set up anthropic byok

anthropic is the recommended byok provider. the key should start with `sk-ant-` and billing must be active in the anthropic console.

updated may 3, 2026 byok no images
quick answer

use anthropic when the user wants a direct provider account with claude models.

use this for

  • configuring the recommended byok path
  • validating an anthropic key
  • explaining why a key was rejected

steps

  1. create or open an anthropic console account.
  2. add billing in the console.
  3. create an api key.
  4. copy the key that starts with `sk-ant-`.
  5. open hold your voice billing byok settings.
  6. choose anthropic and paste the key.
  7. save.

details to know

  • hold your voice validates the key prefix before saving.
  • light calls and heavy calls use the provider model mapping for anthropic.
  • the stored key hint shows only the last few characters.

limits and edge cases

  • keys with spaces or line breaks are rejected.
  • a key that does not start with `sk-ant-` is not accepted under the anthropic provider.
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