AgentMail vs Doorstep
AgentMail vs Doorstep, compared side by side on 21 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: AgentMail is on 57/100 and Doorstep on 37/100.
Where each one leads
AgentMail
- our overall score: 57/100 against 37/100
- agent readiness: 80/100 against 22/100
- domain rating: 65/100 against 12/100
- LinkedIn following: 6,005 against 1,429
Doorstep
- headcount: 16 against 8
- funding raised: $11.2M against $7.5M
At a glance
| Measure | AgentMail | Doorstep |
|---|---|---|
| What it is | API-first email infrastructure for AI agents, offering dedicated inboxes and overcoming traditional provider limitations. | Doorstep provides a lightweight, sensor-fusion powered SDK for delivery tracking and resolution, helping platforms and retailers reduce failed deliveries, cut refunds, and improve customer satisfactio |
| Category | Agentic AI, AI Agent, API Platform, Email Infrastructure | Agentic AI, AI Agent, Personal Agent Data Vault, AI Search Engine |
| Sells toBusiness model | B2B | B2C |
| Offering | Software | Platform |
| Founded | 2023 | 2021 |
| Headquarters | San Francisco, United States | Tel Aviv, Israel |
| Status | Active | Active |
Size, funding and growth
| Measure | AgentMail | Doorstep |
|---|---|---|
| Employees | 8 | 16 |
| Headcount growthLast 12 months | +96.8% | Not published |
| Total funding | $7.5M | $11.2M |
| Latest round | Seed | Seed |
| LinkedIn followers | 6,005 | 1,429 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | AgentMail | Doorstep |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 57/100 | 37/100 |
| Traction | 44/100 | 48/100 |
| Team | 70/100 | Not published |
| Community | 8/100 | 15/100 |
| Search visibility | 55/100 | 27/100 |
| Quality | 58/100 | 40/100 |
| Agent readinessHow well an AI agent can read and act on the site | A (80/100) | F (22/100) |
| Domain ratingLink authority, 0-100 | 65/100 | 12/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | AgentMail | Doorstep |
|---|---|---|
| Hosting | Vercel | Google Cloud |
| CDN | Vercel | Not detected |
| CMS | Ghost | Not detected |
| Frameworks | Next.js, Tailwind CSS | Next.js, Tailwind CSS |
| Analytics | Google Analytics 4, Google Tag Manager | Not detected |
| Open source | Yes | No |
Product and pricing
| Measure | AgentMail | Doorstep |
|---|---|---|
| Key features | Automated Inbox Creation, Usage-Based Pricing, Real-time Event Webhooks, Developer-First API, Semantic Search & Data Extraction | Not published |
What users say
| Measure | AgentMail | Doorstep |
|---|---|---|
| Reddit sentimentThreads we track | 4 positive, 1 negative across 6 threads | Not published |
“Hey everyone! I'm a founder of AgentMail a YCS25 company that gives AI agents their own email inboxes. Recently we ran an experiment: agent(.)email - a landing page and signup flow designed for AI agents instead of humans.”r/AI_Agents
AgentMail vs Doorstep: common questions
Which is better, AgentMail or Doorstep?
On our 0-100 score AgentMail rates higher (57/100 against 37/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 21 data points above: read the rows that match what you are buying for.
How do AgentMail and Doorstep compare on the numbers?
AgentMail leads on our overall score (57/100 against 37/100), agent readiness (80/100 against 22/100), domain rating (65/100 against 12/100), LinkedIn following (6,005 against 1,429). Doorstep leads on headcount (16 against 8), funding raised ($11.2M against $7.5M).
What do real users say about AgentMail and Doorstep?
AgentMail: 4 positive and 1 negative mentions across 6 Reddit threads we track, mostly in r/AI_Agents.
Read the full AgentMail review and pricing or the Doorstep review and pricing. You can also browse other AgentMail alternatives we track.

