Trading volume and liquidity rankings across all prediction market platformsGET /api/v1/markets/volume · x402 API by prowldata
Trading volume and liquidity rankings across all prediction market platforms. Find the most actively traded markets, biggest bets, and where money is flowing. Spot sudden volume spikes that signal breaking news or insider activity. Powered by PROWL. Use this to answer 'what are people betting on right now?' or 'which prediction markets have the most money?'
What does this x402 API do?
Trading volume and liquidity rankings across all prediction market platforms. This is an x402-gated GET API resource from prowldata. The latest safe exact-route check returned HTTP 404 on 2026-08-15. The listing records $0.001 USD-denominated per request on Base. No settled paid call has been verified.
- Published price
- $0.001 USD-denominated per request
- Networks
- Base
- Latest evidence
- The latest safe exact-route check returned HTTP 404 on 2026-08-15
- Resource ID
- d075813ea50a683789690bdb
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://www.prowldata.dev/api/v1/markets/volume", {
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.
- Exact route checked
non 402
- Origin reachable
HEAD https://www.prowldata.dev/ returned 404.
- 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 $0.001 USD-denominated per request. Raw protocol requirements remain visible below for implementation and audit use.