410 Labs website screenshot

410 Labs

410 Labs is a lean product studio based in Baltimore, Maryland, founded in 2010 by Dave Troy and Matthew Koll with the mission of helping people communicate and access information in new and better ways. The company is best known for Mailstrom, a web-based inbox management and email cleanup tool that groups messages by sender, subject, time, and size so users can act on thousands of related emails at once across Gmail, Google Workspace, Outlook, Apple, AOL, Exchange, and any IMAP mail service. 410 Labs also built the Chuck iPhone app for fast on-the-go email triage, and earlier products Shortmail and Replyz. It is a consumer productivity software company that does not currently publish a public developer API; this profile captures its public web properties for the API Evangelist network. 410 Labs was surfaced as a portfolio company of 500 Global.

410 Labs is profiled on the APIs.io network. Tagged areas include Company, Email, Productivity, Inbox Management, and Email Cleanup.

410 Labs’ developer surface includes pricing, support, and 6 more developer resources.

🌐 Visit website 📡 Source on GitHub
16.6/100 emerging ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyEmailProductivityInbox ManagementEmail CleanupConsumer SoftwareStartup

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 16.6/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 0.9 / 20
Commercial Clarity 8.9 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 6.8 / 10
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/410-labs: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

410 Labs Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

Login
Login

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support
Support

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: 410-labs
name: 410 Labs
description: 410 Labs is a lean product studio based in Baltimore, Maryland, founded in 2010 by Dave Troy and Matthew Koll
  with the mission of helping people communicate and access information in new and better ways. The company is best known
  for Mailstrom, a web-based inbox management and email cleanup tool that groups messages by sender, subject, time, and size
  so users can act on thousands of related emails at once across Gmail, Google Workspace, Outlook, Apple, AOL, Exchange, and
  any IMAP mail service. 410 Labs also built the Chuck iPhone app for fast on-the-go email triage, and earlier products Shortmail
  and Replyz. It is a consumer productivity software company that does not currently publish a public developer API; this
  profile captures its public web properties for the API Evangelist network. 410 Labs was surfaced as a portfolio company
  of 500 Global.
url: https://raw.githubusercontent.com/api-evangelist/410-labs/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- 500-global
x-tier: stub
x-tier-reason: portfolio-lead
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-17'
image: https://mailstrom.co/assets/og-image.png
tags:
- Company
- Email
- Productivity
- Inbox Management
- Email Cleanup
- Consumer Software
- Startup
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/410-labs-domain-security.yml
- type: Website
  url: https://410labs.com
- type: Website
  name: Mailstrom
  url: https://mailstrom.co
- type: Pricing
  url: https://mailstrom.co/pricing
- type: Login
  url: https://mailstrom.co/login
- type: Support
  url: https://mailstrom.co/contact
- type: TermsOfService
  url: https://mailstrom.co/terms
- type: PrivacyPolicy
  url: https://mailstrom.co/privacy
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence