OpenAI Chat Completions (HTTP)

Moltbot’s Gateway can serve a small OpenAI-compatible Chat Completions endpoint.

This endpoint is disabled by default. Enable it in config first.

POST /v1/chat/completions
Same port as the Gateway (WS + HTTP multiplex): http://<gateway-host>:<port>/v1/chat/completions

Under the hood, requests are executed as a normal Gateway agent run (same codepath as moltbot agent), so routing/permissions/config match your Gateway.

Authentication

Uses the Gateway auth configuration. Send a bearer token:

Authorization: Bearer <token>

Notes:

When gateway.auth.mode="token", use gateway.auth.token (or CLAWDBOT_GATEWAY_TOKEN).
When gateway.auth.mode="password", use gateway.auth.password (or CLAWDBOT_GATEWAY_PASSWORD).

Choosing an agent

No custom headers required: encode the agent id in the OpenAI model field:

model: "moltbot:<agentId>" (example: "moltbot:main", "moltbot:beta")
model: "agent:<agentId>" (alias)

Or target a specific Moltbot agent by header:

x-moltbot-agent-id: <agentId> (default: main)

Advanced:

x-moltbot-session-key: <sessionKey> to fully control session routing.

Enabling the endpoint

Set gateway.http.endpoints.chatCompletions.enabled to true:

{
  gateway: {
    http: {
      endpoints: {
        chatCompletions: { enabled: true }
      }
    }
  }
}

Disabling the endpoint

Set gateway.http.endpoints.chatCompletions.enabled to false:

{
  gateway: {
    http: {
      endpoints: {
        chatCompletions: { enabled: false }
      }
    }
  }
}

Session behavior

By default the endpoint is stateless per request (a new session key is generated each call).

If the request includes an OpenAI user string, the Gateway derives a stable session key from it, so repeated calls can share an agent session.

Streaming (SSE)

Set stream: true to receive Server-Sent Events (SSE):

Content-Type: text/event-stream
Each event line is data: <json>
Stream ends with data: [DONE]

Examples

Non-streaming:

curl -sS http://127.0.0.1:18789/v1/chat/completions \
  -H 'Authorization: Bearer YOUR_TOKEN' \
  -H 'Content-Type: application/json' \
  -H 'x-moltbot-agent-id: main' \
  -d '{
    "model": "moltbot",
    "messages": [{"role":"user","content":"hi"}]
  }'

Streaming:

curl -N http://127.0.0.1:18789/v1/chat/completions \
  -H 'Authorization: Bearer YOUR_TOKEN' \
  -H 'Content-Type: application/json' \
  -H 'x-moltbot-agent-id: main' \
  -d '{
    "model": "moltbot",
    "stream": true,
    "messages": [{"role":"user","content":"hi"}]
  }'

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