# Market

Market listing and details

## Get market list

> Get a paginated list of all markets (categorical and binary)

```json
{"openapi":"3.0.3","info":{"title":"OPINION Prediction Market OpenAPI","version":"1.0.0"},"tags":[{"name":"Market","description":"Market listing and details"}],"servers":[{"url":"https://openapi.opinion.trade/openapi","description":"Production server"}],"security":[{"ApiKeyAuth":[]}],"components":{"securitySchemes":{"ApiKeyAuth":{"type":"apiKey","in":"header","name":"apikey","description":"API key for authentication"}},"schemas":{"APIBaseResponse":{"type":"object","properties":{"code":{"type":"integer","description":"Response code (0 for success)"},"msg":{"type":"string","description":"Response message"},"result":{"type":"object","description":"Response data"}}},"MarketListResponse":{"type":"object","properties":{"total":{"type":"integer","format":"int64","description":"Total number of markets"},"list":{"type":"array","items":{"$ref":"#/components/schemas/MarketData"}}}},"MarketData":{"type":"object","properties":{"marketId":{"type":"integer","format":"int64","description":"Market ID"},"marketTitle":{"type":"string","description":"Market title"},"status":{"type":"integer","description":"Market status: 1=Created, 2=Activated, 3=Resolving, 4=Resolved, 5=Failed, 6=Deleted","enum":[1,2,3,4,5,6]},"statusEnum":{"type":"string","description":"Human-readable status","enum":["Created","Activated","Resolving","Resolved","Failed","Deleted"]},"marketType":{"type":"integer","description":"Market type: 0=Binary, 1=Categorical","enum":[0,1]},"childMarkets":{"type":"array","items":{"$ref":"#/components/schemas/ChildMarketData"},"description":"Child markets (for categorical markets)"},"yesLabel":{"type":"string","description":"Yes outcome label"},"noLabel":{"type":"string","description":"No outcome label"},"rules":{"type":"string","description":"Market rules"},"yesTokenId":{"type":"string","description":"Yes outcome token ID"},"noTokenId":{"type":"string","description":"No outcome token ID"},"conditionId":{"type":"string","description":"Condition ID"},"resultTokenId":{"type":"string","description":"Result token ID (after resolution)"},"volume":{"type":"string","description":"Total trading volume"},"volume24h":{"type":"string","description":"24-hour trading volume"},"volume7d":{"type":"string","description":"7-day trading volume"},"quoteToken":{"type":"string","description":"Quote token address"},"chainId":{"type":"string","description":"Chain ID"},"questionId":{"type":"string","description":"Question ID"},"incentiveFactor":{"type":"object","description":"Incentive factor (masked as empty object)"},"collection":{"$ref":"#/components/schemas/CollectionDataOpenAPI","description":"Collection market detail if any"},"createdAt":{"type":"integer","format":"int64","description":"Creation timestamp"},"cutoffAt":{"type":"integer","format":"int64","description":"Cutoff timestamp"},"resolvedAt":{"type":"integer","format":"int64","description":"Resolution timestamp"}}},"ChildMarketData":{"type":"object","properties":{"marketId":{"type":"integer","format":"int64"},"marketTitle":{"type":"string"},"status":{"type":"integer"},"statusEnum":{"type":"string"},"yesLabel":{"type":"string"},"noLabel":{"type":"string"},"rules":{"type":"string"},"yesTokenId":{"type":"string"},"noTokenId":{"type":"string"},"conditionId":{"type":"string"},"resultTokenId":{"type":"string"},"volume":{"type":"string"},"quoteToken":{"type":"string"},"chainId":{"type":"string"},"questionId":{"type":"string"},"createdAt":{"type":"integer","format":"int64"},"cutoffAt":{"type":"integer","format":"int64"},"resolvedAt":{"type":"integer","format":"int64"}}},"CollectionDataOpenAPI":{"type":"object","description":"Collection market data (for recurring/time-series markets)","properties":{"title":{"type":"string","description":"Collection title"},"symbol":{"type":"string","description":"Collection