aid: postmark
name: Postmark
description: Postmark is an email delivery service that helps businesses send and track transactional
  and broadcast email reliably, replacing SMTP with a scalable service that surfaces detailed delivery
  analytics, bounce tracking, open and click tracking, and dedicated IP addresses.
type: Index
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: high
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/postmark.png
url: https://raw.githubusercontent.com/api-evangelist/postmark/refs/heads/main/apis.yml
tags:
- Email
- Messaging
- Transactional Email
- Deliverability
- SMTP
- Email API
- Webhook
- Inbound Email
- Email Templates
- Email Analytics
tags_raw:
- Emails
- Messaging
- Transactional Email
- Deliverability
- SMTP
- Email API
- Webhooks
- Inbound Email
- Email Templates
- Email Analytics
created: '2024-04-14'
modified: '2026-09-16'
specificationVersion: '0.23'
apis:
- aid: postmark:postmark-activate-api
  name: Postmark Activate API
  description: The Activate API from Postmark — 1 operation(s) for activate.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Activate
  properties:
  - type: OpenAPI
    url: openapi/postmark-activate-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-activate-api-overlay.yaml
- aid: postmark:postmark-alias-api
  name: Postmark Alias API
  description: The Alias API from Postmark — 1 operation(s) for alias.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Alias
  properties:
  - type: OpenAPI
    url: openapi/postmark-alias-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-alias-api-overlay.yaml
- aid: postmark:postmark-batch-api
  name: Postmark Batch API
  description: The Batch API from Postmark — 2 operation(s) for batch.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Batch
  properties:
  - type: OpenAPI
    url: openapi/postmark-batch-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-batch-api-overlay.yaml
- aid: postmark:postmark-bounceid-api
  name: Postmark Bounceid API
  description: The Bounceid API from Postmark — 3 operation(s) for bounceid.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Bounceid
  properties:
  - type: OpenAPI
    url: openapi/postmark-bounceid-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-bounceid-api-overlay.yaml
- aid: postmark:postmark-bounces-api-api
  name: Postmark Bounces API
  description: The Bounces API API from Postmark — 5 operation(s) for bounces api.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Bounces API
  properties:
  - type: OpenAPI
    url: openapi/postmark-bounces-api-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-bounces-api-api-overlay.yaml
- aid: postmark:postmark-bounces-api
  name: Postmark Bounces API
  description: The Bounces API from Postmark — 2 operation(s) for bounces.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Bounces
  properties:
  - type: OpenAPI
    url: openapi/postmark-bounces-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-bounces-api-overlay.yaml
- aid: postmark:postmark-browser-families-api
  name: Postmark Browser Families API
  description: The Browser Families API from Postmark — 1 operation(s) for browser families.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Browser Families
  properties:
  - type: OpenAPI
    url: openapi/postmark-browser-families-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-browser-families-api-overlay.yaml
- aid: postmark:postmark-bypass-api
  name: Postmark Bypass API
  description: The Bypass API from Postmark — 1 operation(s) for bypass.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Bypass
  properties:
  - type: OpenAPI
    url: openapi/postmark-bypass-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-bypass-api-overlay.yaml
- aid: postmark:postmark-deliverystats-api
  name: Postmark Deliverystats API
  description: The Deliverystats API from Postmark — 1 operation(s) for deliverystats.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Deliverystats
  properties:
  - type: OpenAPI
    url: openapi/postmark-deliverystats-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-deliverystats-api-overlay.yaml
- aid: postmark:postmark-domains-api-api
  name: Postmark Domains API
  description: The Domains API API from Postmark — 6 operation(s) for domains api.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Domains API
  properties:
  - type: OpenAPI
    url: openapi/postmark-domains-api-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-domains-api-api-overlay.yaml
