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Introducing the Rabel API: add Bell to the voice agent you already run.

Read about the Rabel API

  1. Introducing effort levels: choose how much latency to save with Bell.

    Feature

  2. Hum v2 saves more time on every turn.

    Release

  3. Bell v2 takes more time off every reply at the same price.

    Release

  4. Sing starts the voice on the first words of the reply.

    Release

  5. Whistle hands your agent the words before the transcript has them.

    Release

  6. Hum starts the agent’s tool calls before the question ends.

    Release

  7. Bell cuts the wait before every reply.

    Release

Works with the stack you already run.

Rabel APIBeta

Bell, at $0.005 a minute, billed by the second while a conversation is open. Every account starts with 60 free minutes.

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