Postmark · GraphQL Specification

Postmark GraphQL Schema

> **NOT A POSTMARK SURFACE — DO NOT WIRE AS `type: GraphQL`.**

Documentation Endpoint View on GitHub EmailsMessagingTransactional EmailDeliverabilitySMTPEmail APIWebhookinbound emailEmail TemplatesEmail AnalyticsGraphQL

Overview

Postmark GraphQL Schema is a GraphQL API specification published by Postmark on the APIs.io network.

NOT A POSTMARK SURFACE — DO NOT WIRE AS type: GraphQL.

Tagged areas include Emails, Messaging, Transactional Email, Deliverability, and SMTP.

Endpoint

Related API Specs

Postmark Activate API (OpenAPI) Postmark Alias API (OpenAPI) Postmark Batch API (OpenAPI) Postmark Bounceid API (OpenAPI) Postmark Bounces API API (OpenAPI) Postmark Bounces API (OpenAPI) Postmark Browser Families API (OpenAPI) Postmark Bypass API (OpenAPI) Postmark Deliverystats API (OpenAPI) Postmark Domains API API (OpenAPI) Postmark Dump API (OpenAPI) Postmark Email API (OpenAPI) Postmark Emailclients API (OpenAPI) Postmark Inbound API (OpenAPI) Postmark Inbound Rules API API (OpenAPI) Postmark Locations API (OpenAPI) Postmark Message Identifier API (OpenAPI) Postmark Messages API API (OpenAPI) Postmark Messages API (OpenAPI) Postmark Outbound API (OpenAPI) Postmark Sender Signatures API API (OpenAPI) Postmark Sending API API (OpenAPI) Postmark Server Configuration API API (OpenAPI) Postmark Server Management API API (OpenAPI) Postmark Servers API (OpenAPI) Postmark Stats API API (OpenAPI) Postmark Templates API API (OpenAPI) Postmark Templates API (OpenAPI) Postmark Triggerid API (OpenAPI) Postmark Triggers API (OpenAPI)
Back to Postmark · All GraphQL Specs · GitHub

Work with this as data

Every GraphQL schema 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 graphql

4 MCP tools reach this
  • find_graphqlBrowse and filter every GraphQL schema in the catalog.
  • 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 GraphQL schema 
curl "https://apis.io/api/v1/graphql/postmark-graphql"
All graphql 
curl "https://apis.io/api/v1/graphql?limit=25"

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

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

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