Example inputPOST /api/v1/x402/is-email-shape
{
"email": "ops@delx.ai"
}Portable intent card · agent-reliability-security
Is Email Shape API for agents
Validate email shape (not mailbox existence). Call when you cheaply reject obvious non-emails before enrichment. Returns valid boolean for $0.001 USDC via x402 on Base. Shape only—not MX, SMTP, or ownership proof. No network, no keys, no retention. Results are advisory; the caller owns budgets, auth, and production controls.
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/is-email-shape -m POST -H 'x-delx-source: intent-card-is-email-shape-api' --max-amount 0.001 -b '{"email":"ops@delx.ai"}'Agent discoverydelx/intent-card/v1
{
"intent": "Is Email Shape for an agent workflow",
"tool_name": "util_is_email_shape",
"price_usdc": "0.001",
"machine_url": "https://commerce.delx.ai/intents/is-email-shape-api.json"
}Portable and inspectable