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MuPag Docs

Payments, subscriptions and splits in one clear integration.

Operational APIs and guides to leave sandbox with charges, webhooks and production validated.

Start in sandboxExplore the API
MuPag mascot holding a coin

From key to a reliable sandbox

Your integration path, with no hidden steps.​

  1. 01Get your credentialOpen the sandbox and prepare your backend.
  2. 02Create a chargeSend the first idempotent transaction.
  3. 03Validate the webhookVerify signature, retries and replay safety.
  4. 04Prepare future live planningFinish sandbox hardening; live is not available yet.

What do you want to build?

Start with your product flow.​

View all guides
Accept PIXCharges, QR Code and real-time confirmation.Create checkoutSecure sessions for PIX and cards.Bill subscriptionsPlans and recurring lifecycle.Organize the catalogProducts, prices and coupons in one flow.Integrate affiliates and splitsCommissions, revenue splits and payouts.Receive webhooksAuthenticated events and resilient processing.

Sandbox integration

Create your first charge securely.​

Choose your language and run the authenticated request exclusively from your backend.

curl --request POST \
  --url https://api.sandbox.mupag.com.br/v1/charges \
  --header "Authorization: Bearer ${MUPAG_API_KEY}" \
  --header "Idempotency-Key: $(uuidgen)" \
  --header 'Content-Type: application/json' \
  --data '{"amount_cents":1290,"payment_method":"pix","customer":{"name":"Ana Silva","email":"ana@example.com","tax_id":"12345678909"}}'

Continue with the right context.​

OpenAPI ReferenceSchemas, responses and errors by endpoint.SDKs and toolsPostman, assisted integrations and AI resources.OperationsStatus, support, changelog and feedback.