Write emails with Claude, in the MailerPress editor
Select Claude (Anthropic) as your text provider and every MailerPress Pro writing tool runs on Claude.
- In the editor: draft, rewrite and translate copy without leaving your email.
- You decide: nothing changes in your email until you apply a suggestion.
- Your own key: requests go from your site to Anthropic with your API key.
Requires MailerPress Pro.
From a blank block to a first draft
Start from an empty text block and get a draft you shape in a chat before it goes into your email.
- Quick actions: “Product announcement” or “Welcome message” in Write with AI.
- Questions first: Claude asks about the offer and the audience, then writes the draft.
- Refine: adjust the draft in the chat, then click Apply.
- AI actions: summarize, expand, adjust the tone or correct the spelling of a whole block.
Subject lines, preview text and A/B variants
Before sending, Claude writes what subscribers see in the inbox and the copy of your test variations.
- Subject line: Generate with AI proposes up to 60 characters based on your email.
- Preview text: up to 130 characters.
- A/B variant: new copy, with the design, images and footer kept.
- Automations: describe one and Claude generates its steps.
Pick the model, watch the bill
Choose the Claude model that fits the task and cap AI use so costs stay predictable.
- Models: Sonnet 4.6, Opus 4.6 or Haiku 4.5.
- Billing: Anthropic bills each request to your account.
- Limit AI: caps AI actions per month for the whole site, from 100 to 2,000 or custom.
- Text only: for images, add OpenAI or Gemini Image as your image provider.
Limit AI requires MailerPress Pro 2.1.0+.
Set it up
Paste your Anthropic API key in the MailerPress text settings and Claude is ready in the editor.
- Requirements: MailerPress Pro and an Anthropic API key.
- Where: MailerPress > Settings > AI Settings > Text AI.
- Permissions: by default, only administrators have the Use AI permission.
Step-by-step guides: Configure AI providers in MailerPress Pro · Write and improve email content with AI
