Account & Access
Can't log in? Sign-in problems and how to fix them
Wrong-password errors, reset links that won't work, choosing the right account, and getting back in.
Read article Account & AccessManaging team members, roles and permissions
Add people to your account, control what they can do with roles, and fix access problems.
Read article Account & AccessSigning in with Salesforce
How Salesforce sign-in works, how to set it up for your team, and what to do when it fails.
Read articlePayments
Creating a payment link
Set up a shareable checkout page, choose your options, and resolve failed or declined payments.
Read article PaymentsUnderstanding payment decline messages
What each decline message means and what your customer should do about it.
Read article PaymentsIssuing refunds and voids
Return funds to a customer, full or partial, and fix refunds that won't go through.
Read article PaymentsManaging customers and saved payment methods
Add and edit customers, save cards, and keep payment details up to date.
Read article PaymentsRegional payment methods: ACH, Boleto and PIX
Accept bank transfers and Brazil payment methods — settlement times, required fields, and what's supported where.
Read articleBilling & Subscriptions
Subscriptions and recurring billing
Charge customers on a schedule, handle failed renewals and dunning, and cancel cleanly.
Read article BillingCreating and sending invoices
Build an invoice, send it, get it paid, and fix the issues that come up.
Read article BillingSetting up products and prices
One-time vs recurring prices, and the rules for changing a price that's in use.
Read article BillingCoupons and promotion codes
Create discounts and codes, apply them, and fix codes that won't work.
Read articleIntegrations & Developers
Installing the Arca plugin for WooCommerce
Install, configure credentials, sell subscriptions, and fix setup and checkout errors.
Read article DevelopersWebhooks: setup, events and troubleshooting
Register a URL, see the events you can receive, and handle delivery and retries reliably.
Read article DevelopersDeveloper API quickstart
Base URLs, authentication, your first call, and the conventions you need to know.
Read articleReference