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Only provided fields are updated.

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Parameters

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persona_id
string
required
Identifier of the persona to update.
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name
string
New display name, if updating.
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prompt
string
Full replacement system prompt text. Use only for total rewrites. Mutually exclusive with prompt_edit.
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prompt_edit
string
Partial edit of the prompt — only the changed sections. Use ’// … existing content …’ for unchanged parts. Preferred for editing existing prompts. Mutually exclusive with prompt.
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edit_instructions
string
A sentence describing what the edit does, to help disambiguate. Used with prompt_edit.
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image
string
New image URL for the avatar, if updating.