Mastra
MarkdownAgent framework · OpenAI Chat, OpenAI Responses
Full guide
| Format | Where to set it up |
|---|---|
| OpenAI Chat, OpenAI Responses | In Agent: model: { id: "<provider>/<model>", url: "<baseURL>", apiKey, api?: "chat" | "responses" } |
Setup
Copy the configuration and replace sk-... with your key from the Ailoot Dashboard. Prefer storing the key in the environment variable AILOOT_API_KEY, if the application supports it.
Before starting, request GET /v1/models with your Ailoot key. Choose an exact model ID whose methods include POST /v1/chat/completions, POST /v1/responses, then use that ID in the configuration. For agents, also check tool support and the features required by your client version.
import { Agent } from "@mastra/core/agent";
const agent = new Agent({
id: "ailoot-agent",
name: "Ailoot Agent",
instructions: "Respond in Russian",
model: {
id: "ailoot/claude-sonnet-5-5",
url: "https://api.ailoot.ai/v1",
apiKey: process.env.AILOOT_API_KEY
// api: "responses" // only for models with the responses method
}
});This configuration reads the key from the environment variable AILOOT_API_KEY. Set it before starting the application:
export AILOOT_API_KEY="sk-..." # add to ~/.zshrc or ~/.bashrcsetx AILOOT_API_KEY "sk-..." # then restart the terminalExample model: ailoot/claude-sonnet-5-5, ailoot/gpt-6.1-sol. Choose any other model from the catalog — check that it supports the format you need.
Good to know
Test
- For the OpenAI format, the URL is
https://api.ailoot.ai/v1(or the full path if the application asks for a full URL). - Ask a short question. If you get an error, check the code and Request ID, then consult Errors and limits.
- 404 immediately after setup almost always means the URL is wrong: an extra or missing
/v1. - 402 — insufficient balance for the reserve. Agents reserve more than chat: why.
Application documentation: https://mastra.ai/models