Custom Checkout API

Called when a user builds a custom plan by selecting individual features.

Endpoint

POST /api/stripe/checkout/custom

Body

Your project’s Share ID

string[]

required

Array of feature names the user selected

string

Customer email

string

"monthly", "3months", "6months", "9months", or "12months"

number

Number of users (for per-user pricing)

object

Usage amounts per feature. Keys are feature names, values are quantities.

Example request

{
  "shareId": "nTZ7axXQHU",
  "selectedFeatures": ["AI Prompt", "Dashboard"],
  "email": "user@example.com",
  "subscriptionDuration": "monthly",
  "userCount": 1,
  "featureUsageAmounts": {
    "API Calls": 500
  }
}

Response

{
  "url": "https://checkout.stripe.com/c/pay/cs_live_..."
}

Metadata stored

The checkout session stores feature details in metadata for later retrieval via the Receipt API:

{
  "customPlan": "true",
  "projectId": "203",
  "featureDetails_0": "[{\"name\":\"AI Prompt\",\"price\":10,...}]"
}

Overview

Public Endpoints

API v1 — Projects

API v1 — Features

API v1 — Plans

API v1 — Plan Features

Custom Checkout API

Endpoint

Body

Example request

Response

Metadata stored

​Endpoint

​Body

​Example request

​Response

​Metadata stored

Endpoint

Body

Example request

Response

Metadata stored