openapi: 3.1.0 info: title: Financial Modeling Prep Quote API description: Financial Modeling Prep (FMP) Quote API — part of the FMP stable REST API. Generated from the official FMP API documentation (https://site.financialmodelingprep.com/api-docs.md). Legacy /api/v3 and /api/v4 endpoints have been discontinued; the stable base URL https://financialmodelingprep.com/stable is the supported surface. version: stable contact: name: Financial Modeling Prep url: https://site.financialmodelingprep.com/ servers: - url: https://financialmodelingprep.com/stable description: Financial Modeling Prep stable API security: - apiKeyQuery: [] - apiKeyHeader: [] tags: - name: Quote paths: /quote: get: operationId: getQuote summary: Get real-time stock quote description: Get real-time stock quote. Documented at https://site.financialmodelingprep.com/developer/docs. tags: - Quote parameters: - name: symbol in: query required: true schema: type: string example: AAPL responses: '200': description: Quote data content: application/json: schema: type: array items: $ref: '#/components/schemas/Quote' example: - symbol: AAPL name: Apple Inc. price: 232.8 changePercentage: 2.1008 change: 4.79 volume: 44489128 dayLow: 226.65 dayHigh: 233.13 yearHigh: 260.1 yearLow: 164.08 marketCap: 3500823120000 priceAvg50: 240.2278 priceAvg200: 219.98755 exchange: NASDAQ open: 227.2 previousClose: 228.01 timestamp: 1738702801 '401': description: Invalid or missing API key content: application/json: schema: $ref: '#/components/schemas/Error' example: Error Message: Invalid API KEY. Feel free to create a Free API Key or visit https://site.financialmodelingprep.com/faqs?search=why-is-my-api-key-invalid for more information. components: securitySchemes: apiKeyQuery: type: apiKey in: query name: apikey description: FMP API key passed as a query parameter (?apikey=YOUR_API_KEY, or &apikey= when other query parameters exist). apiKeyHeader: type: apiKey in: header name: apikey description: 'FMP API key passed in the request header as apikey: YOUR_API_KEY.' schemas: Quote: type: object properties: symbol: type: string name: type: string price: type: number changePercentage: type: number change: type: number volume: type: integer dayLow: type: number dayHigh: type: number yearHigh: type: number yearLow: type: number marketCap: type: integer priceAvg50: type: number priceAvg200: type: number exchange: type: string open: type: number previousClose: type: number timestamp: type: integer Error: type: object properties: Error Message: type: string description: 'FMP error envelope, e.g. {"Error Message": "Invalid API KEY. ..."}'