Struct PaymentRequest 

pub struct PaymentRequest {
    pub max_amount_required: String,
    pub asset_type: String,
    pub asset_address: String,
    pub payment_address: String,
    pub network: String,
    pub expires_at: DateTime<Utc>,
    pub nonce: String,
    pub payment_id: String,
    pub resource: String,
    pub description: Option<String>,
}

Payment request received from server in 402 response

Fields

max_amount_required: String

Maximum amount required in USDC (e.g., “0.10”)

asset_type: String

Type of asset (e.g., “SPL” for Solana Program Library tokens)

asset_address: String

Token mint address (USDC address on Solana)

payment_address: String

Recipient wallet address for payment

network: String

Network identifier (e.g., “solana-devnet”, “solana-mainnet”)

expires_at: DateTime<Utc>

Expiration timestamp (ISO 8601 format)

nonce: String

Nonce for replay protection

payment_id: String

Unique payment identifier

resource: String

API endpoint/resource being accessed

description: Option<String>

Human-readable description (optional)

Implementations

impl PaymentRequest

pub fn new( max_amount_required: String, asset_address: String, payment_address: String, network: String, expires_at: DateTime<Utc>, nonce: String, payment_id: String, resource: String, ) -> PaymentRequest

Create a new payment request

pub fn with_description(self, description: String) -> PaymentRequest

Set the description

pub fn is_expired(&self) -> bool

Check if the payment request has expired

pub fn from_json(json: &str) -> Result<PaymentRequest, X402Error>

Parse payment request from JSON string

pub fn to_json(&self) -> Result<String, X402Error>

Convert payment request to JSON string

pub fn to_base64(&self) -> Result<String, X402Error>

Encode payment request as base64 JSON

pub fn from_base64(encoded: &str) -> Result<PaymentRequest, X402Error>

Decode payment request from base64 JSON

Trait Implementations

impl Clone for PaymentRequest

fn clone(&self) -> PaymentRequest

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PaymentRequest

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for PaymentRequest

fn deserialize<__D>( __deserializer: __D, ) -> Result<PaymentRequest, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for PaymentRequest

fn eq(&self, other: &PaymentRequest) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for PaymentRequest

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for PaymentRequest