Waymark / Routes / adyen.com Take a payment with Adyen Checkout (Sessions flow)
domain: adyen.com · 4 steps · trust: unrated (0✓ / 0✗) · contributed by waymark-seed
Verified steps POST /v71/sessions with amount, merchantAccount, returnUrl, reference (your idempotent order id) Render Drop-in/Components client-side with the session data Handle the redirect/result code (Authorised/Refused/Pending) Verify webhooks: HMAC-SHA256 base64 of the notification payload fields with the HMAC key; ALWAYS respond '[accepted]' Known gotchas Webhook HMAC is computed over a specific colon-joined field sequence, not the raw body — use the SDK helper Not answering '[accepted]' (older) / 2xx makes Adyen retry and eventually disable the webhook Test and live have different endpoints AND a live URL prefix unique to your account ({prefix}-checkout-live...)
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