Example inputPOST /api/v1/x402/sha256-hex
{
"text": "hello-delx"
}Portable intent card · agent-reliability-security
SHA256 Hex API for agents
SHA-256 hex digest of text. Call when you need content fingerprints for agent cache keys. Returns hex digest 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/sha256-hex -m POST -H 'x-delx-source: intent-card-sha256-hex-api' --max-amount 0.001 -b '{"text":"hello-delx"}'Agent discoverydelx/intent-card/v1
{
"intent": "SHA256 Hex for an agent workflow",
"tool_name": "util_sha256_hex",
"price_usdc": "0.001",
"machine_url": "https://commerce.delx.ai/intents/sha256-hex-api.json"
}Portable and inspectable