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ConnectPSP developer docs

Documentation designed for developers building with ConnectPSP.

This documentation is built for developers who need a clear path from setup to production. Use Ask AI as a smart way to resolve questions faster, understand flows, and find the right technical details when you need them.

Start with Initial SetupExplore API Reference
PIX Cash-InCash-OutWebhooksOpen FinanceAsync Settlement
<15 minto reach your first authenticated flow
2 headersto authenticate every non-token request
1 pathto start: Initial Setup
Fast track

Ship the first transaction fast

The primary path starts with setup, then moves directly into a request you can authenticate, replay, and validate end-to-end.

cURL
curl -X POST https://api.homologacao.connectpsp.com/cash-in \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
  -H "ApplicationToken: YOUR_APP_TOKEN" \
  -H "X-Idempotency-Key: $(uuidgen)" \
  -H "Content-Type: application/json" \
  -d '{
    "amount": 10.00,
    "externalReference": "test-order-001",
    "webhookUrl": "https://YOUR_DOMAIN/webhooks/connectpsp",
    "payer": {
      "name": "Test User",
      "document": "12345678909"
    }
  }'
Onboarding path

Make the first click obvious.

The documentation now prioritizes one clear path for new integrations: Initial Setup first, then the flow you want to validate in staging.

Initial Setup

Get credentials, choose the environment, generate your JWT, and prepare headers and webhook basics.

Start onboarding

Your First Cash-In

Generate a PIX QR Code, expose it to the payer, and confirm the payment with a webhook.

Open tutorial

Your First Cash-Out

Compute the DigitalSignature and send funds to a PIX key or bank account with async confirmation.

Open tutorial
Platform context

Built for high-complexity payment operations.

Single integration surface for PIX Cash-In, Cash-Out, balance visibility, and operational flows.
Webhook-first operation design, with polling only when you need extra assurance.
Security model ready for authenticated operations, idempotency, and DigitalSignature on sensitive flows.
Documentation system

Read the right thing at the right depth.

Use setup and quickstarts to move fast, guides to understand operational concepts, and the reference to verify exact contracts and responses.

Guides

Understand authentication, signatures, webhook processing, and operational concepts before scaling traffic.

Open Guides

API Reference

Navigate schemas, examples, headers, and responses with a more product-like technical reading experience.

Open API Reference

Quickstart flows

Move from setup to working transactions with step-by-step tutorials built for the first successful integration.

Open Quickstart flows
Need support?

Use the docs to integrate faster, then bring specialists in when needed.

Visit main websiteOpen error guide