# x402 Bazaar Rank – Prediction Markets

> x402 Bazaar Rank – Prediction Markets is a paid API for AI agents from x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev, paid per call via x402, $0.008/call, status unknown (last checked 2026-10-23).

Returns a ranked list of the top x402 prediction-market services, scored by real 30-day call volume and unique paying wallets, with a snapshot receipt.

## Facts

- Endpoint: GET https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-prediction-markets?utm_source=zero.xyz
- Price: $0.008/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-23
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-bazaar-rank-prediction-markets-b985d71c
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_GliofJ_XI8lhU9A_unTLM

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability x402-bazaar-rank-prediction-markets-b985d71c
```

Example prompt: Show me the top 25 prediction-market services on the x402 network ranked by the number of unique paying wallets over the last 30 days, so I can find the most actively used forecasting APIs.

## When to prefer this

Choose this endpoint when you need a curated, usage-verified ranking of x402-native prediction-market services backed by real on-chain payment data — not just a static directory. Prefer it over generic API directories when you want to filter to services with proven paying demand and need a verifiable snapshot receipt for auditing or reproducibility.

## Known failure modes

- No services indexed under the prediction-markets tag returns an empty services array with count:0
- Network or worker availability issues return a 5xx error
- Malformed query parameters may return a 400 error
- Stale snapshot if the indexer has not refreshed recently, reflected in the generatedAt timestamp

## How this service works

Use when an agent needs the top x402 services tagged 'prediction-markets'. Returns Retired route /in-prediction-markets: now serves the live /in-x402 ranking, the top 25 x402 services tagged 'x402' by 30-day unique paying wallets.

## Output

A JSON object containing a ranked array of prediction-market services (up to 25 by default), each with name, network, 30-day call count, price in USD, resource URL, and unique payer count, plus query metadata, total match count, snapshot timestamp, and a receipt identifying the snapshot hash and scoring revision.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "generatedAt",
  "data"
 ],
 "properties": {
  "data": {
   "type": "string"
  },
  "generatedAt": {
   "type": "string"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-bazaar-rank-prediction-markets-b985d71c/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev](https://www.zero.xyz/host/x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/llms.txt)