symbol"},"frequency":{"type":"string","description":"Collection frequency (e.g., daily, weekly)"},"current":{"$ref":"#/components/schemas/CollectionMarketDataOpenAPI","description":"Current period market data"},"next":{"type":"array","items":{"$ref":"#/components/schemas/CollectionMarketDataOpenAPI"},"description":"Upcoming period markets"}}},"CollectionMarketDataOpenAPI":{"type":"object","description":"Collection market period data","properties":{"marketId":{"type":"integer","format":"int64","description":"Market ID"},"period":{"type":"string","description":"Period identifier"},"startTime":{"type":"integer","format":"int64","description":"Period start timestamp"},"endTime":{"type":"integer","format":"int64","description":"Period end timestamp"},"startPrice":{"type":"string","description":"Starting price for this period"},"endPrice":{"type":"string","description":"Ending price for this period"}}}},"responses":{"BadRequestError":{"description":"Bad request - invalid parameters","content":{"application/json":{"schema":{"allOf":[{"$ref":"#/components/schemas/APIBaseResponse"},{"type":"object","properties":{"code":{},"msg":{}}}]}}}}}},"paths":{"/market":{"get":{"tags":["Market"],"summary":"Get market list","description":"Get a paginated list of all markets (categorical and binary)","operationId":"getMarketList","parameters":[{"name":"page","in":"query","description":"Page number","schema":{"type":"integer","default":1,"minimum":1}},{"name":"limit","in":"query","description":"Number of items per page (max 20)","schema":{"type":"integer","default":10,"maximum":20}},{"name":"status","in":"query","description":"Market status filter","schema":{"type":"string","enum":["activated","resolved"]}},{"name":"marketType","in":"query","description":"Market type filter: 0=Binary, 1=Categorical, 2=All","schema":{"type":"integer","default":0,"enum":[0,1,2]}},{"name":"sortBy","in":"query","description":"Sort order: 1=new, 2=ending soon, 3=volume desc, 4=volume asc, 5=volume24h desc, 6=volume24h asc, 7=volume7d desc, 8=volume7d asc","schema":{"type":"integer","enum":[1,2,3,4,5,6,7,8]}},{"name":"chainId","in":"query","description":"Chain ID filter","schema":{"type":"string"}}],"responses":{"200":{"description":"Successful response","content":{"application/json":{"schema":{"allOf":[{"$ref":"#/components/schemas/APIBaseResponse"},{"type":"object","properties":{"result":{"$ref":"#/components/schemas/MarketListResponse"}}}]}}}},"400":{"$ref":"#/components/responses/BadRequestError"}}}}}}
```

## Get binary market detail

> Get detailed information about a specific binary market

```json
{"openapi":"3.0.3","info":{"title":"OPINION Prediction Market OpenAPI","version":"1.0.0"},"tags":[{"name":"Market","description":"Market listing and details"}],"servers":[{"url":"https://openapi.opinion.trade/openapi","description":"Production server"}],"security":[{"ApiKeyAuth":[]}],"components":{"securitySchemes":{"ApiKeyAuth":{"type":"apiKey","in":"header","name":"apikey","description":"API key for authentication"}},"schemas":{"APIBaseResponse":{"type":"object","properties":{"code":{"type":"integer","description":"Response code (0 for success)"},"msg":{"type":"string","description":"Response message"},"result":{"type":"object","description":"Response data"}}},"MarketDetailResponse":{"type":"object","properties":{"data":{"$ref":"#/components/schemas/MarketData"}}},"MarketData":{"type":"object","properties":{"marketId":{"type":"integer","format":"int64","description":"Market ID"},"marketTitle":{"type":"string","description":"Market title"},"status":{"type":"integer","description":"Market status: 1=Created, 2=Activated, 3=Resolving, 4=Resolved, 5=Failed, 6=Deleted","enum":[1,2,3,4,5,6]},"statusEnum":{"type":"string","description":"Human-readable status","enum":["Created","Activated","Resolving","Resolved","Failed","Deleted"]},"marketType":{"type":"integer","description":"Market type: 0=Binary, 