- aid: postmark:postmark-dump-api
  name: Postmark Dump API
  description: The Dump API from Postmark — 2 operation(s) for dump.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Dump
  properties:
  - type: OpenAPI
    url: openapi/postmark-dump-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-dump-api-overlay.yaml
- aid: postmark:postmark-email-api
  name: Postmark Email API
  description: The Email API from Postmark — 4 operation(s) for email.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Email
  properties:
  - type: OpenAPI
    url: openapi/postmark-email-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-email-api-overlay.yaml
- aid: postmark:postmark-inbound-api
  name: Postmark Inbound API
  description: The Inbound API from Postmark — 4 operation(s) for inbound.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Inbound
  properties:
  - type: OpenAPI
    url: openapi/postmark-inbound-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-inbound-api-overlay.yaml
- aid: postmark:postmark-inbound-rules-api-api
  name: Postmark Inbound Rules API
  description: The Inbound Rules API API from Postmark — 2 operation(s) for inbound rules api.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Inbound Rules API
  properties:
  - type: OpenAPI
    url: openapi/postmark-inbound-rules-api-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-inbound-rules-api-api-overlay.yaml
- aid: postmark:postmark-locations-api
  name: Postmark Locations API
  description: The Locations API from Postmark — 1 operation(s) for locations.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Location
  tags_raw:
  - Locations
  properties:
  - type: OpenAPI
    url: openapi/postmark-locations-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-locations-api-overlay.yaml
- aid: postmark:postmark-message-identifier-api
  name: Postmark Message Identifier API
  description: The Message Identifier API from Postmark — 2 operation(s) for message identifier.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Message Identifier
  properties:
  - type: OpenAPI
    url: openapi/postmark-message-identifier-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-message-identifier-api-overlay.yaml
- aid: postmark:postmark-messages-api-api
  name: Postmark Messages API
  description: The Messages API API from Postmark — 11 operation(s) for messages api.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Messages API
  properties:
  - type: OpenAPI
    url: openapi/postmark-messages-api-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-messages-api-api-overlay.yaml
- aid: postmark:postmark-messages-api
  name: Postmark Messages API
  description: The Messages API from Postmark — 11 operation(s) for messages.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Message
  tags_raw:
  - Messages
  properties:
  - type: OpenAPI
    url: openapi/postmark-messages-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-messages-api-overlay.yaml
- aid: postmark:postmark-outbound-api
  name: Postmark Outbound API
  description: The Outbound API from Postmark — 20 operation(s) for outbound.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Outbound
  properties:
  - type: OpenAPI
    url: openapi/postmark-outbound-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-outbound-api-overlay.yaml
- aid: postmark:postmark-sender-signatures-api-api
  name: Postmark Sender Signatures API
  description: The Sender Signatures API API from Postmark — 5 operation(s) for sender signatures api.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Sender Signatures API
  properties:
  - type: OpenAPI
    url: openapi/postmark-sender-signatures-api-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-sender-signatures-api-api-overlay.yaml
- aid: postmark:postmark-sending-api-api
  name: Postmark Sending API
  description: The Sending API API from Postmark — 4 operation(s) for sending api.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Sending API
  properties:
  - type: OpenAPI
    url: openapi/postmark-sending-api-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-sending-api-api-overlay.yaml
- aid: postmark:postmark-server-configuration-api-api
  name: Postmark Server Configuration API
  description: >-
    The Server Configuration API API from Postmark — 1 operation(s) for server configuration api.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Server Configuration API
  properties:
