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POST
/
langchain
/
v1
/
completions
Error
A valid request URL is required to generate request examples
{
  "id": "<string>",
  "choices": [
    {
      "index": 123,
      "finish_reason": "<string>",
      "log_probs": {
        "content": [
          {
            "bytes": [
              123
            ],
            "logprob": 123,
            "token": "<string>",
            "top_logprobs": [
              {
                "bytes": [
                  123
                ],
                "logprob": 123,
                "token": "<string>"
              }
            ]
          }
        ],
        "refusal": [
          {
            "bytes": [
              123
            ],
            "logprob": 123,
            "token": "<string>"
          }
        ],
        "text_offset": [
          123
        ],
        "token_logprobs": [
          123
        ],
        "tokens": [
          "<string>"
        ],
        "top_logprobs": [
          {}
        ]
      },
      "text": "<string>",
      "message": {
        "name": "<string>",
        "content": "<string>",
        "tool_call_id": "<string>",
        "refusal": "<string>",
        "audio": {
          "id": "<string>",
          "data": "<string>",
          "expires_at": 123,
          "transcript": "<string>"
        },
        "reasoning": "<string>",
        "reasoning_details": [
          {
            "id": "<string>",
            "index": 123,
            "summary": "<string>",
            "text": "<string>",
            "signature": "<string>",
            "data": "<string>"
          }
        ],
        "annotations": [
          {
            "type": "<string>",
            "url_citation": {
              "start_index": 123,
              "end_index": 123,
              "title": "<string>",
              "url": "<string>",
              "sources": {},
              "type": "<string>"
            }
          }
        ],
        "tool_calls": [
          {
            "function": {
              "name": "<string>",
              "arguments": "<string>"
            },
            "index": 123,
            "type": "<string>",
            "id": "<string>"
          }
        ]
      },
      "delta": {
        "role": "<string>",
        "content": "<string>",
        "refusal": "<string>",
        "audio": {
          "id": "<string>",
          "data": "<string>",
          "expires_at": 123,
          "transcript": "<string>"
        },
        "reasoning": "<string>",
        "reasoning_details": [
          {
            "id": "<string>",
            "index": 123,
            "summary": "<string>",
            "text": "<string>",
            "signature": "<string>",
            "data": "<string>"
          }
        ],
        "tool_calls": [
          {
            "function": {
              "name": "<string>",
              "arguments": "<string>"
            },
            "index": 123,
            "type": "<string>",
            "id": "<string>"
          }
        ]
      }
    }
  ],
  "model": "<string>",
  "object": "<string>",
  "system_fingerprint": "<string>",
  "usage": {
    "prompt_tokens": 123,
    "prompt_tokens_details": {
      "text_tokens": 123,
      "audio_tokens": 123,
      "image_tokens": 123,
      "cached_read_tokens": 123,
      "cached_write_tokens": 123
    },
    "completion_tokens": 123,
    "completion_tokens_details": {
      "text_tokens": 123,
      "accepted_prediction_tokens": 123,
      "audio_tokens": 123,
      "citation_tokens": 123,
      "num_search_queries": 123,
      "reasoning_tokens": 123,
      "image_tokens": 123,
      "rejected_prediction_tokens": 123
    },
    "total_tokens": 123,
    "cost": {
      "input_tokens_cost": 123,
      "output_tokens_cost": 123,
      "reasoning_tokens_cost": 123,
      "citation_tokens_cost": 123,
      "search_queries_cost": 123,
      "request_cost": 123,
      "total_cost": 123
    }
  },
  "extra_fields": {
    "request_type": "<string>",
    "model_requested": "<string>",
    "model_deployment": "<string>",
    "latency": 123,
    "chunk_index": 123,
    "raw_request": {},
    "raw_response": {},
    "cache_debug": {
      "cache_hit": true,
      "cache_id": "<string>",
      "hit_type": "<string>",
      "requested_provider": "<string>",
      "requested_model": "<string>",
      "provider_used": "<string>",
      "model_used": "<string>",
      "input_tokens": 123,
      "threshold": 123,
      "similarity": 123
    }
  }
}

Documentation Index

Fetch the complete documentation index at: https://docs.getbifrost.ai/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

Authorization
string
header
required

Bearer token authentication. Use your provider API key or Bifrost authentication token. Virtual keys (prefixed with sk-bf-) can also be passed here.

Body

application/json
model
string
required

Model identifier

Example:

"gpt-3.5-turbo-instruct"

prompt
required

The prompt(s) to generate completions for

stream
boolean

Whether to stream the response

max_tokens
integer
temperature
number
Required range: 0 <= x <= 2
top_p
number
frequency_penalty
number
Required range: -2 <= x <= 2
presence_penalty
number
Required range: -2 <= x <= 2
logit_bias
object
logprobs
integer
n
integer
stop
suffix
string
echo
boolean
best_of
integer
user
string
seed
integer
fallbacks
string[]

Response

Successful response

id
string
choices
object[]
model
string
object
string
system_fingerprint
string
usage
object

Token usage information

extra_fields
object

Additional fields included in responses