Starknet.js API
This API is based on the Starknet.js V3 Interface write up by Janek of Argent
Provider​
The Provider API allows you to interact with the Starknet network, without signing transactions or messages.
Typically, these are read calls on the blockchain.
Guide is here.
Account​
An Account extends Provider and inherits all of its methods.
It also introduces new methods that allow Accounts to create and verify signatures with a custom Signer, declare and deploy Contract and deploy new Account
This API is the primary way to interact with an account contract on Starknet.
Guide is here.
Contract​
Contracts API can do data transformations in JavaScript based on an ABI. They can also call and invoke to Starknet through a provided Signer.
Contracts allow you to transform Cairo values, like Uint256 to BigNumber. It could also allow users to pass their own transformers, similar to JSON.parse.
Guide is here.
Signer​
The Signer API allows you to sign transactions and messages, and also allows you to get the public key.
Utils​
Util functions are provided so you can use various low level functions in your application :