1=Categorical","enum":[0,1]},"childMarkets":{"type":"array","items":{"$ref":"#/components/schemas/ChildMarketData"},"description":"Child markets (for categorical markets)"},"yesLabel":{"type":"string","description":"Yes outcome label"},"noLabel":{"type":"string","description":"No outcome label"},"rules":{"type":"string","description":"Market rules"},"yesTokenId":{"type":"string","description":"Yes outcome token ID"},"noTokenId":{"type":"string","description":"No outcome token ID"},"conditionId":{"type":"string","description":"Condition ID"},"resultTokenId":{"type":"string","description":"Result token ID (after resolution)"},"volume":{"type":"string","description":"Total trading volume"},"volume24h":{"type":"string","description":"24-hour trading volume"},"volume7d":{"type":"string","description":"7-day trading volume"},"quoteToken":{"type":"string","description":"Quote token address"},"chainId":{"type":"string","description":"Chain ID"},"questionId":{"type":"string","description":"Question ID"},"incentiveFactor":{"type":"object","description":"Incentive factor (masked as empty object)"},"collection":{"$ref":"#/components/schemas/CollectionDataOpenAPI","description":"Collection market detail if any"},"createdAt":{"type":"integer","format":"int64","description":"Creation timestamp"},"cutoffAt":{"type":"integer","format":"int64","description":"Cutoff timestamp"},"resolvedAt":{"type":"integer","format":"int64","description":"Resolution timestamp"}}},"ChildMarketData":{"type":"object","properties":{"marketId":{"type":"integer","format":"int64"},"marketTitle":{"type":"string"},"status":{"type":"integer"},"statusEnum":{"type":"string"},"yesLabel":{"type":"string"},"noLabel":{"type":"string"},"rules":{"type":"string"},"yesTokenId":{"type":"string"},"noTokenId":{"type":"string"},"conditionId":{"type":"string"},"resultTokenId":{"type":"string"},"volume":{"type":"string"},"quoteToken":{"type":"string"},"chainId":{"type":"string"},"questionId":{"type":"string"},"createdAt":{"type":"integer","format":"int64"},"cutoffAt":{"type":"integer","format":"int64"},"resolvedAt":{"type":"integer","format":"int64"}}},"CollectionDataOpenAPI":{"type":"object","description":"Collection market data (for recurring/time-series markets)","properties":{"title":{"type":"string","description":"Collection title"},"symbol":{"type":"string","description":"Collection symbol"},"frequency":{"type":"string","description":"Collection frequency (e.g., daily, weekly)"},"current":{"$ref":"#/components/schemas/CollectionMarketDataOpenAPI","description":"Current period market data"},"next":{"type":"array","items":{"$ref":"#/components/schemas/CollectionMarketDataOpenAPI"},"description":"Upcoming period markets"}}},"CollectionMarketDataOpenAPI":{"type":"object","description":"Collection market period data","properties":{"marketId":{"type":"integer","format":"int64","description":"Market ID"},"period":{"type":"string","description":"Period identifier"},"startTime":{"type":"integer","format":"int64","description":"Period start timestamp"},"endTime":{"type":"integer","format":"int64","description":"Period end timestamp"},"startPrice":{"type":"string","description":"Starting price for this period"},"endPrice":{"type":"string","description":"Ending price for this period"}}}},"responses":{"BadRequestError":{"description":"Bad request - invalid parameters","content":{"application/json":{"schema":{"allOf":[{"$ref":"#/components/schemas/APIBaseResponse"},{"type":"object","properties":{"code":{},"msg":{}}}]}}}}}},"paths":{"/market/{marketId}":{"get":{"tags":["Market"],"summary":"Get binary market detail","description":"Get detailed information about a specific binary market","operationId":"getBinaryMarketDetail","parameters":[{"name":"marketId","in":"path","required":true,"description":"Market ID","schema":{"type":"integer","format":"int64"}}],"responses":{"200":{"description":"Successful response","content":{"application/json":{"schema":{"allOf":[{"$ref":"#/components/schemas/APIBaseResponse"},{"type":"object","properties":{"result":{"$ref":"#/components/schemas/MarketDetailResponse"}}}]}}}},"400":{"$ref":"#/components/responses/BadRequestError"}}}}}}
