#1 Official AI API Platform
One API for Everything - Save 30-70%
APIMart is the most affordable, stable, and simple way to access GPT-5, Claude 4.5, Sora 2, Flux.1 and 500+ AI models. Up to 70% cheaper than competitors with 99.9% uptime and OpenAI-compatible integration - just change one line of code.

Unified Access to Leading AI Models
Popular AI API Model
Explore APIMart's most-used AI API categories with 500+ models available.
Chat & Language APIs
NEWAccess GPT-5, Claude Sonnet 4.5, Gemini-2.5-pro, and 100+ chat models via APIMart's OpenAI-compatible API
Video Generation APIs
NEWGenerate videos with Sora 2, Veo 3, Kling 2.5, Wan 2.5 - text-to-video and image-to-video APIs
Image Generation APIs
NEWCreate and edit images with Flux.1, Nano Banana, Seedream 4.0, and more
Music Generation APIs
NEWGenerate professional music and songs with Suno AI - create custom tracks from text prompts
All the AI API you need, all in a single Platform
APIMart minimizes deployment and maintenance costs with a high-performance, serverless architecture designed for efficiency and growth.
New - Be the first to access the latest AI models globally.
Fast - Ultra-high concurrency with low-latency responses.
Stable - 24/7 uninterrupted, reliable performance.
How to Integrate APIMart API in 3 Simple Steps
Step 1: Create Your API Key
Sign up for APIMart for free and generate your API key from the dashboard. No credit card required to start testing.
View DocumentationStep 2: Update Your base_url
Simply change your API base URL to APIMart's endpoint. For OpenAI SDK users, it's just one line of code change. Your existing code structure remains exactly the same.
Integration GuideStep 3: Start Using AI Models
Use the OpenAI-compatible format for chat, or APIMart's simple REST API for images and videos. Access GPT-5, Claude, Sora, Flux and 500+ models through APIMart's unified interface.
API Reference
AI Chat API - Access 100+ Leading Language Models
APIMart provides access to the world's most powerful language models through a single, unified API. APIMart's platform includes Claude Sonnet 4.5 (world's best coding model), GPT-5 Pro (advanced reasoning), GPT-5-Codex (specialized for developers), Grok-4 (real-time knowledge), DeepSeek V3.2 Exp (cost-effective performance), and Gemini-2.5-pro (multimodal capabilities).
All models are OpenAI-compatible, meaning you can switch from OpenAI to APIMart with just a single line of code change. Update your base_url and start saving up to 70% on API costs while maintaining the same quality and performance you expect from premium AI models.
APIMart's Chat API supports streaming responses, function calling, JSON mode, vision capabilities, and context windows up to 1M tokens. Perfect for chatbots, content generation, code assistance, data analysis, and any application requiring natural language understanding.

AI Video API - Generate Professional Videos from Text & Images
APIMart enables you to create stunning videos with cutting-edge AI models including Sora 2 (OpenAI's latest with photorealistic motion), Veo 3 (Google's high-fidelity video AI), Wan 2.5 (versatile text/image-to-video), and Kling 2.5 (cinematic quality).
APIMart's Video API supports both text-to-video and image-to-video generation with resolutions up to 1080p, various aspect ratios (16:9, 9:16, 1:1), and customizable motion intensity. Generate marketing videos, social media content, product showcases, and creative storytelling with natural camera movements and realistic physics.
Simple API integration with comprehensive documentation and code examples in Python, JavaScript, and cURL. Start creating professional videos programmatically in minutes.

