NOWPayments · Authentication Profile

Now Payments Authentication

Authentication

NOWPayments secures its APIs with apiKey and http across 2 declared security schemes, as derived from its OpenAPI definitions.

Crypto PaymentsCryptocurrencyPayment GatewayInvoicingSubscriptionsMass PayoutsBitcoinEthereum
Methods: apiKey, http Schemes: 2 OAuth flows: API key in: header

Security Schemes

ApiKeyAuth apiKey
· in: header (x-api-key)
BearerAuth http
scheme: bearer

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/openapi.yml
summary:
  types:
  - apiKey
  - http
  api_key_in:
  - header
schemes:
- name: ApiKeyAuth
  type: apiKey
  in: header
  parameter: x-api-key
  description: NOWPayments API key obtained from your merchant dashboard
  sources:
  - openapi/openapi.yml
- name: BearerAuth
  type: http
  scheme: bearer
  bearerFormat: JWT
  description: JWT token obtained from the /auth endpoint (required for mass payout operations)
  sources:
  - openapi/openapi.yml