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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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APIMart
✓ verifiedPaid
Unified API gateway to 500+ AI models (GPT, Claude, Sora, image/video) with OpenAI-compatible endpoints and discounted usage.
328K visits/mo1.9K saves
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Mintlify
✓ verifiedFreemium
Documentation and knowledge platform that keeps developer docs self-updating and queryable by AI agents.
718K visits/mo
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ImageKit
✓ verifiedFreemium
ImageKit is an image and video optimization and delivery API with a DAM and creative automation for developers and teams.
1.0M visits/mo
Pricing
No public pricing
Starter: $0/mo (individuals and small teams)
Free trial available
No public pricing
Free trial available
Core features
- ✦Single OpenAI-compatible API for 500+ models
- ✦Chat, image, video and audio models
- ✦Discounted per-request pricing
- ✦One dashboard for keys, quotas and usage
- ✦Multi-region routing and failover (99.9% uptime)
- ✦Multiple payment methods incl. crypto
- ✦Self-updating documentation
- ✦Web-based documentation editor
- ✦Custom domain hosting
- ✦Built-in search and API playground
- ✦MCP server for agent access
- ✦Authentication and access controls
- ✦Real-time image/video optimization and URL-based transforms
- ✦AI and GenAI transforms (smart crop, background removal, generative fill, upscaling)
- ✦Global CDN delivery with sub-50ms response
- ✦AI-powered digital asset management
- ✦Creative automation for on-brand banners at scale
- ✦SDKs and integrations for major stacks and CMSs
Use cases
- →Accessing many AI models via one API
- →Cutting AI model API costs
- →Building multimodal AI apps
- →Consolidating AI billing and keys
- →Publish and maintain developer documentation
- →Expose docs to AI agents via MCP
- →Host a branded docs site on a custom domain
- →Give teams a collaborative doc editor
- →Speeding up website and app media performance
- →Optimizing e-commerce and media images and video
- →Centralized digital asset management and collaboration
- →Adaptive video streaming
- →Generating thousands of on-brand banner variations
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