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Dock Lighthouse

Welcome to Dock Lighthouse! You'll find comprehensive guides and documentation to help you start working with our products as quickly as possible, as well as support if you get stuck. Let's jump right in!

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What is Pix?

The Instant Payment Arrangement (Pix) is a payment arrangement regulated by the Central Bank of Brazil (BACEN) and developed to process transactions within seconds at any day and time (including weekends and holidays), at low cost to the payer. Its engine is the Instant Payment System (SPI), which is responsible for ensuring Real Time Gross Settlement (RTGS).

Pix logo. Representation provided by the official website of the Central Bank of Brazil, available at https://www.bcb.gov.br/estabilidadefinanceira/pagamentosinstantaneos.

DICT


All keys/nicknames used to identify instant payment accounts are stored at the Transactional Account Identifier Directory (DICT) and the DICT API is the service to search details from this directory, both provided by the Pix arrangement. These key/nickname types are:

  • National registration (CPF or CNPJ);
  • Email address;
  • Cell phone number;
  • Virtual Payment Address (EVP)

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Account Identification

It is possible to have up to 5 (five) keys to identify a single account (CPF, CNPJ, EMAIL, PHONE NUMBER and EVP). The keys are unique to their bound account, which means they can not be used as an identifier for other accounts.

Transaction Types


The Pix arrangement will allow transactions to be performed from:

  • DICT Keys
  • Static QR Codes
  • Dynamic QR Codes

Static QR Codes vs. Dynamic QR Codes

Static QR codes can allow multiple transactions to be performed from a single QR code. That means it is possible to define fixed prices for a product or even let the payer insert an amount, which is ideal for small retailers, service providers, and individuals.

Dynamic QR codes, in turn, are exclusive for each transaction, which means they can only be used once. However, in addition to the amount, it allows inserting other information as the payee identification.

Roles


The parties within the Pix are divided into the following roles:

  • Payer: Paying or transferring customer;
  • Payee: Whoever receives the amount;
  • Direct Participants: Financial Institutions or Payment Institutions that have accounts in BACEN for settlement.
  • Indirect Participants: Fintechs, Payment Accounts, and others that do NOT have an account at BACEN.
  • Service Providers: Softwares and institutions where the user holds payment accounts;
  • Infrastructure and Settlement: The SPI.

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Connections

Direct Participants can also connect to other Direct Participants, however they are limited to connect only to 1 (one) other Direct Participant.

Instant Payment System (SPI)


The SPI is an infrasctructure regulated by BACEN's Circular No. 4,027, from June 12th, 2020, developed to centralize the settlement of instant payments between different institutions in Brazil. This system is set to be released at November 2020 and will allow transfer postings to occur directly from the paying user account to the receiving user account, through DICT Keys, without the need of intermediaries, which leads to lower transaction costs.

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Mandatory Participation

According to article 4 of BACEN's Circular No. 3,985, from February 18th, 2020, the participation in Pix is mandatory only for financial institutions and payment institutions authorized to operate by BACEN with more than 500,000 (five hundred thousand) active customer accounts, considering cash deposit accounts, savings deposit accounts and prepaid payment accounts.

Acessing the SPI

The SPI is connected to the National Financial System Network (RSFN), that being said it is necessary to be a Direct Participant to directly access the SPI system. However, Indirect Participants can connect to Direct Participants.

SPI Access flow. Representation provided by the official website of the Central Bank of Brazil, available at https://www.bcb.gov.br/en/financialstability/spi_en.

Dock Participation


Dock will offer services related to Pix in two models:

  • Pix Banking as a Service (Pix BaaS);
  • Pix Fintech as a Service (Pix FaaS).

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Development Status

You can click here to follow the development status of our Pix BaaS API.

Pix Banking as a Service (Pix BaaS)

Pix BaaS flow.

The Pix BaaS connects a Pix non-participant partner to Dock, as an Indirect Participant, which calls a Direct Participant partner to access the SPI. All the regulatory, treasury, and accounting processes are done by Dock itself.

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Application

This model applies to BaaS partners, where the payment account of their bearers is issued by Dock.

Pix Fintech as a Service (Pix FaaS)

Pix FaaS flow.

The Pix FaaS is a model to provide technology to a Pix Direct Participant partner. All partners in this model already have the BACEN's license to operate the SPI messages. So in this context, as they already have a payment account at Dock, or are interested in having it, they integrate with Dock to be able to integrate with BACEN.

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Application

This model applies to FaaS partners, where the payment account of their bearers is issued by themselves.

Updated 2 months ago


What is Pix?


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