Example inputPOST /api/v1/x402/phone-digits
{
"phone": "+1 (415) 555-0137"
}Portable intent card · utility
Phone Digits Normalizer API for agents
Normalize phone to digits. Use before SMS gateways, CRM writes, or dedupe on contact fields. Returns digits-only phone text (formatting stripped). $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/phone-digits -m POST -H 'x-delx-source: intent-card-phone-digits-api' --max-amount 0.001 -b '{"phone":"+1 (415) 555-0137"}'Agent discoverydelx/intent-card/v1
{
"intent": "Phone Digits Normalizer for an agent workflow",
"tool_name": "util_phone_digits",
"price_usdc": "0.001",
"machine_url": "https://commerce.delx.ai/intents/phone-digits-api.json"
}Portable and inspectable