An email signature platform for people and AI agents: save your signature once, and your team, your automations and every AI agent you connect use the same one. Make and n8n fetch it with one HTTP step, and Zapier has a Get Signature step. The free plan includes the API, with a monthly limit. You build a signature with your name, title, photo, logo and links, choose from five layouts, and send yourself a test email to check how it looks. Step-by-step guides show how to install it in Gmail, Outlook, Apple Mail and other mail apps. AI assistants such as Claude and ChatGPT can pull the same signature through its MCP server.

Who is Signatoro for?

Signatoro fits small business owners, operations managers, sales reps and marketers, and other office teams with the same job to do.

Signatoro has a free plan; paid plans add more usage or features. Plans change often, so check the official pricing page before you commit.

What are some alternatives to Signatoro?

Other AI email tools include Gmail with Gemini, no2bounce, Superhuman, Shortwave and SaneBox.

Signatoro: what it does, who it is for and alternatives

Updated October 20, 2026 · By Robert Breen

An email signature platform for people and AI agents: save your signature once, and your team, your automations and every AI agent you connect use the same one. Make and n8n fetch it with one HTTP step, and Zapier has a Get Signature step. The free plan includes the API, with a monthly limit.

Email & inboxFree planStepthrough partnerFree lesson

Official site: signatoro.com

What Signatoro does

You build a signature with your name, title, photo, logo and links, choose from five layouts, and send yourself a test email to check how it looks. Step-by-step guides show how to install it in Gmail, Outlook, Apple Mail and other mail apps. AI assistants such as Claude and ChatGPT can pull the same signature through its MCP server.

Who Signatoro is for

Small business owners
Operations managers
Sales reps
Marketers

Key features

Signature builder with five layouts, accent color, photo and logo
Install guides for Gmail, Outlook, Apple Mail, iPhone and Zoho Mail
MCP server for Claude, ChatGPT and other MCP clients
Signature API and CLI; free plan includes 50 API requests a month
One shared company signature, with members keeping their own name and title
Works with n8n, Zapier, Make and Power Automate

Privacy and data

Signatoro says it does not sell personal data. Data is encrypted in transit and at rest, API keys are stored only as one-way hashes, and the database is hosted in the US. Source: Signatoro’s own page. Before you put client data in, check your company’s AI rules and the plan’s data settings.

Learn Signatoro free on Stepthrough

Free lesson: Add AI to Make.com: ChatGPT Writes a Personal Reply, Gmail Sends It (18 min)
Free lesson: Zapier: ChatGPT Drafts Every Reply, Signatoro Signs It (12 min)
Free lesson: n8n + Signatoro: AI Drafts Every Reply, Signatoro Signs It (10 min)
Comparison: The best AI tools for customer support teams in 2026
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Glossary: Bearer token

Alternatives to Signatoro

Other AI email tools in the directory.

Gmail with Gemini Free plan Gemini in Gmail summarizes long threads, drafts replies and finds details in your inbox. Pair it with filters and labels to triage mail automatically.
no2bounce Free plan Checks email lists for bad and risky addresses before a big send. Protects your sender reputation and bounce rate.
Superhuman Free trial A fast email app with AI that writes replies in your voice, splits your inbox and reminds you to follow up. Built for people who live in email.
Shortwave Free plan An AI-first Gmail client that searches, summarizes and drafts replies from your whole email history. Ask questions about your inbox in plain English.
SaneBox Free trial Filters unimportant email out of your inbox so only what matters stays. Works with almost any email provider.
ZeroBounce Free plan Email validation and deliverability testing so campaigns reach inboxes. Free monthly checks to start.

All 26 AI email tools

Frequently asked questions

What is Signatoro?: An email signature platform for people and AI agents: save your signature once, and your team, your automations and every AI agent you connect use the same one. Make and n8n fetch it with one HTTP step, and Zapier has a Get Signature step. The free plan includes the API, with a monthly limit. You build a signature with your name, title, photo, logo and links, choose from five layouts, and send yourself a test email to check how it looks. Step-by-step guides show how to install it in Gmail, Outlook, Apple Mail and other mail apps. AI assistants such as Claude and ChatGPT can pull the same signature through its MCP server.
Who is Signatoro for?: Signatoro fits small business owners, operations managers, sales reps and marketers, and other office teams with the same job to do.
Is Signatoro free?: Signatoro has a free plan; paid plans add more usage or features. Plans change often, so check the official pricing page before you commit.
What are some alternatives to Signatoro?: Other AI email tools include Gmail with Gemini, no2bounce, Superhuman, Shortwave and SaneBox.
Is Signatoro safe for work data?: Signatoro says it does not sell personal data. Data is encrypted in transit and at rest, API keys are stored only as one-way hashes, and the database is hosted in the US. Check your own company’s rules, and use a business plan with training turned off for client data.

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Checked against Signatoro’s official site on October 20, 2026: source 1, source 2, source 3. Spotted something out of date? Email rbreen@ynteractive.com. Listings are free; submit your AI tool.

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