Example inputPOST /api/v1/x402/base-balance
{}Portable intent card · blockchain
Base ETH balance API for agents
Native ETH balance for one address on Base for $0.001 via live JSON-RPC.
Intent to transaction
One command, attributed.
The source header follows this discovery route through challenge, payment and delivery without exposing the buyer or request body.
npx agentcash@latest fetch https://api.delx.ai/api/v1/x402/base-balance -m POST -H 'x-delx-source: intent-card-base-balance-api' --max-amount 0.001 -b '{}'Agent discoverydelx/intent-card/v1
{
"intent": "wallet eth balance on base",
"tool_name": "get_base_native_balance",
"price_usdc": "0.001",
"machine_url": "https://commerce.delx.ai/intents/base-balance-api.json"
}Portable and inspectable