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Exclaimer Mailboxes API

The Mailboxes API from Exclaimer — 1 operation(s) for mailboxes.

Exclaimer Mailboxes API is one of 9 APIs that Exclaimer publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Mailboxes. The published artifact set on APIs.io includes an OpenAPI specification, an API reference, API documentation, authentication docs, and rate-limit docs.

This API exposes 2 operations across 1 path, and defines 2 schemas. It is described by OpenAPI 3.2.0, at version 1.

Requests are made against a single base URL, https://cloudapi.exclaimer.com/exclaimerapi.

2 operations 1 paths 2 schemas 1 GET1 PUT

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
1
Base URL
https://cloudapi.exclaimer.com/exclaimerapi
Authentication
API Key
Resource Areas
1

Authentication & Security 1

Exclaimer Mailboxes API declares 1 security scheme for authenticating requests. An API key is passed in the header as ExApiToken (Exclaimer). By default, every request must be authenticated.

Paths & Operations 2

Across 1 path, the API surfaces 2 operations — 1 GET, 1 PUT. Each is listed below with its method, path, parameters, and response codes.

Mailboxes 2
GET
/1.0/subscriptions/{SubscriptionID}/mailbox-count
Get Mailbox Count
1 param → 200400401404500
PUT
/1.0/subscriptions/{SubscriptionID}/mailbox-count
Update Mailbox Count
1 param body → 204400401404415500

Schemas 2

The contract defines 2 schemas that model the data the API accepts and returns. The most detailed are MailboxCountResponse (2 properties), UpdateMailboxCount (1 property). Each schema is shown below with its type and property counts.

UpdateMailboxCount
object
This request will update the number of users (mailboxes) for a subscription.
1 property 1 required
MailboxCountResponse
object
2 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

exclaimer-mailboxes-api-openapi.yml Raw ↑

Other APIs Exclaimer publishes across the network.

Exclaimer End Users API
Exclaimer Miscellaneous API
Exclaimer MSP API
Exclaimer Reference Resources API
Exclaimer Resellers API
Exclaimer Subscription Transfers API
Exclaimer Subscription Users API
Exclaimer Subscriptions API
Where this information came from

This is an independent, third-party profile of Exclaimer Mailboxes API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

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