000000000000000000"

}

Get Token Amount Available for Approved Transfer

Returns the amount of tokens that the token owner account from has approved the spender account to send on behalf of the owner.

Request URL

Live URL	https://bc-api.qpyou.cn/core/v1/ft/{contract}/account/{from}/allowance/{spender}
Sandbox URL	https://sandbox-bc-api.qpyou.cn/core/v1/ft/{contract}/account/{from}/allowance/{spender}
HTTP Method	GET
Content-Type	application/json

Path Parameters

Field Name	Description	Type	Required
contract	the address of the token contract	string	Y
from	the token owner	string	Y
spender	the account that is granted to send tokens	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.allowance	the amount of tokens can be sent	string

Request Sample

curl -X 'GET' \
  'https://sandbox-bc-api.qpyou.cn/core/v1/ft/0x94853BdC9c6AdD50D7842D1A3117fab385457470/account/0x9428e6eF51FEb2201676deEc11B7E36F7c1F0765/allowance/0xFBd488D1b00604d3b05124d80E35FeA9A39C3296' \
  -H 'accept: application/json' \
  -H 'x-network: polygon' \
  -H 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJp...'

curl -X 'GET' \

'https://sandbox-bc-api.qpyou.cn/core/v1/ft/0x94853BdC9c6AdD50D7842D1A3117fab385457470/account/0x9428e6eF51FEb2201676deEc11B7E36F7c1F0765/allowance/0xFBd488D1b00604d3b05124d80E35FeA9A39C3296' \

-H 'accept: application/json' \

-H 'x-network: polygon' \

-H 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJp...'

Response Sample

{
  "code": 0,
  "message": "success",
  "data": {
    "allowance": "0"
  }
}

{

"code": 0,

"message": "success",

"data": {

"allowance": "0"

}

Send Token

Creates a transaction that sends tokens to a specific address. from must be the token owner. If the receiver account (to) is a contract, this contract can do additional tasks with data.

Request URL

Live URL	https://bc-api.qpyou.cn/core/v1/ft/{contract}/transfer
Sandbox URL	https://sandbox-bc-api.qpyou.cn/core/v1/ft/{contract}/transfer
HTTP Method	POST
Content-Type	application/json

Path Parameters

Field Name	Description	Type	Required
contract	the address of the token contract	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

Request Body

Field Name	Description	Type	Required
encoded	whether the returned transaction is encoded or not `true`: Receive the encoded raw transaction string (`data.rawTx`). `false`: Receive the decoded `data.rawTx` (JSON).	boolean	N
from	the account address that sends the token	string	Y
to	the account address that receives the token	string	Y
amount	the amount of tokens to be sent	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.rawTx	the transaction data	string or json
data.hashedTx	This is hashed `data.rawTx`. This value is only returned when the API header `x-network` is “polygon” and the Request Body `from` is an multi sig wallet address.	string
data.requestId	the unique value that can identify each API request	string

Request Sample

curl -X 'POST' \
  'https://sandbox-bc-api.qpyou.cn/core/v1/ft/0x94853BdC9c6AdD50D7842D1A3117fab385457470/transfer' \
  -H 'accept: */*' \
  -H 'x-network: polygon' \
  -H 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJp...' \
  -H 'Content-Type: application/json' \
  -d '{
  "encoded": true,
  "from": "0x9428e6eF51FEb2201676deEc11B7E36F7c1F0765",
  "to": "0xFBd488D1b00604d3b05124d80E35FeA9A39C3296",
  "amount": "100.55"
}'

curl -X 'POST' \

'https://sandbox-bc-api.qpyou.cn/core/v1/ft/0x94853BdC9c6AdD50D7842D1A3117fab385457470/transfer' \

-H 'accept: */*' \

-H 'x-network: polygon' \

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

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

-d '{

"encoded": true,

"from": "0x9428e6eF51FEb2201676deEc11B7E36F7c1F0765",

"to": "0xFBd488D1b00604d3b05124d80E35FeA9A39C3296",

"amount": "100.55"

