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xAI is the company behind Grok. In SentiVue Talk this connection provides the voice that speaks your agent’s responses.

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What you need

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Getting your API key

  1. Sign in at console.x.ai.
  2. Open API Keys for your team.
  3. Create a key, name it, and copy the value.
Keys begin with xai-.
xAI requires credits on the account before the API responds. A brand-new team with no credits loaded produces a key that authenticates but fails on every request.

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Adding the connection

  1. Go to Connections and choose xAI.
  2. Paste the API key.
  3. Save.
SentiVue Talk validates the key with xAI as you save, so a bad or expired key is caught immediately rather than on a live call.

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What you can select afterwards

Choose your voice on Model Configurations. Model — pick from the dropdown, or type a name in for any speech model your account can reach. See xAI’s models page. Voice — a voice is referenced by name, for example eve, and the name is case-insensitive. Browse the current set on xAI’s text-to-speech page. Language — BCP-47 codes, from broad codes like es through regional variants like es-MX. Set auto to let the model detect it. The supported list is on the same text-to-speech page.

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Realtime is a separate connection

xAI’s speech-to-speech model is a separate provider in SentiVue Talk, with its own connection. See Grok Realtime. Connecting one does not connect the other, even though both use a key from the same console.

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Completing the pipeline

xAI drives voice only. You also need: Each is a separate connection.

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Troubleshooting

Confirm you copied the key whole including the xai- prefix, and that it has not been deleted or rotated in the console.
xAI needs credits on the account before it serves requests. Load credits on the team that owns the key.
Check the name against xAI’s text-to-speech page. Capitalisation is not the problem — voice names are case-insensitive — so a mismatch means the name itself is wrong or no longer offered.
The language is set on the voice, not inferred from your prompt. Set it to match your callers, or use auto to let the model detect it. Regional variants are distinct — pt-BR and pt-PT are separate choices.