Example inputPOST /api/v1/x402/iso-week
{
"date": "2026-08-04T12:00:00Z"
}Portable intent card · utility
ISO Week Number API for agents
ISO week number. Call for weekly reporting buckets and standup cadence keys. Returns ISO week number (and year context) for a date. $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/iso-week -m POST -H 'x-delx-source: intent-card-iso-week-api' --max-amount 0.001 -b '{"date":"2026-08-04T12:00:00Z"}'Agent discoverydelx/intent-card/v1
{
"intent": "ISO Week Number for an agent workflow",
"tool_name": "util_iso_week",
"price_usdc": "0.001",
"machine_url": "https://commerce.delx.ai/intents/iso-week-api.json"
}Portable and inspectable