Response Sample

// Polygon
{
  "code": 0,
  "message": "success",
  "data": {
    "rawTx": "02f8738301388181c2846fc23ac0846fc23ad882cdc49494853bdc9c6add50d7842d1a3117fab38545747080b8...",
    "hashedTx": "0x53e8783e4da707daf58c96a8cea278e7b2a8a5f185af0913b518974556c79076...",
    "requestId": "4d4aa1e5-2bfe-4080-b42f-03319810fe29"
  }
}

// XPLA
{
  "code": 0,
  "message": "success",
  "data": {   

   "rawTx": "0x53e8783e4da707daf58c96a8cea278e7b2a8a5f185af0913b518974556c79076.....",

    "reqeustId": "4d4aa1e5-2bfe-4080-b42f-03319810fe29"

  }
}

// Polygon

{

"code": 0,

"message": "success",

"data": {

"rawTx": "02f8738301388181c2846fc23ac0846fc23ad882cdc49494853bdc9c6add50d7842d1a3117fab38545747080b8...",

"hashedTx": "0x53e8783e4da707daf58c96a8cea278e7b2a8a5f185af0913b518974556c79076...",

"requestId": "4d4aa1e5-2bfe-4080-b42f-03319810fe29"

}

// XPLA

{

"code": 0,

"message": "success",

"data": {

"rawTx": "0x53e8783e4da707daf58c96a8cea278e7b2a8a5f185af0913b518974556c79076.....",

"reqeustId": "4d4aa1e5-2bfe-4080-b42f-03319810fe29"

}

Send Token on behalf of Owner

Creates a transaction that sends tokens to a specific address on behalf of the token owner. from must be the account that is delegated with the right to send tokens from the token owner (owner). If the receiver account (to) is a contract, this contract can do additional tasks with data.

Request URL

Live URL	https://bc-api.qpyou.cn/core/v1/ft/{contract}/transfer-from
Sandbox URL	https://sandbox-bc-api.qpyou.cn/core/v1/ft/{contract}/transfer-from
HTTP Method	POST
Content-Type	application/json

Path Parameters

Field Name	Description	Type	Required
contract	the contract address	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

Request Body

Field Name	Description	Type	Required
from	the wallet address of the account that is granted to send tokens	string	Y
to	the wallet address that receives the token	string	Y
amount	the amount of tokens to be sent	string	Y
data	the data that will be sent if the receiver is a contract	string	Y
owner	the wallet address of the token owner account	string	Y
encoded	whether the returned transaction is encoded or not `true`: Receive the encoded raw transaction string (`data.rawTx`). `false`: Receive the decoded `data.rawTx` (JSON).	boolean	N

Responses

Field Name	Description	Type
code	api request result code, 0: success	number
message	the result message	String
data	API response data	json
data.rawTx	the transaction data	string or json
data.hashedTx	This is hashed `data.rawTx`. This value is only returned when the API header `x-network` is “polygon” and the Request Body `from` is an multi sig wallet address.	string
data.requestId	the unique value that can identify each API request	string

Request Sample

curl -X 'POST' \
  'https://sandbox-bc-api.qpyou.cn/core/v1/ft/0x5bd415aeb2b382c7fac9cc72c1f3994e33ff7b02/transfer-from' \
  -H 'accept: */*' \
  -H 'x-network: polygon' \
  -H 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJp...' \
  -H 'Content-Type: application/json' \
  -d '{
  "encoded": true,
  "from": "0xA10078576Ca6f63dc6f78ff9a8ed8bd05B51f463",
  "to": "0xdcd51770d06B54204abd8c30A25b4583D4cABa39",
  "amount": "0.000001",
  "owner": "0xD6e69da7f1be111394dfef4C48eaC9b52ddf2Fd0"
}'

curl -X 'POST' \

'https://sandbox-bc-api.qpyou.cn/core/v1/ft/0x5bd415aeb2b382c7fac9cc72c1f3994e33ff7b02/transfer-from' \

-H 'accept: */*' \

-H 'x-network: polygon' \

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

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

-d '{

"encoded": true,

"from": "0xA10078576Ca6f63dc6f78ff9a8ed8bd05B51f463",

"to": "0xdcd51770d06B54204abd8c30A25b4583D4cABa39",

"amount": "0.000001",

"owner": "0xD6e69da7f1be111394dfef4C48eaC9b52ddf2Fd0"

