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You only need an account to start building in the dashboard. For API requests and integrations, you also need an API key.

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Sign in

Open app.slng.ai and sign in, or create an account if you do not have one. Once signed in, open the Projects page. To build in the dashboard, go straight to Create an agent. For API access, create a key below. If you already have one, skip to Store and use your key.
The key below calls speech to text and text to speech models only. To use the Context Router from LiveKit, Pipecat, or your own code, create the key inside an Improve my agent project instead. See Pick the right API key.

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Create your API key

1

Choose Generate key

On the Projects page, click New project. At the bottom of the start screen, click Generate key. The Create API key dialog opens.
Project start screen with the Generate key link highlighted

The project start screen. Under Call TTS/STT models API, click Generate key.

2

Name the key and choose its region

Enter an API name you will recognize later, such as wayne-enterprises-prod. Set an Expiration date, or leave it empty if the key should not expire.Choose the Region of the key’s new project. The key works only in that region, so pick the region your requests will run in. See Use the key in its region.
Create API key dialog with an API name field and an optional expiration date

The Create API key dialog.

3

Generate and copy the key

Click Generate key. Copy the key before closing the dialog: you can only see it once. If you lose it, generate a new one.

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Store and use your key

Save the key in a password manager or your application’s secret store. Keep it out of source control and browser code. Set SLNG_API_KEY in the terminal where you will run API requests. Replace slng_... with your key:
The variable lasts for the current terminal session. API requests send the key as a bearer token:
For integrations, use the configuration field or environment variable named in the integration guide.

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Start building

Read What’s a project? for project boundaries and the available paths. If you know what you need: