Axiom Cloud API
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Welcome

Manage the Axiom LLM Gateway, MCP Gateway and Vibeflow from code with the Axiom Cloud REST API.

The Axiom Cloud API gives you programmatic access to the Axiom Studio platform: the LLM Gateway (provider credentials, OpenAI- and Anthropic-compatible inference, load balancing, fallbacks, FinOps and metrics), the MCP Gateway (MCP server registration, groups, tool restrictions, discovery and observability) and Vibeflow (projects, features, todos, issues, pull requests, compliance, documents and integrations).

What you'll find here

  • API Reference: all 222 operations grouped by product area (LLM Gateway, MCP Gateway, Vibeflow), with request and response schemas, examples and a live API playground.
  • SDKs: client libraries for C#, Python and TypeScript, generated by APIMatic, with code samples on every endpoint.
  • Context Plugin: brings the Axiom Cloud API and SDKs into AI coding assistants such as Claude Code, Cursor and Codex.

Base URL

https://cloud.axiomstudio.ai

All endpoints live under /rest/v1/ (for example /rest/v1/llm-gateway/..., /rest/v1/mcp-gateway/..., /rest/v1/vibeflow/...).

Authentication

Every endpoint requires an Axiom API key, sent as a bearer token:

Authorization: Bearer $AXIOM_API_KEY

Sign in to Axiom Cloud to create a key. See the Axiom Studio docs for product guides.

Common tasks

  • Chat through the LLM Gateway (OpenAI-compatible): POST /rest/v1/llm-gateway/v1/chat/completions
  • Send an Anthropic Messages request: POST /rest/v1/llm-gateway/v1/messages
  • Add an LLM provider credential: POST /rest/v1/llm-gateway/credentials
  • Register an MCP server: POST /rest/v1/mcp-gateway/servers
  • Review LLM spend: GET /rest/v1/llm-gateway/finops/summary
  • List Vibeflow projects: GET /rest/v1/vibeflow/projects

On this page

What you'll find hereBase URLAuthenticationCommon tasks