Stack Overflow · Authentication Profile

Stack Overflow Authentication

Authentication

Stack Overflow secures its APIs with http and oauth2 across 2 declared security schemes, as derived from its OpenAPI definitions. OAuth 2.0 is offered via the authorizationCode flow(s).

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Methods: http, oauth2 Schemes: 2 OAuth flows: authorizationCode API key in:

Security Schemes

bearerAuth http
scheme: bearer
oauth2 oauth2
· flows: authorizationCode

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/stack-overflow-for-teams-openapi.yml, openapi/stack-overflow-openapi.yml
summary:
  types:
  - http
  - oauth2
  oauth2_flows:
  - authorizationCode
schemes:
- name: bearerAuth
  type: http
  scheme: bearer
  description: Personal Access Token (PAT) authentication. Pass your PAT as a Bearer token in
    the Authorization header. Generate tokens from your Stack Overflow for Teams account settings.
  sources:
  - openapi/stack-overflow-for-teams-openapi.yml
- name: oauth2
  type: oauth2
  flows:
  - flow: authorizationCode
    authorizationUrl: https://stackoverflow.com/oauth
    tokenUrl: https://stackoverflow.com/oauth/access_token/json
    scopes: 3
  description: OAuth 2.0 authentication. Register an application at http://stackapps.com/apps/oauth
    to obtain credentials.
  sources:
  - openapi/stack-overflow-openapi.yml