Response Sample

{
  "code": 0,
  "message": "success",
  "data": {
    "rawTx": "02f8738301388181c2846fc23ac0846fc23ad882cdc49494853bdc9c6add50d7842d1a3117fab38545747080b8...",
    "hashedTx": "0x53e8783e4da707daf58c96a8cea278e7b2a8a5f185af0913b518974556c79076...",
    "requestId": "4d4aa1e5-2bfe-4080-b42f-03319810fe29"
  }
}

{

"code": 0,

"message": "success",

"data": {

"rawTx": "02f8738301388181c2846fc23ac0846fc23ad882cdc49494853bdc9c6add50d7842d1a3117fab38545747080b8...",

"hashedTx": "0x53e8783e4da707daf58c96a8cea278e7b2a8a5f185af0913b518974556c79076...",

"requestId": "4d4aa1e5-2bfe-4080-b42f-03319810fe29"

}

Grant the Right to Send Tokens

Creates a transaction that the from account approves to account to send the amount of tokens on behalf of the from account. from must be the token owner.

Request URL

Live URL	https://bc-api.qpyou.cn/core/v1/ft/{contract}/approve
Sandbox URL	https://sandbox-bc-api.qpyou.cn/core/v1/ft/{contract}/approve
HTTP Method	POST
Content-Type	application/json

Path Parameters

Field Name	Description	Type	Required
contract	the address of the token contract	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

Request Body

Field Name	Description	Type	Required
from	the wallet address of the token owner account	string	Y
to	the wallet address of the account that receives the right to send tokens	string	Y
amount	the amount of tokens to be sent	string	Y
encoded	whether the returned transaction is encoded or not `true`: Receive the encoded raw transaction string (`data.rawTx`). `false`: Receive the decoded `data.rawTx` (JSON).	boolean	N

Responses

Field Name	Description	Type
code	api request result code, 0: success	number
message	the result message	String
data	API response data	json
data.rawTx	the transaction data	string or json
data.hashedTx	This is hashed `data.rawTx`. This value is only returned when the API header `x-network` is “polygon” and the Request Body `from` is an multi sig wallet address.	string
data.requestId	the unique value that can identify each API request	string

Request Sample

curl -X 'POST' \
  'https://sandbox-bc-api.qpyou.cn/core/v1/ft/0x5bd415aeb2b382c7fac9cc72c1f3994e33ff7b02/approve' \
  -H 'accept: */*' \
  -H 'x-network: polygon' \
  -H 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJp...' \
  -H 'Content-Type: application/json' \
  -d '{
  "encoded": true,
  "from": "0xD6e69da7f1be111394dfef4C48eaC9b52ddf2Fd0",
  "to": "0xA10078576Ca6f63dc6f78ff9a8ed8bd05B51f463",
  "amount": "100"
}'

curl -X 'POST' \

'https://sandbox-bc-api.qpyou.cn/core/v1/ft/0x5bd415aeb2b382c7fac9cc72c1f3994e33ff7b02/approve' \

-H 'accept: */*' \

-H 'x-network: polygon' \

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

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

-d '{

"encoded": true,

"from": "0xD6e69da7f1be111394dfef4C48eaC9b52ddf2Fd0",

"to": "0xA10078576Ca6f63dc6f78ff9a8ed8bd05B51f463",

"amount": "100"

Response Sample

{
  "code": 0,
  "message": "success",
  "data": {
    "rawTx": "02f8738301388181c2846fc23ac0846fc23ad882cdc49494853bdc9c6add50d7842d1a3117fab38545747080b8...",
    "hashedTx": "0x53e8783e4da707daf58c96a8cea278e7b2a8a5f185af0913b518974556c79076...",
    "requestId": "4d4aa1e5-2bfe-4080-b42f-03319810fe29"
  }
}

{

"code": 0,

"message": "success",

"data": {

"rawTx": "02f8738301388181c2846fc23ac0846fc23ad882cdc49494853bdc9c6add50d7842d1a3117fab38545747080b8...",

"hashedTx": "0x53e8783e4da707daf58c96a8cea278e7b2a8a5f185af0913b518974556c79076...",

"requestId": "4d4aa1e5-2bfe-4080-b42f-03319810fe29"

}

Deploy Token Contract

Creates a transaction that deploys the standard token contract.

