risk-factor diffGET /v1/compare · x402 API by Signal Nodus
Sentence-level year-over-year diff of a 10-K item: added, removed, unchanged, change ratio, reproducible against pinned accession numbers. $0.50 per call.
What does this x402 API do?
risk-factor diff. This is an x402-gated GET API resource from Signal Nodus. TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-08-25. The listing records $0.5 USD-denominated per request on Base. No settled paid call has been verified.
- Published price
- $0.5 USD-denominated per request
- Networks
- Base
- Latest evidence
- TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-08-25
- Resource ID
- a7a65d0482542e88c5771e2b
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://api.signalnodus.ai/v1/compare", {
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.signalnodus.ai/ returned 200.
- Observed in 402-index
Discovered through self-registered.
- 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 $0.5 USD-denominated per request. Raw protocol requirements remain visible below for implementation and audit use.