6 docs tagged with "Security"

Prevent duplicate mutations when retrying failed API requests by providing unique idempotency keys with your requests.

Understand PCI DSS compliance levels and determine your requirements. Use Highnote SDKs with tokenization to reduce your PCI scope to SAQ-A.

Rotate your API keys to maintain security. Create new keys, update your applications, and revoke old keys through the Highnote Dashboard.

Reference for PIN entry with version 1 of the Secure Inputs SDK (renderFields). The Set PIN SDK replaces it for new integrations and is documented separately.

Build custom payment card input fields that tokenize card data securely via iframe using the Secure Inputs SDK.

Let cardholders securely set their card PIN from your UI with the Set PIN SDK (createSetPin). The PIN is entered in a Highnote-hosted iframe and never reaches your page or servers.