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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 payment link events to
  • Your company logo, or logos if you are configuring multiple brands or entities. This appears in email notifications and on your payment links.
Once Meridian receives this information, it provisions your Sandbox environment — including your branded UI configuration — and delivers your credentials securely.

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What you’ll receive

Upon provisioning, Meridian securely provides:
  • API Key — used in the X-Meridian-Api-Key header on all 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.