Public developer portal
Production-first docs for checkout, PIX and recurring billing.
Start in sandbox, confirm webhook handling, then move the same integration to the authenticated merchant flows.
Start
5-minute path
- Read the overview and choose the sandbox environment.
- Run the quick charge test without sending a secret from the browser.
- Create server-side charges and subscriptions with keys
sk_test_.... - Verify idempotency, webhook signatures and status handling before go-live.
Sandbox
Safe browser test
This request is locked to the sandbox quick charge endpoint and never sends cookies or merchant secrets.
Request body
{
"amount_cents": 1290,
"payment_method": "pix"
}Ready for a browser-safe sandbox request
The browser never asks for a merchant key here. Use server-side guides for authenticated merchant calls.
Navigation
Command deck
Operations
Current public assets
- Sandbox API
- api.sandbox.mupag.com.br
- Production API
- api.mupag.com.br
- Dashboard
- qa.dashboard.mupag.com.br/app