```

## Get categorical market detail

> Get detailed information about a specific categorical market including child markets

```json
{"openapi":"3.0.3","info":{"title":"OPINION Prediction Market OpenAPI","version":"1.0.0"},"tags":[{"name":"Market","description":"Market listing and details"}],"servers":[{"url":"https://openapi.opinion.trade/openapi","description":"Production server"}],"security":[{"ApiKeyAuth":[]}],"components":{"securitySchemes":{"ApiKeyAuth":{"type":"apiKey","in":"header","name":"apikey","description":"API key for authentication"}},"schemas":{"APIBaseResponse":{"type":"object","properties":{"code":{"type":"integer","description":"Response code (0 for success)"},"msg":{"type":"string","description":"Response message"},"result":{"type":"object","description":"Response data"}}},"MarketDetailResponse":{"type":"object","properties":{"data":{"$ref":"#/components/schemas/MarketData"}}},"MarketData":{"type":"object","properties":{"marketId":{"type":"integer","format":"int64","description":"Market ID"},"marketTitle":{"type":"string","description":"Market title"},"status":{"type":"integer","description":"Market status: 1=Created, 2=Activated, 3=Resolving, 4=Resolved, 5=Failed, 6=Deleted","enum":[1,2,3,4,5,6]},"statusEnum":{"type":"string","description":"Human-readable status","enum":["Created","Activated","Resolving","Resolved","Failed","Deleted"]},"marketType":{"type":"integer","description":"Market type: 0=Binary, 1=Categorical","enum":[0,1]},"childMarkets":{"type":"array","items":{"$ref":"#/components/schemas/ChildMarketData"},"description":"Child markets (for categorical markets)"},"yesLabel":{"type":"string","description":"Yes outcome label"},"noLabel":{"type":"string","description":"No outcome label"},"rules":{"type":"string","description":"Market rules"},"yesTokenId":{"type":"string","description":"Yes outcome token ID"},"noTokenId":{"type":"string","description":"No outcome token ID"},"conditionId":{"type":"string","description":"Condition ID"},"resultTokenId":{"type":"string","description":"Result token ID (after resolution)"},"volume":{"type":"string","description":"Total trading volume"},"volume24h":{"type":"string","description":"24-hour trading volume"},"volume7d":{"type":"string","description":"7-day trading volume"},"quoteToken":{"type":"string","description":"Quote token address"},"chainId":{"type":"string","description":"Chain ID"},"questionId":{"type":"string","description":"Question ID"},"incentiveFactor":{"type":"object","description":"Incentive factor (masked as empty object)"},"collection":{"$ref":"#/components/schemas/CollectionDataOpenAPI","description":"Collection market detail if any"},"createdAt":{"type":"integer","format":"int64","description":"Creation timestamp"},"cutoffAt":{"type":"integer","format":"int64","description":"Cutoff timestamp"},"resolvedAt":{"type":"integer","format":"int64","description":"Resolution timestamp"}}},"ChildMarketData":{"type":"object","properties":{"marketId":{"type":"integer","format":"int64"},"marketTitle":{"type":"string"},"status":{"type":"integer"},"statusEnum":{"type":"string"},"yesLabel":{"type":"string"},"noLabel":{"type":"string"},"rules":{"type":"string"},"yesTokenId":{"type":"string"},"noTokenId":{"type":"string"},"conditionId":{"type":"string"},"resultTokenId":{"type":"string"},"volume":{"type":"string"},"quoteToken":{"type":"string"},"chainId":{"type":"string"},"questionId":{"type":"string"},"createdAt":{"type":"integer","format":"int64"},"cutoffAt":{"type":"integer","format":"int64"},"resolvedAt":{"type":"integer","format":"int64"}}},"CollectionDataOpenAPI":{"type":"object","description":"Collection market data (for