PreAuth (Instacash) · Authentication Profile

Preauth Instacash Authentication

Authentication

PreAuth (Instacash) secures its APIs with apiKey across 1 declared security scheme, as derived from its OpenAPI definitions.

CompanyPaymentsPayment Pre-AuthorizationPayment GuaranteesFintechLatin AmericaCards
Methods: apiKey Schemes: 1 OAuth flows: API key in: header

Security Schemes

apiToken apiKey
· in: header ()

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-20'
method: searched
source: https://docs.preauth.io/api-rest.md ; https://docs.preauth.io/primeros-pasos.md
docs: https://docs.preauth.io/api-rest.md#autenticacion
summary:
  types: [apiKey]
  api_key_in: [header]
  oauth2_flows: []
schemes:
  - name: apiToken
    type: apiKey
    in: header
    parameter_name: x-auth-token
    description: >-
      API token sent in the x-auth-token header on every request. Issued in the
      developer panel (https://dashboard.preauth.io/panel/devs). Test tokens carry a
      token_test_ prefix; production tokens are issued after a certification call.
    sources: [openapi/preauth-instacash-orders-openapi.yml]