Request URL

Live URL	https://bc-api.qpyou.cn/core/v1/ft/contract
Sandbox URL	https://sandbox-bc-api.qpyou.cn/core/v1/ft/contract
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
from	the wallet address that deploys the token contract	string	Y
name	the token name	string	Y
symbol	the symbol of the token	string	Y
decimals	the maximum decimal places of the token	number	Y
initialSupply	the initial amount of the tokens minted	string	Y
encoded	whether the returned transaction is encoded or not `true`: Receive the encoded raw transaction string (`data.rawTx`). `false`: Receive the decoded `data.rawTx` (JSON).	boolean	N

Responses

Field Name	Description	Type
code	api request result code, 0: success	number
message	the result message	String
data	API response data	json
data.rawTx	the transaction data	string or json
data.hashedTx	This is hashed `data.rawTx`. This value is only returned when the API header `x-network` is “polygon” and the Request Body `from` is an multi sig wallet address.	string
data.requestId	the unique value that can identify each API request	string

Request Sample

curl -X 'POST' \
  'https://sandbox-bc-api.qpyou.cn/core/v1/ft/contract' \
  -H 'accept: */*' \
  -H 'x-network: polygon' \
  -H 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJp...' \
  -H 'Content-Type: application/json' \
  -d '{
  "encoded": true,
  "from": "0x9428e6eF51FEb2201676deEc11B7E36F7c1F0765",
  "name": "Simple Token",
  "symbol": "ST",
  "decimals": 18,
  "initialSupply": "1000000000"
}'

curl -X 'POST' \

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

-H 'accept: */*' \

-H 'x-network: polygon' \

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

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

-d '{

"encoded": true,

"from": "0x9428e6eF51FEb2201676deEc11B7E36F7c1F0765",

"name": "Simple Token",

"symbol": "ST",

"decimals": 18,

"initialSupply": "1000000000"

Response Sample

{
  "code": 0,
  "message": "success",
  "data": {
    "rawTx": "02f8738301388181c2846fc23ac0846fc23ad882cdc49494853bdc9c6add50d7842d1a3117fab38545747080b8...",
    "hashedTx": "0x53e8783e4da707daf58c96a8cea278e7b2a8a5f185af0913b518974556c79076...",
    "requestId": "4d4aa1e5-2bfe-4080-b42f-03319810fe29"
  }
}

{

"code": 0,

"message": "success",

"data": {

"rawTx": "02f8738301388181c2846fc23ac0846fc23ad882cdc49494853bdc9c6add50d7842d1a3117fab38545747080b8...",

"hashedTx": "0x53e8783e4da707daf58c96a8cea278e7b2a8a5f185af0913b518974556c79076...",

"requestId": "4d4aa1e5-2bfe-4080-b42f-03319810fe29"

}

Token API

Get Token Information

Request URL

Path Parameters

Header Parameters

Responses

Request Sample

Response Sample

Get Token Balance

Request URL

Path Parameters

Query Parameters

Header Parameters

Responses

Request Sample

Response Sample

Get Token Amount Available for Approved Transfer

Request URL

Path Parameters

Header Parameters

Responses

Request Sample

Response Sample

Send Token

Request URL

Path Parameters

Header Parameters

Request Body

Responses

Request Sample

Response Sample

Send Token on behalf of Owner

Request URL

Path Parameters

Header Parameters

Request Body

Responses

Request Sample

Response Sample

Grant the Right to Send Tokens

Request URL

Path Parameters

Header Parameters

Request Body

Responses

Request Sample

Response Sample

Deploy Token Contract

Request URL

Header Parameters

Request Body

Responses

Request Sample

Response Sample

Getting Started

SDK Development

Console Guide

Download

API Document

Support