Helcim · Authentication Profile

Helcim Authentication

Authentication

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

PaymentsCanadaPayment GatewayPayment ProcessingAcquiringMerchant ServicesACHInvoicingCard TerminalSmall Business
Methods: apiKey Schemes: 1 OAuth flows: API key in: header

Security Schemes

ApiAccessAuth apiKey
· in: header (api-token)

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-24'
method: searched
source: openapi/helcim-api.json + https://devdocs.helcim.com/docs/authentication-with-the-helcim-api-and-helcimpayjs
docs: https://devdocs.helcim.com/docs/authentication-with-the-helcim-api-and-helcimpayjs
summary:
  types:
  - apiKey
  api_key_in:
  - header
model: Permissioned API access token created per API Access Configuration in the Helcim dashboard. Each
  token carries granular per-resource permissions (e.g. General, Processing, Settings set to Read / PositiveTransaction
  / Admin) which gate individual operations.
schemes:
- name: ApiAccessAuth
  type: apiKey
  in: header
  parameter: api-token
  description: API Token with required permissions
  sources:
  - openapi/helcim-api.json