Overview

Endpoint	Auth
Share API	None (public)
Checkout Payload	None (public)
Billing Plans API	None (public)
API v1 (`/api/v1/*`)	`Authorization: Bearer cpk_...`

Endpoint

Auth

Share API

None (public)

Checkout Payload

None (public)

Billing Plans API

None (public)

API v1 (/api/v1/*)

Authorization: Bearer cpk_...

Public Endpoints

GET /api/share/{shareId}

Get project data (plans, features, theme)

GET /api/share/{shareId}/checkout-payload

Get the price and features handed to your checkout

GET /api/billing/public/{shareId}

Get visible plans and features for the billing widget

Cuprice no longer runs checkout, and its old checkout endpoints are gone. The pricing page sends buyers to the checkout link you set, and your payment provider records the payment.

API v1 — Projects, Features, Plans

Projects

List, create, update, delete projects. Update theme and custom CSS.

Features

Manage feature backlog — standard, limits, and usage-based features.

Plans

Create, update, delete, and duplicate pricing plans.

Plan Features

Assign features to plans, set multipliers, remove features.

Subscription Events

Report subscriptions your checkout created, changed or canceled.

Quick Example

# List your projects
curl https://app.cuprice.io/api/v1/projects \
  -H "Authorization: Bearer cpk_your_key_here"

# Create a feature
curl https://app.cuprice.io/api/v1/projects/my-saas/features \
  -X POST \
  -H "Authorization: Bearer cpk_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"name": "AI Chat", "basePrice": 10}'

# Update theme with custom CSS
curl https://app.cuprice.io/api/v1/projects/my-saas \
  -X PUT \
  -H "Authorization: Bearer cpk_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"theme": {"primaryColor": "#7C3AED", "customCSS": ".cuprice-pricing-card { border-radius: 24px !important; }"}}'

Public Endpoints

API v1 — Projects

API v1 — Features

API v1 — Plans

API v1 — Plan Features

API v1 — Subscriptions

Overview

Base URL

Two API types

Authentication

Public Endpoints

GET /api/share/{shareId}

GET /api/share/{shareId}/checkout-payload

GET /api/billing/public/{shareId}

API v1 — Projects, Features, Plans

Projects

Features

Plans

Plan Features

Subscription Events

Quick Example

​Base URL

​Two API types

​Authentication

​Public Endpoints

GET /api/share/{shareId}

GET /api/share/{shareId}/checkout-payload

GET /api/billing/public/{shareId}

​API v1 — Projects, Features, Plans

Projects

Features

Plans

Plan Features

Subscription Events

​Quick Example

Base URL

Two API types

Authentication

Public Endpoints

API v1 — Projects, Features, Plans

Quick Example