Start a credit top-up checkout
Billing
Start a credit top-up checkout
Starts hosted checkout to add prepaid credits (minimum 400). Top-up credits never expire and are spent after the monthly allowance. Pass idempotencyKey so retries do not duplicate purchases; exact duplicates may return a conflict. Requires active billing and the organization owner.
POST
Start a credit top-up checkout
Authorizations
Cactal API key. Create one in the dashboard or via POST /apiKeys. The plaintext key is shown once at creation.
Body
application/json
Response
Checkout result for the top-up.
Hosted checkout URL to redirect the customer to. null when the change was applied directly without a payment step.