# infinitERB Prediction Markets Search

> infinitERB Prediction Markets Search is a paid API for AI agents from api.infiniterb.com, paid per call via x402, $0.002/call, status down (last checked 2026-10-02).

Search and retrieve prediction market events and their binary outcome questions from the infinitERB poly markets feed

## Facts

- Endpoint: GET https://api.infiniterb.com/api/poly/markets?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: down
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/infiniterb-prediction-markets-search-5a7f011d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_LHeh9bUED1AhyttOEZCDI

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 infiniterb-prediction-markets-search-5a7f011d
```

Example prompt: Search the infinitERB poly markets for prediction markets about the US election and show me up to 5 events with their yes/no questions.

## When to prefer this

Choose this endpoint when you need to discover or search prediction market events and their binary outcome questions by topic keyword. Prefer it over generic web search when you specifically need structured market data including condition IDs and outcome options for downstream trading or analysis workflows.

## Known failure modes

- No results returned when search query matches no active markets
- Empty events array if market feed has no data for given keywords
- Invalid limit parameter may be ignored or return default of 10
- Payment failure (402) if USDC micropayment not properly handled
- Network timeout if market data feed is slow

## How this service works

infinitERB: poetry, philosophy, and objects from the middle — where knowing meets unknowing, and love brings the color.

## Output

Returns a list of market events, each containing an event ID, title, and associated prediction market questions. Each market includes a condition ID, the question text, and an array of possible outcomes (typically Yes/No).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "q": {
       "type": "string",
       "description": "search keywords"
      },
      "limit": {
       "type": "integer",
       "description": "max events (default 10)"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "events": [
   {
    "title": "Example",
    "markets": [
     {
      "outcomes": [
       "Yes",
       "No"
      ],
      "question": "...",
      "condition_id": "0xabc"
     }
    ],
    "event_id": "123"
   }
  ]
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/infiniterb-prediction-markets-search-5a7f011d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.infiniterb.com](https://www.zero.xyz/host/api.infiniterb.com/llms.txt)