openapi: 3.1.0 info: title: Financial Modeling Prep Historical Price Full API description: Financial Modeling Prep (FMP) Historical Price Full 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: Historical Price Full paths: /historical-price-eod/full: get: operationId: getHistoricalPrice summary: Get full historical end-of-day prices for a symbol description: Get full historical end-of-day prices for a symbol. Documented at https://site.financialmodelingprep.com/developer/docs. tags: - Historical Price Full parameters: - name: symbol in: query required: true schema: type: string example: AAPL - name: from in: query required: false schema: type: string format: date example: '2026-01-27' - name: to in: query required: false schema: type: string format: date example: '2026-04-27' responses: '200': description: Historical Price Full data content: application/json: schema: type: array items: $ref: '#/components/schemas/HistoricalPrice' example: - symbol: AAPL date: '2026-06-05' open: 312.86 high: 315.17 low: 307.15 close: 307.34 volume: 65310502 change: -5.52 changePercent: -1.76 vwap: 310.63 '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: HistoricalPrice: type: object properties: symbol: type: string date: type: string open: type: number high: type: number low: type: number close: type: number volume: type: integer change: type: number changePercent: type: number vwap: type: number Error: type: object properties: Error Message: type: string description: 'FMP error envelope, e.g. {"Error Message": "Invalid API KEY. ..."}'