Bump vs Fern: Features, Pricing and User Reviews 2026
Compare features, pricing, reviews, and more to make an informed decision
Bump
Bump is a modern API documentation platform that turns OpenAPI and AsyncAPI specifications into beautiful, always-updated documentation with automatic change tracking.
Fern
Fern generates production-ready SDKs and beautiful API documentation automatically from your OpenAPI specification for multiple programming languages.
Bump
Bump is a modern API documentation platform that turns OpenAPI and AsyncAPI specifications into beautiful, always-updated documentation with automatic change tracking.
Fern
Fern generates production-ready SDKs and beautiful API documentation automatically from your OpenAPI specification for multiple programming languages.
Bump
Automatic documentation from OpenAPI and AsyncAPI files
Real-time API changelog with breaking change detection
Interactive API Explorer for testing endpoints
Documentation hubs for organizing multiple APIs
GitHub and GitLab integration
Custom domains and branding options
Branch management for different versions
Team collaboration with access control
Webhook notifications
Email digest for API changes
Fern
Automatic SDK generation in 8+ programming languages
Stripe-style API documentation websites
Direct publishing to package registries
OpenAPI and AsyncAPI support
Interactive API playground with live testing
Custom branding and domain support
Built-in OAuth 2.0 and authentication
Automatic pagination and retry logic
WebSocket and SSE support
Version control with Git
AI-powered search assistant
Open source on GitHub
Bump
Bump offers three pricing plans to fit different team sizes and needs. The free Basic plan includes 10 documentation pages, 5 team members, and 30 guest users. This is perfect for small teams or individual developers starting with API documentation.
The Business plan costs $700 per month and includes 100 documentation pages with unlimited users and guests. It adds important features like branch management for handling different API versions, the API Explorer for testing, custom CSS and JavaScript, Single Sign-On, and a dedicated account manager. A 14-day free trial is available.
For large companies, the Enterprise plan starts at $2,000 monthly and includes unlimited documentation, users, and guests. It provides manual release control, reverse proxy support, custom analytics and reports, custom legal agreements, priority for new features, and a guaranteed 99.99% service level agreement.
Fern
Fern offers separate pricing for SDKs and documentation to fit different team needs.
For SDK generation, there are three tiers available:
Basic Plan ($250/month per SDK): Supports up to 50 endpoints with REST API support, automated publishing, and schema validation. Billed annually.
Pro Plan ($600/month per SDK): Includes up to 150 endpoints, WebSockets, webhooks, dedicated Slack support, and advanced features like pagination and OAuth. Billed annually.
Enterprise Plan (Custom pricing): Offers unlimited endpoints, SDK migration services, enterprise support with SLAs, GitHub issue monitoring, and custom code maintenance.
For documentation, pricing includes:
Basic Plan ($400/month): Stripe-like API reference, API playground, custom domain, and built-in components. Billed annually.
Pro Plan ($1,000/month): Everything in Basic plus custom React components, authenticated docs, role-based access control, and AI search capabilities. Billed annually.
Enterprise Plan (Custom pricing): Includes white-glove content migration, custom integrations, SSO authentication, design services, and enterprise support.