X402 Payment Payload Size: X402 Payment Payload Size checks serialized payment payload bytes against a buyerGET /api/v1/x402/x402-payment-payload-size · x402 API by delx
X402 Payment Payload Size: X402 Payment Payload Size checks serialized payment payload bytes against a buyer limit from bounded caller-supplied values without an external provider. Call X402 Payment Payload Size before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Payment Payload Size as versioned deter…
What does this x402 API do?
X402 Payment Payload Size: X402 Payment Payload Size checks serialized payment payload bytes against a buyer. This is an x402-gated GET API resource from delx. TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-08-25. 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 2026-08-25
- Resource ID
- c16a7a88fe94a6e5a7d9c9e0
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://api.delx.ai/api/v1/x402/x402-payment-payload-size", {
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.
- Observed in 402-index
Discovered through bazaar.
- Origin reachable
HEAD https://api.delx.ai/ returned 200.
- Registry record checked
Registry health: healthy.
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.