  - type: OpenAPI
    url: openapi/postmark-server-configuration-api-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-server-configuration-api-api-overlay.yaml
- aid: postmark:postmark-server-management-api-api
  name: Postmark Server Management API
  description: The Server Management API API from Postmark — 2 operation(s) for server management api.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Server Management API
  properties:
  - type: OpenAPI
    url: openapi/postmark-server-management-api-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-server-management-api-api-overlay.yaml
- aid: postmark:postmark-servers-api
  name: Postmark Servers API
  description: The Servers API from Postmark — 1 operation(s) for servers.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Servers
  properties:
  - type: OpenAPI
    url: openapi/postmark-servers-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-servers-api-overlay.yaml
- aid: postmark:postmark-stats-api-api
  name: Postmark Stats API
  description: The Stats API API from Postmark — 12 operation(s) for stats api.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Stats API
  properties:
  - type: OpenAPI
    url: openapi/postmark-stats-api-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-stats-api-api-overlay.yaml
- aid: postmark:postmark-templates-api-api
  name: Postmark Templates API
  description: The Templates API API from Postmark — 6 operation(s) for templates api.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Templates API
  properties:
  - type: OpenAPI
    url: openapi/postmark-templates-api-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-templates-api-api-overlay.yaml
- aid: postmark:postmark-templates-api
  name: Postmark Templates API
  description: The Templates API from Postmark — 4 operation(s) for templates.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Templates
  properties:
  - type: OpenAPI
    url: openapi/postmark-templates-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-templates-api-overlay.yaml
- aid: postmark:postmark-triggerid-api
  name: Postmark Triggerid API
  description: The Triggerid API from Postmark — 1 operation(s) for triggerid.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Triggerid
  properties:
  - type: OpenAPI
    url: openapi/postmark-triggerid-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-triggerid-api-overlay.yaml
- aid: postmark:postmark-triggers-api
  name: Postmark Triggers API
  description: The Triggers API from Postmark — 4 operation(s) for triggers.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Triggers
  properties:
  - type: OpenAPI
    url: openapi/postmark-triggers-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
  - type: Overlay
    url: overlays/postmark-triggers-api-overlay.yaml
- aid: postmark:postmark-email-clients-api
  name: Postmark Email Clients API
  description: The Email Clients API from Postmark — 1 operation(s) for email clients.
  humanURL: https://postmarkapp.com/developer
  baseURL: https://api.postmarkapp.com
  tags:
  - Email Client
  tags_raw:
  - Email Clients
  properties:
  - type: OpenAPI
    url: openapi/postmark-email-clients-api-openapi.yml
  - type: Documentation
    url: https://postmarkapp.com/developer
  - type: GettingStarted
    url: https://postmarkapp.com/developer/api/overview
  - type: Authentication
    url: https://postmarkapp.com/developer/api/overview#authentication
  - type: AsyncAPI
    url: asyncapi/postmark-webhooks-asyncapi.yml
common:
- type: CapabilityMap
  url: capabilities/postmark-capability-edges.yml
  name: Postmark Business Capability Map
- type: Overlay
  url: overlays/postmark-emailclients-api-overlay.yaml
- type: Overlay
  url: overlays/postmark-messages-inbound-messageid-api-overlay.yaml
- type: Overlay
  url: overlays/postmark-messages-outbound-clicks-api-overlay.yaml
- type: Overlay
  url: overlays/postmark-messages-outbound-messageid-api-overlay.yaml
- type: Overlay
  url: overlays/postmark-messages-outbound-opens-api-overlay.yaml
- type: Overlay
  url: overlays/postmark-platforms-api-overlay.yaml
- type: Overlay
  url: overlays/postmark-readtimes-api-overlay.yaml
- type: Overlay
  url: overlays/postmark-retry-api-overlay.yaml
- type: Overlay
  url: overlays/postmark-sends-api-overlay.yaml
- type: Overlay
  url: overlays/postmark-spam-api-overlay.yaml
- type: Overlay
  url: overlays/postmark-statistics-api-overlay.yaml
- type: Overlay
  url: overlays/postmark-stats-outbound-api-overlay.yaml
