Transaction approve

Generates transaction input parameters to provide access to the user's tokens for the exchange smart contract.

Request

Authorization

Add parameter in header

X-API-Key

Example:

X-API-Key: ********************

Path Params

chainID

enum<integer>

required

The blockchain ID.

(Supported list: v1/platforms)

Allowed values:

110561372504216143114

Default:

Example:

Query Params

tokenAddress

string

required

Address of the smart contract of the token for which the access request is generated.

Default:

0xdAC17F958D2ee523a2206206994597C13D831ec7

Example:

0xdAC17F958D2ee523a2206206994597C13D831ec7

takerAddress

string

optional

Address of user’s wallet which will provide approve. When provided the gas will be estimated exactly.

Default:

0x06723241Ed93A57a0227207c5ACd8EcAafc6735c

amount

integer

optional

The amount of user tokens to which access is granted. By default - infinite number.

Default:

100000000000

gasPrice

integer

optional

Cost of gas for an approve transaction. By default: medium.

Default:

100000000000

contractAddress

string

optional

Contract that we want to give an approval. If not passed, then the default for chain is used.

Request samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

Responses

🟢200OK

application/json

Body

calldata

string

optional

One of the input parameters for processing a transaction providing access to tokens.

Example:

0x095ea7b30000000000000000000000001aaad07998466cd3eb8140827dddb37570be1e63000000000000000000000000000000000000000000000000000000174876e800

gas_price

string

optional

Gas price value for a transaction in WEI (nAVAX for Avalanche).

Example:

123

string

optional

Address of the smart contract the transaction should be sent to.

Example:

0x1aaad07998466cd3eb8140827dddb37570be1e63

estimate_gas

string

optional

The estimated amount of gas that will be used during the transaction.

Example:

123

Example

{
    "calldata": "0x095ea7b30000000000000000000000001aaad07998466cd3eb8140827dddb37570be1e63000000000000000000000000000000000000000000000000000000174876e800",
    "gas_price": "123",
    "to": "0x1aaad07998466cd3eb8140827dddb37570be1e63",
    "estimate_gas": "123"
}

🟠400Bad Request

🔴500Internal Server Error