PASAR API

🇲🇾 Cartesia Ultra-Low-Latency TTS & STT

CartesiaAItier: commercialauth: API keypricing: freemiumverified 2026-06-15

Ultra-low-latency TTS (Sonic 3.5 model, first audio byte in 90ms) and STT (Ink models). Built for real-time voice agents. Free: 10k credits. Supports voice cloning with accent control.

View docs ↗ More AI APIs

Get started

# Cartesia Ultra-Low-Latency TTS & STT needs an API key.
# No single public base URL ~ start from the docs:
# https://docs.cartesia.ai/

AI prompt

I'm integrating a Malaysian API into my app.

API: Cartesia Ultra-Low-Latency TTS & STT
Provider: Cartesia
Auth: requires an API key (sign up: https://docs.cartesia.ai/)
Pricing: freemium

Help me set up authentication and make my first successful request ~ explain exactly where the credentials go.

Related AI APIs

OpenAI API ~ GPT models, embeddings, images, audio Anthropic Claude API ~ Claude LLM messages Google Gemini API ~ multimodal LLM Groq API ~ fast LLM inference Mistral AI API ~ open and frontier LLMs Cohere API ~ LLMs, embeddings, rerank Perplexity API ~ web-grounded answers and search OpenRouter API ~ one endpoint for many LLMs Hugging Face Inference Providers ~ run open models Replicate API ~ run and host ML models