Create Feature

Creates a new feature in the specified project. Each project can have a maximum of 50 features.

Endpoint

POST /api/v1/projects/{slug}/features

Authentication

string

required

Bearer token with your API key. Requires read_write permission.

Path Parameters

string

required

The project’s URL-friendly slug identifier.

Body Parameters

string

required

Feature display name.

string

Description of the feature.

number

required

Base price for this feature. Must be >= 0.

boolean

Whether this feature tracks usage or has limits.

string

Type of feature. One of:

"Standart" — simple included/not-included feature
"Limits" — feature with a usage limit
"Usage Based" — metered usage feature

number

Default usage count or limit value. Relevant for "Limits" and "Usage Based" types.

string

Condition label displayed with the count (e.g. "Up to", "Unlimited").

number

Price per unit of usage. Relevant for "Usage Based" type.

string

How usage events are aggregated (e.g. "count", "sum").

Response

Returns the created feature object with status 201 Created.

Example — Standard Feature

curl -X POST https://cuprice.io/api/v1/projects/my-saas-app/features \
  -H "Authorization: Bearer cpk_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Priority Support",
    "description": "24/7 priority email and chat support",
    "basePrice": 20,
    "featureType": "Standart",
    "isCountable": false
  }'

{
  "id": 104,
  "name": "Priority Support",
  "description": "24/7 priority email and chat support",
  "basePrice": 20,
  "featureType": "Standart",
  "isCountable": false,
  "countableData": null,
  "createdAt": "2025-10-01T09:00:00.000Z",
  "updatedAt": "2025-10-01T09:00:00.000Z"
}

Example — Usage-Based Feature

curl -X POST https://cuprice.io/api/v1/projects/my-saas-app/features \
  -H "Authorization: Bearer cpk_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "API Calls",
    "description": "Monthly API request quota",
    "basePrice": 15,
    "featureType": "Usage Based",
    "isCountable": true,
    "usageCount": 10000,
    "condition": "Up to",
    "countPrice": 0.001,
    "eventAggregationMethod": "count"
  }'

{
  "id": 105,
  "name": "API Calls",
  "description": "Monthly API request quota",
  "basePrice": 15,
  "featureType": "Usage Based",
  "isCountable": true,
  "countableData": {
    "usageCount": 10000,
    "condition": "Up to",
    "countPrice": 0.001,
    "eventAggregationMethod": "count"
  },
  "createdAt": "2025-10-01T09:05:00.000Z",
  "updatedAt": "2025-10-01T09:05:00.000Z"
}

Errors

Status	Description
`400`	Missing `name` or `basePrice`, or `basePrice` is negative
`400`	Project already has 50 features (maximum reached)
`401`	Invalid or missing API key
`403`	API key does not have `read_write` permission
`404`	Project with the given slug not found

Overview

Public Endpoints

API v1 — Projects

API v1 — Features

API v1 — Plans

API v1 — Plan Features

Endpoint

Authentication

Path Parameters

Body Parameters

Response

Example — Standard Feature

Example — Usage-Based Feature

Errors

​Endpoint

​Authentication

​Path Parameters

​Body Parameters

​Response

​Example — Standard Feature

​Example — Usage-Based Feature

​Errors

Endpoint

Authentication

Path Parameters

Body Parameters

Response

Example — Standard Feature

Example — Usage-Based Feature

Errors