flexyield-io · Authentication Profile

Flexyield Io Authentication

Authentication

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

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Methods: apiKey, http Schemes: 2 OAuth flows: API key in: header

Security Schemes

bearer http

scheme: bearer

x402 apiKey

· in: header (X-PAYMENT)

Source

Authentication Profile

generated: '2026-10-30'
method: derived
source: openapi/flexyield-io-openapi.json
summary:
  types:
  - apiKey
  - http
  api_key_in:
  - header
schemes:
- name: bearer
  type: http
  scheme: bearer
  description: Your FlexYield API key (fy_…). Free tier at https://flexyield.io/registration/new
  sources:
  - openapi/flexyield-io-openapi.json
- name: x402
  type: apiKey
  in: header
  parameter: X-PAYMENT
  description: 'x402 lane: the one-time credential (fyx_…) returned by POST https://flexyield.io/x402/redeem
    after a payment against the menu at https://flexyield.io/x402 (base); the redeem needs an
    EIP-191 signature by the paying wallet — the tx hash alone is public and is not a credential'
  sources:
  - openapi/flexyield-io-openapi.json

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