Paychex · Authentication Profile

Paychex Developer Authentication

Authentication

Paychex secures its APIs with oauth2 across 1 declared security scheme, as derived from its OpenAPI definitions. OAuth 2.0 is offered via the clientCredentials flow(s).

BenefitsHCMHRPaychex FlexPayrollTime and AttendanceWorkforceFortune 1000
Methods: oauth2 Schemes: 1 OAuth flows: clientCredentials API key in:

Security Schemes

oauth2ClientCredentials oauth2
· flows: clientCredentials

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/paychex-payroll-companies-openapi.yml, openapi/paychex-time-openapi.yml, openapi/paychex-workers-openapi.yml
summary:
  types:
  - oauth2
  oauth2_flows:
  - clientCredentials
schemes:
- name: oauth2ClientCredentials
  type: oauth2
  flows:
  - flow: clientCredentials
    tokenUrl: https://api.paychex.com/auth/oauth/v2/token
    scopes: 0
  sources:
  - openapi/paychex-payroll-companies-openapi.yml
  - openapi/paychex-time-openapi.yml
  - openapi/paychex-workers-openapi.yml