- type: Overlay
  url: overlays/postmark-stats-outbound-clicks-api-overlay.yaml
- type: Overlay
  url: overlays/postmark-stats-outbound-opens-api-overlay.yaml
- type: Overlay
  url: overlays/postmark-template-api-overlay.yaml
- type: Overlay
  url: overlays/postmark-triggers-inboundrules-api-overlay.yaml
- type: Overlay
  url: overlays/postmark-triggers-tags-api-overlay.yaml
- type: Overlay
  url: overlays/postmark-validate-api-overlay.yaml
- type: AgenticAccess
  url: agentic-access/postmark-agentic-access.yml
- type: DomainSecurity
  url: security/postmark-domain-security.yml
- name: Agent Skills
  url: https://github.com/ActiveCampaign/postmark-skills
  type: AgentSkills
- type: Website
  url: https://postmarkapp.com
- type: Documentation
  url: https://postmarkapp.com/developer
- type: GettingStarted
  url: https://postmarkapp.com/developer/api/overview
- type: Pricing
  url: https://postmarkapp.com/pricing
- type: Signup
  url: https://account.postmarkapp.com/sign_up
- type: Login
  url: https://account.postmarkapp.com/login
- type: Blog
  url: https://postmarkapp.com/blog
- type: Support
  url: https://postmarkapp.com/support
- type: StatusPage
  url: https://status.postmarkapp.com
- type: Templates
  url: https://postmarkapp.com/transactional-email-templates
- type: ChangeLog
  url: https://postmarkapp.com/updates
- type: TermsOfService
  url: https://postmarkapp.com/terms-of-service
- type: PrivacyPolicy
  url: https://wildbit.com/privacy
- type: GitHub
  url: https://github.com/ActiveCampaign
- type: Twitter
  url: https://twitter.com/postmarkapp
- type: LinkedIn
  url: https://www.linkedin.com/company/postmarkapp
- type: Features
  data:
  - 'Free: 100 emails/month'
  - 'Basic: $15/mo for 10K emails'
  - 'Pro: $16.50/mo for 10K emails with templates and webhooks'
  - 'Platform: $18/mo for 10K emails with multiple servers and dedicated IPs'
  - Email API and SMTP server
  - Templates with versioning (Pro+)
  - Webhooks for delivery, bounce, open, click, spam, subscription events
  - Bounce and spam complaint handling
  - Server tokens for per-environment isolation
  - Send up to 500 emails per batch request
  - Inbound email parsing
  - Message Streams (broadcast vs transactional)
  - OpenTracker beacon for opens/clicks
  - Suppression management
  - Dedicated IPs (Platform)
  - Best-in-class deliverability
  sources:
  - https://postmarkapp.com/pricing
  updated: '2026-05-04'
- type: Packages
  url: packages/postmark-packages.yml
- type: SDKs
  url: packages/postmark-packages.yml
- type: MCPServer
  url: mcp/postmark-mcp.yml
- type: ToolCrosswalk
  url: mcp/postmark-tool-crosswalk.yml
- type: LLMsTxt
  url: llms/postmark-llms.txt
- type: Conformance
  url: conformance/postmark-conformance.yml
- type: Compliance
  url: security/postmark-trust-center.yml
- type: TrustCenter
  url: security/postmark-trust-center.yml
- type: ErrorCatalog
  url: errors/postmark-problem-types.yml
- type: Lifecycle
  url: lifecycle/postmark-lifecycle.yml
- type: Deprecation
  url: lifecycle/postmark-lifecycle.yml
- type: Authentication
  url: authentication/postmark-authentication.yml
- type: Conventions
  url: conventions/postmark-conventions.yml
- type: ChangeLog
  url: changelog/postmark-changelog.yml
- type: CLI
  url: cli/postmark-cli.yml
- type: DataModel
  url: data-model/postmark-data-model.yml
- type: Sandbox
  url: sandbox/postmark-sandbox.yml
- type: Plans
  url: plans/postmark-plans-pricing.yml
- type: RateLimits
  url: rate-limits/postmark-rate-limits.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Webhooks
  url: asyncapi/postmark-webhooks-asyncapi.yml
- type: AsyncAPI
  url: asyncapi/postmark-webhooks-asyncapi.yml
- type: FinOps
  url: finops/postmark-finops.yml
- type: Vocabulary
  url: vocabulary/postmark-vocabulary.yml
- type: DeveloperPortal
  url: https://postmarkapp.com/developer
- type: APIReference
  url: https://postmarkapp.com/developer/api/overview
- type: GitHubOrganization
  url: https://github.com/ActiveCampaign
- type: Postman
  url: https://god.gw.postman.com/run-collection/15802082-f50b3ffc-9eee-4ab1-bdc5-8b423d19d535?action=collection%2Ffork&source=rip_markdown&collection-url=entityId%3D15802082-f50b3ffc-9eee-4ab1-bdc5-8b423d19d535%26entityType%3Dcollection%26workspaceId%3D55e9c6f2-5d69-40a5-b00b-caec1640454c
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
x-enrichment:
  date: '2026-08-13'
  status: enriched
  artifacts_added: 63
  pass: local-v1