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n8n-nodes-selectwin

v0.1.2

Published

n8n community node for Selectwin — payments (PIX, card, boleto), customers, products, payment links, subscriptions and webhooks.

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Links

Git

Maintainers

selectwinselectwin

Keywords

n8n-community-node-packageselectwinpaymentspixboletowebhooks

Readme

n8n-nodes-selectwin

Official Selectwin community node for n8n — operate the Selectwin payments API (PIX, card, boleto, customers, products, payment links, subscriptions) and react to webhooks, without writing code.

Status: early / work in progress (0.1.0). Two nodes: Selectwin (API operations) and Selectwin Trigger (signed webhook events).

What it is

  • Selectwin node — declarative API node covering the curated day-to-day surface of the API: create charges, manage customers/products/payment links, read balance, receivables and withdrawals.
  • Selectwin Trigger node — registers a webhook on the API for the events you pick, verifies every delivery's signature (constant-time, replay-proof) and emits the full event envelope into your workflow.
  • Zero runtime dependencies. Auth is your SelectKey; every POST carries an automatic X-Idempotency-Key.

Install

n8n GUI (community nodes)

  1. In n8n go to Settings → Community Nodes → Install.
  2. Enter n8n-nodes-selectwin and confirm.

Manual (self-hosted)

cd ~/.n8n/nodes   # your n8n custom/community nodes folder
npm install n8n-nodes-selectwin

Restart n8n afterwards.

Credentials

Create a Selectwin API credential:

| Field | Value | |-------|-------| | API Key | your SelectKey — sk_test_… (sandbox) or sk_live_… (production) | | Base URL | https://api.selectwin.io (default; leave as is) |

The environment is decided by the key prefix, not the URL. The credential test calls GET /v1/balance. Requests authenticate with the selectkey header.

The Selectwin node

| Resource | Operations | |----------|------------| | Transaction | Create (PIX / boleto / saved card, customer by ID or inline), Get, Get Many (status/method/customer filters), Refund, Capture | | Customer | Create, Get, Get Many, Update, Delete | | Product | Create, Get, Get Many, Update, Delete | | Variant | Get, Get Many, Get Many by Product | | Payment Link | Create (the response's accessFullUrl is the shareable URL), Get, Get Many, Update, Delete | | Checkout Session | Create (JSON body pass-through), Get, Get Many | | Subscription | Get, Get Many, Cancel, Pause, Resume | | Coupon | Validate, Get, Get Many | | Balance | Get, Get History | | Receivable | Get, Get Many | | Withdrawal | Get, Get Many |

List operations page with Limit/Offset; the API answers with a { data[], hasMore, total, page } envelope.

The Selectwin Trigger

Pick one or more events from the full API catalog (transaction.approved, transaction.refunded, subscription.canceled, checkout.session.completed, …). On activation the node registers the webhook via POST /v1/webhooks and stores the returned secret; on deactivation it deletes it.

Every delivery is verified before your workflow runs:

  • x-selectwin-signature-v1: t=<unix>,v1=<hmac-sha256-hex("<t>.<body>", secret)> — preferred, replay-proof (default tolerance 300 s, configurable under Options);
  • x-selectwin-signature: sha256=<hmac-sha256-hex(body, secret)> — legacy fallback.

Verification runs over the raw received bytes with constant-time comparison. Invalid or unsigned deliveries are rejected with 401 and never reach your workflow.

Custom API Call

The Selectwin API credential is also usable as a predefined credential type in n8n's built-in HTTP Request node — an escape hatch to reach any endpoint of the API that the curated node does not cover yet.

Development

npm install
npm run typecheck   # tsc --noEmit
npm test            # vitest (webhook signature verification)
npm run build       # tsc + copy node icons into dist/

Roadmap

  • Auto-pagination (Return All) for list operations.
  • Subscription create (catalog-strict model needs recurring variants).
  • Withdrawal create (financial write — gated for a later phase).
  • Submission as an n8n verified community node.