# Predict MemoryAPI Trending Markets

> Predict MemoryAPI Trending Markets is a paid API for AI agents from predict.memoryapi.org, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).

Fetches currently trending prediction markets from Polymarket and Manifold, ranked by volume and liquidity

## Facts

- Endpoint: GET https://predict.memoryapi.org/x402/predict/trending
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/predict-memoryapi-org-50b75185
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_8JH-_fvzJG7EDfGfGAlcr

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 predict-memoryapi-org-50b75185
```

Example prompt: What prediction markets are blowing up right now on Polymarket and Manifold — show me the ones with the most volume and liquidity.

## When to prefer this

Use this endpoint when you need a quick pulse on what prediction markets are most active right now across both Polymarket and Manifold, without needing to specify a category or keyword. Prefer this over the browse or search endpoints when you want trending/popular markets rather than filtered or category-specific results.

## Known failure modes

- Upstream Polymarket or Manifold API unavailable — returns error or partial results
- Payment not provided or insufficient — returns 402 Payment Required
- Stale data if external market feeds are delayed
- Empty result set if no markets meet trending threshold

## How this service works

Prediction markets API - browse and track Polymarket and Manifold markets. All endpoints support x402 HTTP 402 payment protocol.

## Output

A list of trending prediction markets aggregated from Polymarket and Manifold, including market titles, current outcome prices, trading volume, liquidity figures, and source platform for each market

## Example request

```json
{
 "q": "artificial intelligence",
 "tag": "crypto",
 "limit": 20
}
```

## Response schema (JSON Schema)

```json
{
 "example": {
  "success": true,
  "trending": [
   {
    "source": "Polymarket",
    "question": "Will Bitcoin reach $100k?",
    "probability": 0.65,
    "volume_or_liquidity": 5000000
   }
  ]
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/predict-memoryapi-org-50b75185/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from predict.memoryapi.org](https://www.zero.xyz/host/predict.memoryapi.org/llms.txt)