Developers building real-time communication features into apps get a complete solution that handles voice, video, chat, and live streaming through APIs and SDKs
AI tools for aPIs
3,775 live tools · ranked by monthly traffic and community votes · dead links removed automatically
WhisperAPI lets you upload 10GB video files
Speech-to-text API built for accuracy at scale
Managing multiple speech API accounts
Rime is a text-to-speech provider whose voice models are made for real-time conversations.
Cartesia is a voice AI company that provides one API for speech generation, transcription and production voice agents fast enough for live conversation.
Hume EVI, the Empathic Voice Interface, is a voice AI API for building agents that pick up on how a person sounds as well as what they say.
Deepgram is a voice AI platform that exposes speech-to-text, text-to-speech and conversational agents through APIs.
The OpenAI Realtime API is a developer interface for building voice agents that listen and speak in real time.
ElevenLabs API is a developer interface to the company's audio models.
Soniox is a speech AI platform that offers real-time speech-to-text, text-to-speech and speech translation through one API.
OpenAI TTS is the text-to-speech feature of the OpenAI Audio API, exposed through a speech endpoint that converts written text into lifelike spoken audio.
Google Cloud Text-to-Speech is an API that turns written text into natural-sounding speech using Google's AI speech synthesis research.
Amazon Polly is a fully managed Amazon Web Services product that converts text into spoken audio on demand.
The Deepgram Voice Agent API is one real-time API that combines speech recognition, language model orchestration and speech synthesis, so developers do not have to stitch separate services together.
Google Cloud Speech-to-Text is a speech recognition API that turns audio into written text.
NPCs that actually think
Your voice, synthesized
Sub-second speech-to-text across 55+ languages with AI voice agents
Fixie
Vocode is an open-source toolkit for building voice-based AI agents.
OpenAI Whisper API is the speech-to-text service developers call to convert recorded audio into text.
Amazon Lex is a managed AWS service for adding conversational interfaces to applications through voice and text.
Deepdub is an AI voice platform that began in dubbing and now also offers a production-grade voice API for AI agents.