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Emerging Infrastructure and API vendors

36 Infrastructure and API listings are in this group. Page 1 of 4: Murf AI, Azure AI Speech, Agora Conversational AI, Amazon Nova Sonic, AssemblyAI, Cekura.

These profiles stay at their own URLs and are left out of the sitemap until they meet the index rule. The full set of categories is on Emerging voice AI vendors.

Murf AI

Infrastructure and API

Developers and businesses

TTS API; Voice agents; Many languages

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Azure AI Speech

Infrastructure and API

Microsoft/Azure enterprises

Speech-to-text; Neural TTS; Custom voice; Voice Live API

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Agora Conversational AI

Infrastructure and API

Developers needing global low-latency voice transport

Conversational AI Engine; Agent Studio; Global real-time network; Device kit for hardware

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Amazon Nova Sonic

Infrastructure and API

AWS-based teams building voice agents

Speech-to-speech model; Tool calling; 7 languages; Bedrock integration

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AssemblyAI

Infrastructure and API

Developers needing accurate STT for agents

Realtime streaming STT; Turn detection; Speaker diarization; Voice agent API

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Cekura

Infrastructure and API

Teams shipping voice agents

Persona simulations; Production monitoring; Benchmarks

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Coval

Infrastructure and API

Voice-agent engineering teams

Simulated calls; Production evals; Human QA

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Daily

Infrastructure and API

Developers running Pipecat agents

Pipecat Cloud; WebRTC transport; Smart Turn model

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Exotel

Infrastructure and API

Enterprises in India/MENA/APAC

Cloud telephony; AI voicebots; Contact center

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Fish Audio

Infrastructure and API

Developers wanting expressive TTS

Real-time TTS; Voice cloning; 2M+ community voices

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Buyers can request quotes without opening a thin profile. Vendors with a full indexed page are in the directory.