Keys
The publishable key is a long alphanumeric string in three dot-separated sections. Copy it from Administration > API in the merchant dashboard.

Request headers
API base URLs
See Environments for CDN URLs, divisions, and dashboard links.
Key rotation
Rotate API keys and signing secrets on a schedule. Bolt supports rotation with no downtime.Prerequisites
- Your store uses the new Merchant Dashboard experience.
- Contact your CSM to enable the
merchant_dash_update_signing_secret_keysfeature flag.
Rotate signing secret
- Go to Administration > API, scroll to Signing Secret, and click Initiate Key Rotation.
- One key is Active and the new key is Pending. Both work during rotation. Validate the old key with
X-Bolt-Hmac-Sha256and the pending key withX-Bolt-Hmac-Sha256-Pending. - After your app accepts the new secret, click Complete Key Rotation to activate the pending key.
You can revert to the previous signing secret for up to 48 hours. The signing secret table shows time remaining. Select Revert Key Rotation to roll back.