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Kopra Review

Kopra is a custom field management platform that enables SaaS products to offer customizable fields to their users without requiring in-house infrastructure development.

shipped Aug 30, 2026codefreemium
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Kopra — product screenshot

Why it matters

1Offers a freemium pricing model with a Free Tier providing 5,000 API calls per month.
2Includes a REST API with 26 endpoints and a TypeScript SDK for integration.
3Supports multi-tenant isolation and provides an embeddable field editor for end-user data entry.
4Enables AI agents to interact with field schemas and values via an MCP server.

About Kopra

Business Model
Subscription SaaS
Platforms
Web
Target Audience
SaaS product developers

Pricing Plans

Free Tier
Free
  • • Free to start
  • • No per-seat pricing
Pay as you scale
Varies / monthly
  • • Scales with usage
  • • Custom pricing based on usage
API Docs

Specs

API Docs

View Documentation →

API Available

Yes, public API

Screenshots

overview

What is Kopra?

Kopra is a custom fields as a service tool developed by Kopra that enables SaaS product developers and product teams to integrate customizable fields into their applications without building the underlying infrastructure. It handles storage, user interface, multi-tenancy, and API access, allowing businesses to focus on their core offerings. The platform includes a web application for configuration management, a REST API for programmatic access, a JavaScript SDK for client-side integration, an embeddable field editor for end-user data entry, and an MCP server for AI-assisted workflows. Kopra's primary use cases include enabling customer self-service for field definition, extending product functionality with diverse data fields (e.g., insurance numbers, patient notes), and reducing the development burden associated with custom field infrastructure.

features

Key Features of Kopra

Kopra provides a comprehensive suite of features designed to streamline the integration and management of custom fields within SaaS applications. These capabilities ensure data isolation, developer-friendly integration, and end-user usability.

  • Multi-tenant isolation for secure data separation across different customers.
  • TypeScript SDK for robust client-side integration and type-safe development.
  • Embeddable field editor, allowing end-users to define and manage their own custom fields.
  • Self-service configuration via a web application for managing field groups and settings.
  • REST API with 26 distinct endpoints for programmatic access and integration.
  • Webhooks for triggering automated workflows based on custom field changes.
  • Audit logging to track all modifications and access to custom field data.
  • Theming support for white-labeling the embeddable field editor to match application branding.
  • CSV export functionality for data analysis and migration.
  • Model Context Protocol (MCP) server for enabling AI agents to interact with field schemas and values.

use cases

Who Should Use Kopra?

Kopra is designed for specific personas and scenarios within the SaaS development and product management lifecycle, focusing on efficiency and extensibility.

  • Developers building SaaS applications: To integrate custom field capabilities without developing the underlying infrastructure, utilizing the REST API and TypeScript SDK.
  • Product teams managing SaaS applications: To extend product functionality and enable customer self-service for data customization, supporting diverse customer needs.
  • AI agent developers: To enable AI agents to interact with field schemas and values via the Model Context Protocol (MCP) server, facilitating AI-assisted workflows.
  • Businesses requiring tenant-specific data: For defining and managing field groups, global fields, and tenant-specific fields across their user base.
  • Companies seeking to reduce development burden: To avoid the complexities and costs associated with building and maintaining custom field infrastructure, such as database migrations or custom field editors.

how to use

How to Use Kopra

To begin using Kopra, developers typically sign up for an account, define their custom field schemas, and integrate the service into their application using the provided SDK or API.

  • 1Sign up for a Kopra account at kopra.dev and select a pricing plan.
  • 2Define field groups, global fields, and tenant-specific fields within the Kopra web application.
  • 3Integrate the Kopra TypeScript SDK into your client-side application for rendering embeddable field editors.
  • 4Utilize the REST API (26 endpoints) for programmatic access to field schemas and values from your backend.
  • 5Configure webhooks to trigger automated workflows based on changes to custom field data.
  • 6Leverage the Model Context Protocol (MCP) server to enable AI agents to interact with custom field data.

pricing

Kopra Pricing & Plans

Kopra operates on a freemium model, offering a free tier and two paid subscription plans with varying limits on field groups, tenants, field values, and API calls. All paid plans include the REST API, TypeScript SDK & embeds, webhooks, audit logging, theming, CSV export, and the Model Context Protocol (MCP) server.

  • Free Tier: Free, includes 3 field groups, 10 tenants, 50 field values per tenant, and 5,000 API calls per month.
  • Starter Plan: €29 per month, includes 10 field groups, 100 tenants, 500 field values per tenant, and 50,000 API calls per month.
  • Pro Plan: €99 per month, includes 25 field groups, 500 tenants, 2,000 field values per tenant, and 200,000 API calls per month.

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Pros

  • +Eliminates the need for in-house custom field infrastructure development, saving developer time and resources.
  • +Provides multi-tenant isolation, ensuring secure and separate data for each customer.
  • +Offers a comprehensive REST API (26 endpoints) and TypeScript SDK for flexible integration into existing SaaS products.
  • +Includes an embeddable, white-label field editor, enabling customer self-service for field management.
  • +Supports AI-assisted workflows through its Model Context Protocol (MCP) server.
  • +Features webhooks and audit logging for enhanced automation and data governance.

Cons

  • −Specific user reviews and reception for kopra.dev are not readily available in public search results.
  • −While offering a free tier, scaling to higher API call volumes and tenant counts requires paid subscriptions.
  • −Focuses specifically on custom fields, which might require integration with other services for broader content management needs.
  • −The pricing model scales with tenants and field values, which could become costly for applications with a very large number of tenants or extensive custom data per tenant.

Policies

Pricing Page

View Pricing→

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Kopra vs Competitors

Kopra positions itself as a specialized 'custom fields as a service' solution, differentiating from broader headless CMS platforms and in-house development by focusing exclusively on custom field infrastructure.

1
StrapiOn Stork

An open-source headless CMS that allows developers to build custom APIs with a flexible content structure, including custom fields for any content type.

Strapi provides a full headless CMS, which is more extensive than just custom fields infrastructure. You gain a complete content management interface and API, but you might need to self-host or manage more infrastructure than with Kopra's managed service.

2
Sanity.ioOn Stork

A real-time headless content platform with a highly customizable content schema and a powerful query language (GROQ).

Sanity.io offers a more comprehensive content platform than just custom fields, providing a studio for content editing and a robust API. While it has a generous free tier, its pricing scales with usage, which might become more expensive than Kopra for very high API calls or data storage.

3
DirectusOn Stork

An open-source data platform that instantly turns any SQL database into a headless CMS and API.

Directus provides a powerful and flexible backend for any data, including custom product fields, with a full admin interface and API. It requires more setup and management if self-hosted compared to Kopra's managed service, but offers complete control over your data and infrastructure.

4
Prismic↗

A headless CMS focused on content modeling and developer experience, offering a visual editor and API for structured content.

Prismic, like other headless CMS options, provides a broader content management solution than just custom fields. It offers a user-friendly interface for content creators, but might be overkill if the sole requirement is programmatic custom field management without a full content editing experience.

See every Kopra alternative, compared→

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