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NotchPay

NotchPay powers payment collection for Langwa.

Setup checklist​

  1. Create a NotchPay merchant account.
  2. Generate API keys for the backend.
  3. Configure webhook endpoints in NotchPay for payment events.
  4. Store API keys and webhook secrets in the backend secret store.

Webhooks​

  • Ensure the backend validates webhook signatures.
  • Record webhook retries and idempotency keys to avoid duplicate charges.

Sandbox vs production​

Use separate API keys and webhook endpoints for sandbox and production environments.