> ## Documentation Index > Fetch the complete documentation index at: https://docs.polyorderbooks.com/llms.txt > Use this file to discover all available pages before exploring further. # Get market details > Get detailed information about a specific market by ID or slug. Returns full market information, including tokens, description, and resolution status. ## OpenAPI ````yaml /openapi.json get /v1/markets/{id_or_slug} openapi: 3.1.0 info: title: PolyOrderbooks API description: > # PolyOrderbooks API Historical Polymarket **crypto** market data — discovery, prices, liquidity metrics, and L2 order books. Read paths query our historical data store; they never call Polymarket live. ## Base URL `https://api.polyorderbooks.com` ## Authentication All `/v1/*` data routes require an API key. Send `X-API-Key: pob_…` or `Authorization: Bearer pob_…`. Dashboard JWT session tokens are **not** accepted on data routes. ## Plans (hosted) | Plan | Req/min | Req/day | Finest resolution | History | | --- | --- | --- | --- | --- | | Starter | 60 | 1,000 | 60s | 7 days | | Pro | 300 | 50,000 | 1s | 31 days | | Scale | 1,000 | 200,000 | 1s | 90 days | ## Workflow 1. `GET /v1/markets` — discover 2. `GET /v1/markets/{id_or_slug}` — detail 3. `GET /v1/markets/{id_or_slug}/books` — history version: 0.1.0 servers: - url: https://api.polyorderbooks.com description: Production security: [] tags: - name: Discovery description: >- Discover series, events, and markets. Use returned ids or slugs in History endpoints. - name: History description: Historical metrics, prices, and L2 order book snapshots. - name: Utility description: Usage and account metadata. paths: /v1/markets/{id_or_slug}: get: tags: - Discovery summary: Get market details description: >- Get detailed information about a specific market by ID or slug. Returns full market information, including tokens, description, and resolution status. operationId: get_market_detail_v1_markets__id_or_slug__get parameters: - name: id_or_slug in: path required: true schema: type: string minLength: 1 maxLength: 200 description: Market ID or market slug. examples: - '618831' title: Id Or Slug description: Market ID or market slug. responses: '200': description: Detailed market object with tokens and resolution metadata. content: application/json: schema: $ref: '#/components/schemas/MarketDetailResponse' '401': description: API key is missing, invalid, or expired. content: application/json: example: detail: Invalid or expired API key. schema: $ref: '#/components/schemas/ErrorResponse' '404': description: Market ID/slug does not exist. content: application/json: example: detail: 'Market not found: nonexistent_market_id' schema: $ref: '#/components/schemas/ErrorResponse' '422': description: Validation error for one or more request parameters. content: application/json: example: detail: - loc: - query - limit msg: Input should be less than or equal to 1000 type: less_than_equal '429': description: Rate limit exceeded for the current API key. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: detail: Rate limit exceeded. Please try again later. '500': description: Unexpected server-side error. content: application/json: example: detail: Failed to fetch data. schema: $ref: '#/components/schemas/ErrorResponse' components: schemas: MarketDetailResponse: properties: id: type: string title: Id description: Unique market identifier. examples: - '618831' slug: type: string title: Slug description: Stable URL-friendly market slug. examples: - will-candidate-x-win-2025 question: anyOf: - type: string - type: 'null' title: Question description: Human-readable market question. examples: - Will Candidate X win the 2025 election? description: anyOf: - type: string - type: 'null' title: Description description: Long-form market description, if available. examples: - Resolves to YES if Candidate X wins the 2025 election. status: type: string title: Status description: Current market status. examples: - open start_date: anyOf: - type: string format: date-time - type: 'null' title: Start Date description: Market start timestamp in ISO 8601 format. examples: - '2025-09-01T00:00:00Z' end_date: anyOf: - type: string format: date-time - type: 'null' title: End Date description: Market end timestamp in ISO 8601 format. examples: - '2025-11-05T23:59:59Z' closed_at: anyOf: - type: string format: date-time - type: 'null' title: Closed At description: Timestamp when the market was closed. examples: - '2025-11-06T03:00:00Z' resolved_token_id: anyOf: - type: string - type: 'null' title: Resolved Token Id description: Winning token identifier when market is resolved. examples: - '12345' resolved_token_label: anyOf: - type: string - type: 'null' title: Resolved Token Label description: Winning token label when market is resolved. examples: - 'Yes' tokens: items: $ref: '#/components/schemas/TokenInfo' type: array title: Tokens description: All tokens for the market. type: object title: MarketDetailResponse description: Detailed response for `GET /markets/{id_or_slug}`. example: description: Resolves to YES if Candidate X wins the 2025 election. end_date: '2025-11-05T23:59:59Z' id: '618831' question: Will Candidate X win the 2025 election? slug: will-candidate-x-win-2025 start_date: '2025-09-01T00:00:00Z' status: open tokens: - id: '12345' label: 'Yes' - id: '12346' label: 'No' ErrorResponse: properties: detail: type: string title: Detail description: Human-readable error description. type: object title: ErrorResponse description: Generic API error response. TokenInfo: properties: id: type: string title: Id description: Unique token identifier. examples: - '12345' label: type: string title: Label description: Human-readable token label shown to users. examples: - 'Yes' type: object title: TokenInfo description: Token metadata for a market. ````