# Polymarket Prices

> Polymarket Prices is a paid API for AI agents from AIsa MPP Data APIs at api.aisa.one, paid per call via MPP, $0.012/call, status unknown (last checked 2026-10-18).

Retrieves current BUY and SELL market prices for one or more Polymarket prediction market token IDs.

## Facts

- Endpoint: GET https://api.aisa.one/apis/v1/polymarket/prices?utm_source=zero.xyz
- Price: $0.012/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-18
- Activations on Zero: 0
- Provider: AIsa MPP Data APIs
- Website: https://aisa.one
- Tags: web-search, financial-data, prediction-markets, weather, travel, data, search
- Canonical page: https://www.zero.xyz/c/aisa-mpp-data-apis-polymarket-prices-db8b9ad1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_gCjwCRfIfGlHiINP3RrVO

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 aisa-mpp-data-apis-polymarket-prices-db8b9ad1
```

Example prompt: What are the current BUY and SELL prices for Polymarket tokens 12345 and 67890?

## When to prefer this

Use this endpoint when you need real-time BUY or SELL prices for one or more specific Polymarket prediction market tokens and already have their token IDs. Prefer this over historical price endpoints when you need current market pricing for trading decisions or odds analysis.

## Known failure modes

- Missing required parameters (token_ids or sides) returns a 400 error
- Mismatched lengths of token_ids and sides lists may cause partial or erroneous results
- Invalid or non-existent token IDs may return empty entries or errors
- Comma-formatting errors in query parameters may cause parse failures

## How this service works

Retrieves market prices for multiple token IDs and sides using query parameters.

<!-- aisa-pricing:start -->
Published reference price: $0.012 USD per successful request. Account-specific pricing and final settlement may differ.
<!-- aisa-pricing:end -->

## Output

A JSON object mapping each requested token ID to a nested object of side (BUY/SELL) to price (as a floating-point number), e.g. {"tokenId123": {"BUY": 0.62, "SELL": 0.59}}.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "sides",
  "token_ids"
 ],
 "properties": {
  "sides": {
   "type": "string",
   "description": "Comma-separated list of sides (BUY or SELL) corresponding to token IDs"
  },
  "token_ids": {
   "type": "string",
   "description": "Comma-separated list of token IDs"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "description": "Map of token ID to map of side to price",
 "additionalProperties": {
  "type": "object",
  "additionalProperties": {
   "type": "number",
   "format": "double"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/aisa-mpp-data-apis-polymarket-prices-db8b9ad1/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.aisa.one](https://www.zero.xyz/host/api.aisa.one/llms.txt)