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Roblox Engine API Messaging API

Cross-server messaging service

Roblox Engine API Messaging API is one of 8 APIs that Roblox Engine API publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 2 JSON Schema definitions.

Tagged areas include Messaging. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and 2 JSON Schemas.

This API exposes 1 operation across 1 path, and defines 2 schemas. It is described by OpenAPI 3.0.3, at version v2.

Requests are made against a single base URL, https://apis.roblox.com.

1 operations 1 paths 2 schemas 1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.3
API Version
v2
Base URL
https://apis.roblox.com
Authentication
API Key
License
Proprietary
Terms of Service
Resource Areas
1

Authentication & Security 1

Roblox Engine API Messaging API declares 1 security scheme for authenticating requests. An API key is passed in the header as x-api-key (ApiKeyAuth).

  • ApiKeyAuth — Roblox Open Cloud API key scoped to specific resources

Paths & Operations 1

Across 1 path, the API surfaces 1 operation — 1 POST. Each is listed below with its method, path, parameters, and response codes.

Messaging 1

Cross-server messaging service

POST
/messaging-service/v1/universes/{universeId}/topics/{topic}
Publish Message
publishMessage 2 params body → 200401403

Schemas 2

The contract defines 2 schemas that model the data the API accepts and returns. The most detailed are Error (3 properties), PublishMessageRequest (1 property). Each schema is shown below with its type and property counts.

Error
object
3 properties
PublishMessageRequest
object
1 property 1 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

roblox-engine-api-messaging-api-openapi.yml Raw ↑

Other APIs Roblox Engine API publishes across the network.

Roblox Engine API
Roblox Engine API Assets API
Roblox Engine API Data Stores API
Roblox Engine API Groups API
Roblox Engine API Places API
Roblox Engine API Universes API
Roblox Engine API Users API