Financial Modeling Prep · Authentication Profile

Financial Modeling Prep Authentication

Authentication

Financial Modeling Prep secures its APIs with apiKey across 2 declared security schemes, as derived from its OpenAPI definitions.

Financial DataMarket DataStocksQuotesFundamentalsFinancial StatementsHistorical
Methods: apiKey Schemes: 2 OAuth flows: API key in: query, header

Security Schemes

apiKeyQuery apiKey
· in: query (apikey)
apiKeyHeader apiKey
· in: header (apikey)

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-22'
method: searched
source: openapi/ securitySchemes + https://site.financialmodelingprep.com/api-docs.md
docs: https://site.financialmodelingprep.com/developer/docs
summary:
  types:
  - apiKey
  api_key_in:
  - query
  - header
  oauth2_flows: []
schemes:
- name: apiKeyQuery
  type: apiKey
  in: query
  parameter: apikey
  notes: Append ?apikey=YOUR_API_KEY to every request; use &apikey= when other query parameters exist.
  sources:
  - openapi/financial-modeling-prep-quote-api-openapi.yml
- name: apiKeyHeader
  type: apiKey
  in: header
  parameter: apikey
  notes: 'Alternatively include the API key in the request header as apikey: YOUR_API_KEY.'
  sources:
  - openapi/financial-modeling-prep-quote-api-openapi.yml
notes: API keys are issued on signup (https://site.financialmodelingprep.com/register). The platform publishes RFC
  8414 OAuth authorization-server metadata at /.well-known/oauth-authorization-server, but OAuth is not a documented
  authentication method for the market-data API.