PayFast · Authentication Profile

Payfast Authentication

Authentication

PayFast secures its APIs with apiKey across 1 declared security scheme, as derived from its OpenAPI definitions.

PaymentsPayment GatewaySouth AfricaSubscriptionsRecurring BillingTokenizationInstant EFTQR Code PaymentsRefundsFintech
Methods: apiKey Schemes: 1 OAuth flows: API key in: header

Security Schemes

merchantAuth apiKey
· in: header (merchant-id)

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/openapi.yml
summary:
  types:
  - apiKey
  api_key_in:
  - header
schemes:
- name: merchantAuth
  type: apiKey
  in: header
  parameter: merchant-id
  description: PayFast API authentication uses an MD5 signature derived from the merchant ID,
    passphrase, timestamp, and request data. Required headers include merchant-id, version,
    timestamp, and signature.
  sources:
  - openapi/openapi.yml