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Fine-Grained Authorization

Quick Start

How Quick Start works in Paycux, what it is for, and the smallest setup that gets it running.

What you’ll build

Before you start, make sure you have the following in place:

  • A Paycux account with access to the project you are configuring.
  • An API key for the environment you are working in. Staging keys start with sk_test_; production keys start with sk_live_.
  • Admin access on the system you are connecting, so you can create the application and read its metadata.
  • A redirect URI registered in the Paycux dashboard under Developer → Redirects.

Configure resource types

Configure resource types is handled by Quick Start rather than by your application code. Paycux exposes it through the same API surface as the rest of the platform, so the client you already configured needs no additional setup.

Configuration lives in the dashboard and is versioned per environment. Change it in staging, confirm the behaviour, then apply the same change to production.

Create roles and permissions

Roles are defined once per project and assigned per organization membership, so the same person can be an admin in one organization and a viewer in another.

Check permissions on the server, in the request path, using the permission slug rather than the role name. Role names change; slugs are stable.

Define permissions

Define permissions controls what the credential is allowed to do. Grant the narrowest set that lets the integration work, and widen it deliberately.

Scopes are evaluated at the API boundary, so an over-broad token is a real risk even if your own code never uses the extra capability.

Define roles

Define roles applies specifically to Quick Start. It behaves the same in both environments, and the values it depends on are visible in the dashboard for the environment you have selected.

If the behaviour you see does not match this description, check which environment your API key belongs to before anything else — a staging key against production data is the most common cause.

Create resources

Create resources is handled by Quick Start rather than by your application code. Paycux exposes it through the same API surface as the rest of the platform, so the client you already configured needs no additional setup.

Configuration lives in the dashboard and is versioned per environment. Change it in staging, confirm the behaviour, then apply the same change to production.

Top-level resources

Top-level resources is handled by Quick Start rather than by your application code. Paycux exposes it through the same API surface as the rest of the platform, so the client you already configured needs no additional setup.

Configuration lives in the dashboard and is versioned per environment. Change it in staging, confirm the behaviour, then apply the same change to production.

Child resources

Child resources is handled by Quick Start rather than by your application code. Paycux exposes it through the same API surface as the rest of the platform, so the client you already configured needs no additional setup.

Configuration lives in the dashboard and is versioned per environment. Change it in staging, confirm the behaviour, then apply the same change to production.