recurring/time-series markets)","properties":{"title":{"type":"string","description":"Collection title"},"symbol":{"type":"string","description":"Collection symbol"},"frequency":{"type":"string","description":"Collection frequency (e.g., daily, weekly)"},"current":{"$ref":"#/components/schemas/CollectionMarketDataOpenAPI","description":"Current period market data"},"next":{"type":"array","items":{"$ref":"#/components/schemas/CollectionMarketDataOpenAPI"},"description":"Upcoming period markets"}}},"CollectionMarketDataOpenAPI":{"type":"object","description":"Collection market period data","properties":{"marketId":{"type":"integer","format":"int64","description":"Market ID"},"period":{"type":"string","description":"Period identifier"},"startTime":{"type":"integer","format":"int64","description":"Period start timestamp"},"endTime":{"type":"integer","format":"int64","description":"Period end timestamp"},"startPrice":{"type":"string","description":"Starting price for this period"},"endPrice":{"type":"string","description":"Ending price for this period"}}}},"responses":{"BadRequestError":{"description":"Bad request - invalid parameters","content":{"application/json":{"schema":{"allOf":[{"$ref":"#/components/schemas/APIBaseResponse"},{"type":"object","properties":{"code":{},"msg":{}}}]}}}}}},"paths":{"/market/categorical/{marketId}":{"get":{"tags":["Market"],"summary":"Get categorical market detail","description":"Get detailed information about a specific categorical market including child markets","operationId":"getCategoricalMarketDetail","parameters":[{"name":"marketId","in":"path","required":true,"description":"Market ID","schema":{"type":"integer","format":"int64"}}],"responses":{"200":{"description":"Successful response","content":{"application/json":{"schema":{"allOf":[{"$ref":"#/components/schemas/APIBaseResponse"},{"type":"object","properties":{"result":{"$ref":"#/components/schemas/MarketDetailResponse"}}}]}}}},"400":{"$ref":"#/components/responses/BadRequestError"}}}}}}
```

## Get market detail by slug

> Get detailed information about a specific market by slug (supports binary and categorical market routing)

```json
{"openapi":"3.0.3","info":{"title":"OPINION Prediction Market OpenAPI","version":"1.0.0"},"tags":[{"name":"Market","description":"Market listing and details"}],"servers":[{"url":"https://openapi.opinion.trade/openapi","description":"Production server"}],"security":[{"ApiKeyAuth":[]}],"components":{"securitySchemes":{"ApiKeyAuth":{"type":"apiKey","in":"header","name":"apikey","description":"API key for authentication"}},"schemas":{"APIBaseResponse":{"type":"object","properties":{"code":{"type":"integer","description":"Response code (0 for success)"},"msg":{"type":"string","description":"Response message"},"result":{"type":"object","description":"Response data"}}},"MarketDetailResponse":{"type":"object","properties":{"data":{"$ref":"#/components/schemas/MarketData"}}},"MarketData":{"type":"object","properties":{"marketId":{"type":"integer","format":"int64","description":"Market ID"},"marketTitle":{"type":"string","description":"Market title"},"status":{"type":"integer","description":"Market status: 1=Created, 2=Activated, 3=Resolving, 4=Resolved, 5=Failed, 6=Deleted","enum":[1,2,3,4,5,6]},"statusEnum":{"type":"string","description":"Human-readable status","enum":["Created","Activated","Resolving","Resolved","Failed","Deleted"]},"marketType":{"type":"integer","description":"Market type: 0=Binary, 1=Categorical","enum":[0,1]},"childMarkets":{"type":"array","items":{"$ref":"#/components/schemas/ChildMarketData"},"description":"Child markets (for categorical markets)"},"yesLabel":{"type":"string","description":"Yes outcome label"},"noLabel":{"type":"string","description":"No outcome label"},"rules":{"type":"string","description":"Market rules"},"yesTokenId":{"type":"string","description":"Yes outcome token ID"},"noTokenId":{"type":"string","description":"No