Kling 3.0 API: Generate Cinematic AI Videos in 3 Lines of Python Code

Kling 3.0 just launched and it's genuinely impressive — multi-shot cinematic control, native audio, 1080p output. But if you've been using PiAPI or fal.ai to access it, you're probably overpaying. This is a complete tutorial for using the Kling 3.0 API through NexaAPI , which is 2.4x cheaper than PiAPI and 3x cheaper than fal.ai . Setup pip install nexaapi # or npm install nexaapi Get your free API key at nexa-api.com — no credit card. Part 1: Text-to-Video from nexaapi import NexaAPI import time client = NexaAPI ( api_key = ' YOUR_API_KEY ' ) response = client . video . generate ( model = ' kling-v3-pro ' , prompt = ' A lone astronaut walks across a red Martian landscape ' , duration = 5 , aspect_ratio = ' 16:9 ' , quality = ' high ' ) job_id = response [ ' job_id ' ] while True : status = client . video . get_status ( job_id ) if status [ ' status ' ] == ' completed ' : print ( f " Video: { status [ ' video_url ' ] } " ) break time . sleep ( 5 ) Part 2: Image-to-Video response = clie