HMAC-SHA256 hex of text with a secretGET /api/v1/x402/hmac-sha256-hex · x402 API by delx
HMAC-SHA256 hex of text with a secret. Call when you sign agent webhook test payloads offline. Returns hex digest for $0.001 USDC via x402 on Base. Local HMAC only—caller supplies secret; not stored. No network, no retention. Results are advisory; the caller owns budgets, auth, and production controls.
What does this x402 API do?
HMAC-SHA256 hex of text with a secret. This is an x402-gated GET API resource from delx. TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-08-24. No normalized USD price is recorded; the listing names Base and Solana. No settled paid call has been verified.
- Published price
- No normalized USD price is recorded
- Networks
- Base · Solana
- Latest evidence
- TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-08-24
- Resource ID
- 14b47007f4d60db3111b4a41
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://api.delx.ai/api/v1/x402/hmac-sha256-hex", {
method: "GET",
});
console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));
// A valid 402 is a quote, not a completed paid call.This sends no payment. Inspect the 402 response before adding a wallet-enabled client.
- Live 402 quote confirmed
GET returned a protocol-valid 402 quote (402). No payment was made.
- Origin reachable
HEAD https://api.delx.ai/ returned 200.
- Observed in 402-index
Discovered through bazaar.
- Registry record checked
Registry health: degraded.
What evidence supports this listing?
Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →
Which networks and payment options does it accept?
The normalized listing price is No normalized USD price is recorded. Raw protocol requirements remain visible below for implementation and audit use.