xAI Messages API
The Messages API from xAI — 1 operation(s) for messages.
xAI Messages API is one of 17 APIs that xAI publishes on the APIs.io network, described by a machine-readable OpenAPI specification and an AsyncAPI event-driven specification.
Tagged areas include Message. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and an AsyncAPI specification.
This API exposes 1 operation across 1 path, and defines 16 schemas. It is described by OpenAPI 3.2.0, at version 1.0.0.
Requests are made against the base URL https://api.x.ai/v1.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 1
xAI Messages API declares
1 security scheme
for authenticating requests.
It accepts HTTP bearer tokens (bearerAuth).
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.
Schemas 16
The contract defines 16 schemas that model the data the API accepts and returns. The most detailed are MessageRequest (12 properties), MessageResponse (8 properties), MessageUsage (4 properties), MessageTools (4 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from xAI 12
Other APIs xAI publishes across the network.
This is an independent, third-party profile of xAI Messages 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.
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