FLOWLOGIC
curriculum
module /api-auth-patterns

API Authentication Patterns: OAuth2, API Keys & JWT

lvl 2requires: webhook-fundamentalsstatus: open

outcome

Authenticate against any real-world API: OAuth2 flows, API keys, JWTs — and store credentials safely.

units

  1. U1

    OAuth2 in practice

    auth-code + PKCE, refresh rotation

  2. U2

    API keys done right

    scoping, rotation, vaulting

  3. U3

    JWT verification

    JWKS, clock skew, audience checks

  4. U4

    Credential hygiene

    least privilege, secret managers

sandbox validation — how you pass

Build the flow in your engine and run it. When it works, export the flow JSON and send this payload to your unique validation URL. Headers and structure are verified server-side; the module flips to COMPLETED only on a correct hit.

POST https://learnflowlogic.com/api/sandbox/{your-webhook-id}
X-FlowLogic-Signature: hmac-sha256=<hex digest of the raw body>

{
  "module": "api-auth-patterns",
  "artifact": {
    "flow_id": "<flow id from your engine URL>",
    "run_evidence": { "status": 200, "attempts": 1 }
  }
}

Sign in to get your unique validation URL and signing secret.

zero-cost sandbox // api authentication patterns: oauth2, api