# Not implemented in V1

`POST /v1/completions`

Use POST /v1/chat/completions instead.

Base URL: `https://api.simplellm.eu`. Authenticate using `Authorization: Bearer $SIMPLELLM_API_KEY`.

> This endpoint is not implemented. Use [Chat completions](/docs/reference/createChatCompletion.html).

## Responses

### HTTP 501

Not implemented

Content-Type: `application/json`

| Field | Type | Required | Meaning |
| --- | --- | --- | --- |
| `error` | `object` | Yes |  |
| `error.message` | `string` | No |  |
| `error.type` | `string` | No |  |
| `error.code` | `string` | No |  |

## Error handling

Errors can occur in authentication, billing, routing or the upstream service; not every status applies to every route.

| Status | Meaning |
| --- | --- |
| 400 | Invalid request |
| 401 | Invalid credentials |
| 402 | Insufficient credits |
| 403 | Access denied |
| 404 | Model or resource not found |
| 429 | Rate or capacity limit |
| 500 | Internal error |
| 501 | Not implemented |
| 502 | Routing or upstream error |
| 503 | Temporarily unavailable |
| 504 | Deployment timeout |

See [Troubleshooting](/docs/errors.html) for response examples and [Rate limits & retries](/docs/limits.html) for retry rules.

## Machine-readable schema

[Download OpenAPI JSON](/openapi.json). Operation ID: `legacyCompletions`.