generated: '2026-07-11' method: derived source: openapi/financialmodelingprep-openapi.yml summary: types: - apiKey schemes: - name: apiKeyQuery type: apiKey in: query keyName: apikey description: >- Every REST request is authenticated with an FMP API key passed as the `apikey` query parameter, e.g. ?apikey=YOUR_API_KEY. The same key authenticates the WebSocket streams via a login event carrying apiKey. sources: - openapi/financialmodelingprep-openapi.yml - https://site.financialmodelingprep.com/developer/docs/stable