AI Image API - Create & Edit Images with 50+ Advanced Models
APIMart provides access to the most comprehensive collection of AI image models including Nano Banana (Gemini 2.5 Flash - 10-second generation), Seedream 4.0 (ByteDance's 4K high-speed generator), GPT-4o (multimodal image generation), Qwen Image Edit (Alibaba's bilingual editing), Flux.1 Kontext (Black Forest Labs' style-preserving edits), and Wan 2.5 Image API (versatile generation).
APIMart's Image API supports text-to-image, image-to-image, inpainting, outpainting, upscaling, background removal, and style transfer. Generate professional-quality images up to 4K resolution with precise prompt adherence, character consistency across generations, and advanced editing capabilities through natural language commands.
Why Choose APIMart for Your AI API Platform
💰 Lower Cost Than Competitors
APIMart saves you up to 70% on API costs compared to Fal.ai, Replicate, and direct provider pricing. APIMart's unified platform and efficient infrastructure mean better prices for you. Volume discounts and flexible pay-as-you-go pricing with no hidden fees or monthly minimums.
🚀 500+ AI Models, One API
APIMart provides access to every major AI model through a single unified API. From GPT-5 and Claude Sonnet 4.5 to Sora 2 and Flux.1 - all models, one interface. APIMart eliminates the need to manage multiple API keys, billing accounts, or integration points. Switch models instantly without code changes.
🔌 OpenAI-Compatible Format
APIMart is a drop-in replacement for OpenAI API with 100% compatibility. Migrate your existing OpenAI applications to APIMart with just one line of code - change the base_url. Use the same SDKs, libraries, and code patterns you're already familiar with. Seamless integration guaranteed.
⚡ High Performance & Reliability
Experience blazing-fast response times with APIMart's globally distributed infrastructure. APIMart delivers 99.9% uptime SLA backed by redundant systems across multiple regions. Smart routing automatically selects the fastest available endpoint. Real-time status monitoring and transparent performance metrics.
📚 Developer-Friendly Documentation
APIMart provides comprehensive documentation with code examples in Python, JavaScript, cURL, and more. Interactive API playground to test requests instantly. Detailed guides for every model and use case. Active community support and dedicated developer resources. Get started with APIMart in under 5 minutes.
💳 Flexible Pricing & Billing
Pay only for what you use with transparent per-request pricing. No monthly subscriptions or commitments required. Detailed usage analytics and cost tracking dashboard. Volume discounts automatically applied. Free tier with generous credits to test all models before you commit.
Frequently Asked Questions
What is APIMart and what does it offer?
APIMart is a unified AI API platform that provides access to 500+ leading AI models through a single API. We aggregate Chat APIs (GPT-5, Claude Sonnet 4.5, Gemini-2.5-pro), Video Generation APIs (Sora 2, Veo 3, Kling 2.5), and Image Generation APIs (Flux.1, Nano Banana, Seedream 4.0) in one place. Our OpenAI-compatible API makes integration effortless with lower costs than competitors like Fal.ai.
What AI models are available on APIMart?
APIMart provides 500+ AI models including: Chat models (Claude Sonnet 4.5, GPT-5 Pro, GPT-5-Codex, Grok-4, DeepSeek V3.2 Exp, Gemini-2.5-pro), Video models (Sora 2, Veo 3, Wan 2.5, Kling 2.5), and Image models (Nano Banana, Seedream 4.0, GPT-4o, Qwen Image Edit, Flux.1 Kontext, Wan 2.5 Image API). All models are accessible through APIMart's unified API with consistent pricing and documentation.
How does pricing compare to other API providers?
APIMart offers up to 70% cost savings compared to competitors like Fal.ai, Replicate, and direct provider pricing. APIMart uses pay-as-you-go pricing with no monthly minimums or hidden fees. Volume discounts are applied automatically. APIMart's free tier includes generous credits to test all models. Transparent per-request pricing means you only pay for what you use, with detailed usage analytics in your dashboard.
How do I integrate APIMart API into my application?
Integrating APIMart API is simple: 1) Sign up for APIMart and create an API key (no credit card required for testing), 2) Update your base_url to APIMart's endpoint, 3) Start using models with OpenAI-compatible format or APIMart's REST API. For OpenAI users, migrating to APIMart is just one line of code change. APIMart provides comprehensive documentation with code examples in Python, JavaScript, and cURL, plus interactive API playground for testing.
Is there a free tier or trial available?
Yes! APIMart provides free credits to all newly registered users. You can use these credits to create API keys and start making requests immediately, or try out APIMart's online platform to experience the generation results firsthand. No credit card required to start testing with APIMart.
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Ready to Build with 500+ AI Models?
Join thousands of developers using APIMart's unified API platform. Get started in minutes with our OpenAI-compatible API, generous free tier, and comprehensive documentation.