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Explore and unlock the full potential of our API, with detailed documentation and application examples.

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Documentation

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Integrating with Smart is very simple

We integrate with the main payment methods of each country!

Integration flow
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Our Payment API follows the main Protocols and Laws. All to ensure compliance and security in each transaction.

CIS | SSL Certificate | oAuth Authentication | Bearer Token | Signature for Webhook Notifications | End-to-end Encryption | WAF | LGPD | NIST's Cybersecurity Framework | ISO 27000 series | PCI DSS | HIPAA

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Top questions answered

FAQ Portal
What does SmartFastPay do?Toggle content

SmartFastPay Technology and Services is a Brazilian company that offers local payment methods for national or international websites. We process payments in local currency or market-specific solutions. To use our services, you must be registered on the partner Sites to whom we offer the services.


As SmartFastPay is a payment and technology company, we do not have the autonomy to cancel and/or decide any internal processes of our partners. Therefore, all information about delivery, tracking, refunds, and other details of your purchase should be requested directly from your shopping site.

How long does it take to confirm my payment?Toggle content

The payment processing time may vary according to the payment method used.


We do not have autonomy over the processing time since we depend on the settlement/confirmation of the bank. When we receive the payment confirmation from the bank, the transaction is automatically approved, and the credit is sent to the purchase site.


If the indicated processing time has exceeded the expected period, we ask that you contact the purchase site sending the payment voucher.


  • PIX: Instantaneous or up to 11 minutes
  • Traditional Boleto: Between 24h to 72h
  • Credit Card: Instantaneous
  • Debit Card: Instantaneous
  • TED Bank Transfer: If made within business hours, TED transfers can take up to 2 hours to be identified by the receiving bank and compensated in your contact's account. However, if transfers are made outside business hours or on weekends, they will be scheduled for the next business day.
  • DOC Bank Transfer: an option for transfers from one bank to another, when performed until 9:59 PM on a business day, the operation is compensated on the next business day. After this time and on weekends and holidays, the credit only occurs on the second business day.

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