generated: '2026-09-26' method: searched generator: extract-docs-artifacts.py (local) source: https://api-docs.bumper.co/bumper-api-documentation/authentication.md sources: - https://api-docs.bumper.co/bumper-api-documentation/authentication.md - https://api-docs.bumper.co/bumper-api-documentation/reference/payment-solutions/payplus-subscriptions/setup-subscription.md - https://api-docs.bumper.co/bumper-api-documentation/reference/payment-solutions/payplus-subscriptions/setup-subscription/example-request.md description: Authentication requires generating a hashed message authentication code (HMAC-SHA256). schemes: - type: hmac name: HMAC-SHA256 evidence: Authentication requires generating a hashed message authentication code (HMAC-SHA256). location: body how_to_obtain: A secret is provided by BUMPER and used to compute the signature hash; the api_key is supplier‑specific and provided by BUMPER. note: The signature and api_key are included in the request body as shown in the example payloads. docs: https://api-docs.bumper.co/bumper-api-documentation/authentication.md