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GET
/
markets
List Markets
curl --request GET \
  --url https://www.aionmarket.com/bvapi/markets \
  --header 'Authorization: Bearer <token>'
{
  "items": [
    {
      "id": "<string>",
      "title": "<string>",
      "slug": "<string>",
      "status": "<string>",
      "yesPrice": 123,
      "noPrice": 123,
      "volume": 123,
      "endDate": "2023-11-07T05:31:56Z"
    }
  ],
  "total": 123
}
Search for markets on Polymarket using keywords and various filters.

​
Overview

Use this endpoint for discovery before context checks and execution.

​
Query parameters

ParameterTypeRequiredDefaultDescription
qstringYes-Search keywords
limitintegerNo20Results per page
pageintegerNo11-indexed page number
orderstringNo-Sorting field
ascendingbooleanNofalseSort direction
eventsStatusstringNoactiveactive, resolved, closed
closedbooleanNofalseClosed market filter
venuestringNopolymarketVenue selector

​
Examples

curl -X GET "https://www.aionmarket.com/bvapi/markets?q=election&limit=20&order=volume24hr&ascending=false" \
  -H "Authorization: Bearer YOUR_API_KEY"

​
Response

[
  {
    "id": "0x123abc...",
    "title": "Will Biden win the 2024 election?",
    "question": "Will Joe Biden win the 2024 US Presidential election?",
    "conditionId": "0xabc123...",
    "category": "Politics",
    "endDate": "2024-11-05T00:00:00Z",
    "createdAt": "2024-01-01T00:00:00Z",
    "lastUpdatedAt": "2024-04-15T10:30:00Z",
    "volume24hr": "1500000",
    "liquidity": "500000",
    "bestBid": "0.65",
    "bestAsk": "0.68",
    "active": true,
    "resolved": false,
    "outcomes": ["Yes", "No"]
  }
]

​
Search Tips

  • By Category: Search for category names like “Politics”, “Sports”, “Crypto”
  • By Question: Search for specific questions about events
  • By Keyword: Use broader terms to find related markets
  • Sort by Volume: Discover most active markets with order=volume24hr
  • Active Only: Use eventsStatus=active to find ongoing trading opportunities

​
Response Fields

FieldTypeDescription
idstringMarket identifier
titlestringMarket title
questionstringFull market question
conditionIdstringCondition ID
categorystringMarket category
endDatestringResolution time
volume24hrstring24h volume
liquiditystringLiquidity
bestBidstringBest bid
bestAskstringBest ask
activebooleanActive flag
resolvedbooleanResolved flag
outcomesarrayOutcome names

​
Common errors

CodeMeaning
400Invalid query parameters
401Invalid or missing API key
429Rate limited

​
Use Cases

  • Market Discovery: Find relevant markets for your trading strategy
  • Opportunity Scanning: Identify high-volume or liquid markets
  • Category Filtering: Browse markets within specific domains
  • Heartbeat Data: Include in periodic market refreshes

Authorizations

​
Authorization
string
header
default:YOUR_API_KEY
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Query Parameters

​
q
string
required

Global search keyword (required). Backed by Polymarket public-search.

Required string length: 1 - 100
​
limit
integer
default:20

Per-type result count (limit_per_type), default 20

Required range: x >= 0
​
page
integer
default:1

1-indexed page number, default 1

Required range: x >= 1
​
order
string

Sort field, e.g. volume24hr / liquidity / volume

Maximum string length: 200
​
ascending
boolean
default:false

Sort ascending (default false = descending)

​
eventsStatus
enum<string>
default:active

Event status filter (default active)

Available options:
active,
resolved,
closed
​
closed
boolean
default:false

Only return closed markets (default false)

​
venue
string
default:polymarket

Trading venue (default polymarket)

Maximum string length: 50

Response

200 - application/json

Matching markets

​
items
object[]
​
total
integer