Struct AgentCard 

pub struct AgentCard {

    pub id: Uuid,
    pub name: String,
    pub description: Option<String>,
    pub wallet_address: String,
    pub public_key: String,
    pub supported_networks: Vec<X402Network>,
    pub supported_assets: Vec<X402Asset>,
    pub a2a_skills: Vec<A2ASkill>,
    pub trust_level: TrustLevel,
    pub verified_at: Option<DateTime<Utc>>,
    pub verification_method: Option<String>,
    pub endpoint_url: Option<String>,
    pub endpoint_protocol: Option<String>,
    pub merchant_id: Option<String>,
    pub merchant_name: Option<String>,
    pub business_category: Option<String>,
    pub max_transaction_amount: Option<u64>,
    pub daily_volume_limit: Option<u64>,
    pub requires_kyc: bool,
    pub active: bool,
    pub suspended_at: Option<DateTime<Utc>>,
    pub suspension_reason: Option<String>,
    pub metadata: Option<String>,
    pub created_at: DateTime<Utc>,
    pub updated_at: DateTime<Utc>,
}

Agent Card - Identity and capability advertisement for AI agents

Agent cards enable discovery and verification of AI agents in the agent-to-agent commerce ecosystem. They contain:

• Identity: wallet address, public key for verification
• Capabilities: supported payment networks, assets, A2A skills
• Trust: verification level and limits

Fields

id: Uuid

Unique agent card ID

name: String

Human-readable agent name

description: Option<String>

Description of the agent’s purpose/capabilities

wallet_address: String

Wallet address for receiving/sending payments

public_key: String

Ed25519 public key for signature verification (hex-encoded)

supported_networks: Vec<X402Network>

Supported blockchain networks

supported_assets: Vec<X402Asset>

Supported payment assets (stablecoins)

a2a_skills: Vec<A2ASkill>

List of A2A skills this agent supports

trust_level: TrustLevel

Trust level determines transaction limits and capabilities

verified_at: Option<DateTime<Utc>>

When the agent was verified (if applicable)

verification_method: Option<String>

Method used for verification

endpoint_url: Option<String>

URL for A2A communication

endpoint_protocol: Option<String>

Protocol for endpoint (https, grpc, websocket)

merchant_id: Option<String>

Associated merchant ID

merchant_name: Option<String>

Merchant/business name

business_category: Option<String>

Business category

max_transaction_amount: Option<u64>

Maximum single transaction amount (in smallest unit)

daily_volume_limit: Option<u64>

Daily volume limit (in smallest unit)

requires_kyc: bool

Whether KYC is required for transactions

active: bool

Whether the agent card is active

suspended_at: Option<DateTime<Utc>>

When the agent was suspended (if applicable)

suspension_reason: Option<String>

Reason for suspension

metadata: Option<String>

Additional metadata (JSON)

created_at: DateTime<Utc>

When the agent card was created

updated_at: DateTime<Utc>

When the agent card was last updated

Implementations

impl AgentCard

pub fn new( name: impl Into<String>, wallet_address: impl Into<String>, public_key: impl Into<String>, ) -> AgentCard

Create a new agent card

pub fn with_networks(self, networks: Vec<X402Network>) -> AgentCard

Add supported networks

pub fn with_assets(self, assets: Vec<X402Asset>) -> AgentCard

Add supported assets

pub fn with_skills(self, skills: Vec<A2ASkill>) -> AgentCard

Add A2A skills

pub const fn with_trust_level(self, level: TrustLevel) -> AgentCard

Set trust level

pub fn with_endpoint( self, url: impl Into<String>, protocol: impl Into<String>, ) -> AgentCard

Set endpoint

pub fn supports_network(&self, network: X402Network) -> bool

Check if agent supports a specific network

pub fn supports_asset(&self, asset: X402Asset) -> bool

Check if agent supports a specific asset

pub fn has_skill(&self, skill: &A2ASkill) -> bool

Check if agent has a specific skill

pub fn can_sell(&self) -> bool

Check if agent can sell

pub fn can_buy(&self) -> bool

Check if agent can buy

Trait Implementations

impl Clone for AgentCard

fn clone(&self) -> AgentCard

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AgentCard

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for AgentCard

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for AgentCard

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.