Struct X402Client 

pub struct X402Client { /* private fields */ }

X402 HTTP client with explicit payment control

This client provides full control over the payment flow, allowing you to decide when and how to handle payment requests.

Implementations

impl X402Client

pub fn new(keypair: Keypair, rpc_url: Option<&str>) -> Self

Create a new X402 client

Arguments

• keypair - Solana keypair for signing transactions
• rpc_url - Optional Solana RPC URL (defaults to devnet)

pub async fn get(&self, url: &str) -> X402Result<Response>

Make a GET request

pub async fn get_with_auth( &self, url: &str, authorization: &PaymentAuthorization, ) -> X402Result<Response>

Make a GET request with payment authorization

pub async fn post( &self, url: &str, body: Option<String>, ) -> X402Result<Response>

Make a POST request

pub async fn post_with_auth( &self, url: &str, body: Option<String>, authorization: &PaymentAuthorization, ) -> X402Result<Response>

Make a POST request with payment authorization

pub fn is_payment_required(&self, response: &Response) -> bool

Check if a response requires payment (402 status code)

pub async fn parse_payment_request( &self, response: Response, ) -> X402Result<PaymentRequest>

Parse payment request from 402 response

pub async fn create_payment( &self, request: &PaymentRequest, ) -> X402Result<PaymentAuthorization>

Create a payment from a payment request

This creates, signs, and broadcasts the payment transaction

pub async fn verify_payment( &self, authorization: &PaymentAuthorization, expected_amount: &str, ) -> X402Result<bool>

Verify a payment authorization