The Unified
AI Inference API
for Builders
Run Flux, Veo 3, Sora, Kling, GPT Image, and 30+ more models via RapidAPI. Available on RapidAPI — subscribe in seconds, pay per use.
Everything you need to ship
AI-powered products
Stop managing multiple API keys, rate limits, and billing accounts. NexaAPI gives you one unified interface to the world's best AI models.
50+ Models, One Key
Access Flux Pro, Stable Diffusion 3.5, Veo 3, Sora, Whisper, Claude, and more — all through a single OpenAI-compatible API key. No juggling multiple accounts.
1/5 of Official Price
We negotiate enterprise volume discounts and pass the savings to you. Generate 5× more images, videos, or tokens for the same budget. Pay only for what you use.
Sub-200ms Latency
Global edge infrastructure with intelligent routing to the nearest compute cluster. Cold-start elimination and request queuing ensure consistent, low-latency responses.
Enterprise-Grade Reliability
99.9% uptime SLA with automatic failover, redundant providers, and real-time status monitoring. Built for production workloads that can't afford downtime.
OpenAI-Compatible SDK
Drop-in replacement for the OpenAI SDK. Change one line of code — just swap the base_url. Works with LangChain, LlamaIndex, AutoGen, and every major AI framework.
Real-Time Usage Dashboard
Track spend, requests, and latency per model in real time. Set budget alerts, view detailed logs, and export billing data. Full visibility into your AI costs.
20+ APIs, ready to use
From image generation to video synthesis, audio to AI tools — subscribe on RapidAPI and start using instantly.
Flux 2 Pro
Black Forest Labs
Latest generation text-to-image with maximum quality and photorealism
Veo 3 Video
Google DeepMind
AI video with audio and cinematic quality by Google DeepMind
GPT Image 1.5
OpenAI
OpenAI's high-fidelity AI image generation with strong prompt adherence
Kling Video V3 Pro
Kuaishou
Top-tier AI video with cinematic visuals and native audio
Sora 2 Video
OpenAI
Create realistic AI video scenes from text and images
Imagen 4
Google's highest quality AI image generation with ultra, fast, and preview modes
Showing 6 of 20+ APIs. Browse the full catalog →
Pay for what you use. Nothing more.
All APIs available on RapidAPI — subscribe and start using instantly. No monthly minimums. Pay per request.
| Model | Our Price | Official | Savings | |
|---|---|---|---|---|
Flux 2 Pro Image | $0.02/request | $0.06 | 3.0x cheaper | Subscribe → |
Flux Kontext Pro Image | $0.01/request | $0.04 | 4.0x cheaper | Subscribe → |
GPT Image 1.5 Image | $0.03/request | $0.1 | 3.3x cheaper | Subscribe → |
Imagen 4 Image | $0.015/request | $0.04 | 2.7x cheaper | Subscribe → |
Kling Video V3 Pro Video | $0.03/request | $0.1 | 3.3x cheaper | Subscribe → |
Veo 3 Video Video | $0.15/request | $0.4 | 2.7x cheaper | Subscribe → |
Sora 2 Video Video | $0.07/request | $0.2 | 2.9x cheaper | Subscribe → |
Gemini 3 Pro Image Image | $0.05/request | $0.15 | 3.0x cheaper | Subscribe → |
ElevenLabs Music Audio | $0.013/request | $0.04 | 3.1x cheaper | Subscribe → |
Lyria 2 Music Audio | $0.02/request | $0.05 | 2.5x cheaper | Subscribe → |
All prices in USD. Pay per request via RapidAPI. See full pricing →
Trusted by builders worldwide
From indie hackers to enterprise teams — developers choose NexaAPI for reliability, pricing, and simplicity.
“We switched from calling Replicate directly to NexaAPI and cut our image generation costs by 78%. The OpenAI-compatible SDK made migration trivial — literally changed one line.”
“The reliability is what sold us. We've been running 50K+ images/day for 3 months with zero downtime. The latency is consistently under 200ms even at peak load.”
“Finally, a unified API for all our AI needs. We use Flux for images, Whisper for transcription, and Claude for text — all billed together. Saves us so much overhead.”
“The pricing is genuinely 5x cheaper than going direct. I was skeptical but ran the numbers — NexaAPI saved us $3,200 last month alone on our video generation pipeline.”
“Support team is incredibly responsive. Had an edge case with batch video generation and they had a fix deployed within hours. That's enterprise-level service at startup pricing.”
“We prototyped our entire AI pipeline in a weekend using NexaAPI. The docs are excellent and the playground made it easy to test models before committing to integration.”
4.9/5 average rating from 200+ developers
From zero to production in 3 steps
Find your API on RapidAPI
Browse our 20+ AI APIs on RapidAPI and pick the models you need.
Subscribe & get your key
Subscribe to the API on RapidAPI. Get your API key instantly.
Start generating
One API call to generate images, videos, audio, and more. Pay per use.