> For the complete documentation index, see [llms.txt](https://docs.big-brain.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.big-brain.co/apps/data-cleaning/integrations.md).

# Integrations

- [Mailshake](https://docs.big-brain.co/apps/data-cleaning/integrations/mailshake.md): Mailshake lets you send email sequences with automatic follow ups to prospects.
- [Add Your Mailshake API Key](https://docs.big-brain.co/apps/data-cleaning/integrations/mailshake/add-your-mailshake-api-key.md): Add your Mailshake API Key
- [Smartlead](https://docs.big-brain.co/apps/data-cleaning/integrations/smartlead.md): Smartleads lets you send email sequences with automatic follow ups to prospects.
- [Add Your Smartlead API Key](https://docs.big-brain.co/apps/data-cleaning/integrations/smartlead/add-your-smartlead-api-key.md): Add your Mailshake API Key
- [Parvenu](https://docs.big-brain.co/apps/data-cleaning/integrations/parvenu.md): Parvenu lets you find email addresses automatically.
- [Add Your Parvenu API Key](https://docs.big-brain.co/apps/data-cleaning/integrations/parvenu/add-your-parvenu-api-key.md): Add your Parvenu API Key
- [Open AI](https://docs.big-brain.co/apps/data-cleaning/integrations/open-ai.md): Send personalized icebreakers in your outreach messages to boost engagement.
- [Default Prompts](https://docs.big-brain.co/apps/data-cleaning/integrations/open-ai/default-prompts.md): These prompts will be used if you don't create custom prompts.
- [New Custom Prompt](https://docs.big-brain.co/apps/data-cleaning/integrations/open-ai/new-custom-prompt.md): Create custom prompts to tailor your icebreakers to your use case.
- [Existing Custom Prompts](https://docs.big-brain.co/apps/data-cleaning/integrations/open-ai/existing-custom-prompts.md): View and edit your existing custom prompts.
- [Using Icebreakers as Text Replacements](https://docs.big-brain.co/apps/data-cleaning/integrations/open-ai/using-icebreakers-as-text-replacements.md): Use the personalization in email or Linkedin campaigns.
- [Add Your Open AI API Key](https://docs.big-brain.co/apps/data-cleaning/integrations/open-ai/add-your-open-ai-api-key.md): Increase your monthly limits by adding your own Open AI API Key.