Completions (legacy)

Uses the legacy Completions protocol format. New code should use Chat Completions; this endpoint exists for backward compatibility only.

POST https://wrouter.ai/v1/completions

Body

Parameter	Type	Required	Notes
model	string	✓	e.g. gpt-3.5-turbo-instruct, davinci-002
prompt	string | string[]	✓	Input
max_tokens	integer
temperature	number
top_p	number
n	integer
stream	boolean
stop	string | string[]
suffix	string
echo	boolean

Response

{
  "id": "cmpl-xxx",
  "object": "text_completion",
  "created": 1718000000,
  "model": "gpt-3.5-turbo-instruct",
  "choices": [{"text": "...", "index": 0, "finish_reason": "stop"}],
  "usage": {"prompt_tokens": 5, "completion_tokens": 7, "total_tokens": 12}
}

Example

curl https://wrouter.ai/v1/completions \
  -H "Authorization: Bearer $WROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"gpt-3.5-turbo-instruct","prompt":"hello, ","max_tokens":16}'