Example inputPOST /api/v1/x402/email-domain
{
"email": "agent@example.com"
}Portable intent card · utility
Email → Domain API for agents
Domain from an email. Call when routing tickets, grouping users, or validating corporate domains. Returns the domain part of an email address. $0.001 USDC per successful call via x402 on Base—deterministic first-party JSON, no API key, no subscription, and nothing is billed on structured validation errors.
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/email-domain -m POST -H 'x-delx-source: intent-card-email-domain-api' --max-amount 0.001 -b '{"email":"agent@example.com"}'Agent discoverydelx/intent-card/v1
{
"intent": "Email → Domain for an agent workflow",
"tool_name": "util_email_domain",
"price_usdc": "0.001",
"machine_url": "https://commerce.delx.ai/intents/email-domain-api.json"
}Portable and inspectable