---
title: "POST /beta/generate"
method: POST
path: "/beta/generate"
---

# POST /beta/generate

`POST /beta/generate`

## Response `200`

Langbase: Beta Generate

- object
  - `success` boolean
  - `completion` string, required
  - `raw` object, required
    - `id` string, required
    - `object` string, required
    - `created` number, required
    - `model` string, required
    - `provider` string
    - `choices` object[], required
      - `index` number, required
      - `message` object, required
        - `role` 'user' | 'system' | 'tool' | 'assistant', required
        - `content` string, nullable, required
        - `refusal` string, nullable
        - `annotations` unknown[]
          - unknown
        - `tool_calls` object[], required
          - `id` string, required
          - `type` 'function', required
          - `function` object, required
            - `name` string, required
            - `arguments` string
      - `logprobs` string, nullable
      - `finish_reason` string
    - `usage` object, required
      - `prompt_tokens` number, required
      - `completion_tokens` number, required
      - `total_tokens` number, required
      - `prompt_tokens_details` object
        - `cached_tokens` number, required
        - `audio_tokens` number, required
      - `completion_tokens_details` object
        - `reasoning_tokens` number, required
        - `audio_tokens` number, required
        - `accepted_prediction_tokens` number, required
        - `rejected_prediction_tokens` number, required
    - `service_tier` string
    - `system_fingerprint` string, nullable

## Other responses

- `400` — Bad Request
- `500` — Internal Server Error

---

[API](https://skmtc.net/langbase/apis/langbase-api.md) · [All operations](https://skmtc.net/langbase/apis/langbase-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/langbase/langbase-api/versions/a8ae3cd9597e/schema)