Postmark

Postmark Message Identifier API

The Message Identifier API from Postmark — 2 operation(s) for message identifier.

Documentation GitHub OpenAPI

Operations 2

GET /messages/outbound/clicks/{messageid} Postmark Retrieve Message Clicks

GET /messages/outbound/opens/{messageid} Postmark Retrieve Message Opens

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/postmark-message-identifier-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: Postmark Message Identifier API
  description: 'Postmark helps deliver and track application email. In a nutshell, the

    service replaces SMTP (or Sendmail) with a far more reliable, scalable and

    care-free environment. In addition, you can track statistics such as

    number of emails sent or processed, opens, bounces and spam complaints.'
  version: 1.0.0
servers:
- url: http://{{baseurl}}
tags:
- name: Message Identifier
paths:
  /messages/outbound/clicks/{messageid}:
    get:
      tags:
      - Message Identifier
      summary: Postmark Retrieve Message Clicks
      parameters:
      - name: count
        in: query
        schema:
          type: string
        description: Number of bounces to return per request. Max 500.
        example: <integer>
      - name: offset
        in: query
        schema:
          type: string
        description: Number of bounces to skip.
        example: <integer>
      - name: messageid
        in: path
        schema:
          type: string
        required: true
        description: The ID of the message which should bypass inbound rules.
        example: <string>
      responses:
        '200':
          description: Successful response
          content:
            application/json: {}
  /messages/outbound/opens/{messageid}:
    get:
      tags:
      - Message Identifier
      summary: Postmark Retrieve Message Opens
      parameters:
      - name: count
        in: query
        schema:
          type: string
        description: Number of bounces to return per request. Max 500.
        example: <integer>
      - name: offset
        in: query
        schema:
          type: string
        description: Number of bounces to skip.
        example: <integer>
      - name: messageid
        in: path
        schema:
          type: string
        required: true
        description: The ID of the message which should bypass inbound rules.
        example: <string>
      responses:
        '200':
          description: Successful response
          content:
            application/json: {}