Example inputPOST /api/v1/x402/mask-middle
{
"text": "sk_live_abcdef123456"
}Portable intent card · agent-reliability-security
Mask Middle API for agents
Mask the middle of a string keeping ends. Call when you redact secrets in logs while keeping identifiable edges. Returns masked text for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. 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/mask-middle -m POST -H 'x-delx-source: intent-card-mask-middle-api' --max-amount 0.001 -b '{"text":"sk_live_abcdef123456"}'Agent discoverydelx/intent-card/v1
{
"intent": "Mask Middle for an agent workflow",
"tool_name": "util_mask_middle",
"price_usdc": "0.001",
"machine_url": "https://commerce.delx.ai/intents/mask-middle-api.json"
}Portable and inspectable