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Requesting Sandbox credentials

Meridian provisions Sandbox access on request. To get started, contact your Solutions Engineer and provide the following:
  • Your organization’s name and country of operation
  • A technical point of contact (name and email)
  • The webhook URL you’d like Meridian to deliver transaction events to
  • The customer support site URL for your tech support team (if you have one)
  • The Credit API endpoint details for any withdrawal requests
  • Your company logo
  • Your primary and secondary brand colors (hex values preferred)
  • Your preference for whether Meridian should Auto-sweep USD funds from Virtual Accounts to local linked accounts
Once Meridian receives this information, it provisions your Sandbox environment — including your branded UI configuration — and delivers your credentials securely.

What you’ll receive

Upon provisioning, Meridian securely provides:
  • API Key — used in the X-Meridian-Api-Key header on all session API requests
  • API Secret — used to compute the HMAC SHA-256 request signature
  • Webhook API Key and Secret — a separate key pair used exclusively for authenticating inbound webhook events
These credentials are specific to your Sandbox environment. Meridian issues production credentials separately as part of the go-live process.