Swap RPC
checkApprove
Learn how to use the checkApprove JSON-RPC method.
POST
/
#particle_swap_checkApprove
Contextualizing checkApprove
checkApprove
returns a Boolean based upon whether a given address has approved spending of a specified amount for a particular ERC-20 token. It takes:address
- string.- Token object, containing:
tokenAddress
- string.amount
- string.
Query example
JSON
Authorizations
Basic authentication header of the form Basic <encoded-value>
, where <encoded-value>
is the base64-encoded string username:password
.
Body
application/json
Version of the JSON-RPC protocol, should be 2.0.
The request identifier.
API method being called.
Available options:
particle_swap_checkApprove
Parameters for checking token approval.
The blockchain chain ID.
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