outcome token ID"},"conditionId":{"type":"string","description":"Condition ID"},"resultTokenId":{"type":"string","description":"Result token ID (after resolution)"},"volume":{"type":"string","description":"Total trading volume"},"volume24h":{"type":"string","description":"24-hour trading volume"},"volume7d":{"type":"string","description":"7-day trading volume"},"quoteToken":{"type":"string","description":"Quote token address"},"chainId":{"type":"string","description":"Chain ID"},"questionId":{"type":"string","description":"Question ID"},"incentiveFactor":{"type":"object","description":"Incentive factor (masked as empty object)"},"collection":{"$ref":"#/components/schemas/CollectionDataOpenAPI","description":"Collection market detail if any"},"createdAt":{"type":"integer","format":"int64","description":"Creation timestamp"},"cutoffAt":{"type":"integer","format":"int64","description":"Cutoff timestamp"},"resolvedAt":{"type":"integer","format":"int64","description":"Resolution timestamp"}}},"ChildMarketData":{"type":"object","properties":{"marketId":{"type":"integer","format":"int64"},"marketTitle":{"type":"string"},"status":{"type":"integer"},"statusEnum":{"type":"string"},"yesLabel":{"type":"string"},"noLabel":{"type":"string"},"rules":{"type":"string"},"yesTokenId":{"type":"string"},"noTokenId":{"type":"string"},"conditionId":{"type":"string"},"resultTokenId":{"type":"string"},"volume":{"type":"string"},"quoteToken":{"type":"string"},"chainId":{"type":"string"},"questionId":{"type":"string"},"createdAt":{"type":"integer","format":"int64"},"cutoffAt":{"type":"integer","format":"int64"},"resolvedAt":{"type":"integer","format":"int64"}}},"CollectionDataOpenAPI":{"type":"object","description":"Collection market data (for recurring/time-series markets)","properties":{"title":{"type":"string","description":"Collection title"},"symbol":{"type":"string","description":"Collection symbol"},"frequency":{"type":"string","description":"Collection frequency (e.g., daily, weekly)"},"current":{"$ref":"#/components/schemas/CollectionMarketDataOpenAPI","description":"Current period market data"},"next":{"type":"array","items":{"$ref":"#/components/schemas/CollectionMarketDataOpenAPI"},"description":"Upcoming period markets"}}},"CollectionMarketDataOpenAPI":{"type":"object","description":"Collection market period data","properties":{"marketId":{"type":"integer","format":"int64","description":"Market ID"},"period":{"type":"string","description":"Period identifier"},"startTime":{"type":"integer","format":"int64","description":"Period start timestamp"},"endTime":{"type":"integer","format":"int64","description":"Period end timestamp"},"startPrice":{"type":"string","description":"Starting price for this period"},"endPrice":{"type":"string","description":"Ending price for this period"}}}},"responses":{"BadRequestError":{"description":"Bad request - invalid parameters","content":{"application/json":{"schema":{"allOf":[{"$ref":"#/components/schemas/APIBaseResponse"},{"type":"object","properties":{"code":{},"msg":{}}}]}}}}}},"paths":{"/market/slug/{slug}":{"get":{"tags":["Market"],"summary":"Get market detail by slug","description":"Get detailed information about a specific market by slug (supports binary and categorical market routing)","operationId":"getMarketDetailBySlug","parameters":[{"name":"slug","in":"path","required":true,"description":"Market slug","schema":{"type":"string"}}],"responses":{"200":{"description":"Successful response","content":{"application/json":{"schema":{"allOf":[{"$ref":"#/components/schemas/APIBaseResponse"},{"type":"object","properties":{"result":{"$ref":"#/components/schemas/MarketDetailResponse"}}}]}}}},"400":{"$ref":"#/components/responses/BadRequestError"}}}}}}
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.opinion.trade/developer-guide/opinion-open-api/market.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.