Postmark App
PulseGate's liveness check found it on 5 Oct 2026; it has been in the index since 4 Sep 2026. How this is checked
Postmark is a hosted email delivery service for sending transactional and marketing messages through SMTP and APIs. It provides message streams, templates, inbound email processing, delivery analytics, and integrations for developers and businesses.
Inferred · not functionally tested
Overview
6 featuresPurpose: Delivering transactional and marketing emails reliably without managing email infrastructure or deliverability.
Inferred · not functionally tested
Audience: developers and businesses sending application email
Inferred · not functionally tested
Functions: Unknown
Interfaces: API: indicated (inferred, not tested) · MCP: unknown · CLI: indicated (inferred, not tested) · Self-hosting: unknown
Recorded constraints: pricing: freemium · license: Proprietary · platforms: CLI, WEB · deployment: browser, cli, cloud_managed, api_only
Constraint provenance is unknown; confirm requirements with the publisher.
Record sources: postmarkapp.com. These links do not verify the individual claims.
In the Email & SMS campaigns space, Postmark App takes a focused approach. Inferred · not functionally tested: It focuses on delivering transactional and marketing emails reliably without managing email infrastructure or deliverability. Inferred · not functionally tested: It is built as a B2B product for developers and businesses sending application email. Basis unknown · not verified: There is a free tier, and paid plans start at $15. Basis unknown · not verified: Postmark App is available on the web, the command line, and API.
Behind Postmark App is ActiveCampaign, LLC, based in the United States. Inferred · not functionally tested: Among its 6 catalogued features are Email API, SMTP service, and message streams. Inferred · not functionally tested: Catalogued interfaces include a public API and a Zapier integration.
Summary written by a language model from the project’s public pages.
Tasks: Inferred · not functionally tested
- Email API
- SMTP service
- Message streams
- Email templates
- Inbound email
- Delivery analytics
Topics: Inferred · not functionally tested
Built with & integrations
- Cloudflare
- cf-ray header · cf-cache-status header
Trust & compliance
Indexing history
2What PulseGate has recorded for this listing
- Indexed4 Sep · 17:13 UTCpostmark-rails-andyw8 seen via RubyGems newly publishedSource: RubyGems newly published · Open
Frequently asked questions about Postmark App
- What does Postmark App do?
- Inferred · not functionally tested: Postmark App focuses on delivering transactional and marketing emails reliably without managing email infrastructure or deliverability. It is catalogued under Email & SMS campaigns on PulseGate.
- Who should use Postmark App?
- Inferred · not functionally tested: Postmark App is a B2B product built for developers and businesses sending application email.
- How much does Postmark App cost?
- Basis unknown · not verified: Paid plans start at $15, and a free tier is available.
- What platforms does Postmark App run on?
- Basis unknown · not verified: Postmark App runs on the web, the command line, and API.
- Is Postmark App still active?
- PulseGate's liveness check found it on 5 Oct 2026.
- What are alternatives to Postmark App?
- Similar projects tracked by PulseGate include PostmarkApp Email Integrator, PostMTA, and Postmarkr.PostmarkApp Email IntegratorPostMTAPostmarkr
- Who makes Postmark App?
- Postmark App is developed by ActiveCampaign, LLC, based in the United States.
- Does Postmark App have an API or integrations?
- Inferred · not functionally tested: Yes — Postmark App exposes a public API and a Zapier integration.
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