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POST
/
query
JavaScript
import Morphik from 'morphik';

const client = new Morphik({
  apiKey: 'My API Key',
});

const completionResponse = await client.query.generateCompletion({ query: 'x' });

console.log(completionResponse.completion);
{
  "completion": "<string>",
  "usage": {},
  "finish_reason": "<string>",
  "sources": [],
  "metadata": {}
}

Headers

​
authorization
string

Body

application/json

Request model for completion generation

​
query
string
required

Natural-language query used to retrieve relevant chunks or documents.

Minimum length: 1
​
filters
object | null

Metadata filters supporting logical operators ($and/$or/$not/$nor) and field predicates ($eq/$ne/$gt/$gte/$lt/$lte/$in/$nin/$exists/$type/$regex/$contains).

​
k
integer
default:4

Maximum number of chunks or documents to return.

Required range: x > 0
​
min_score
number
default:0

Minimum similarity score a result must meet before it is returned.

​
use_reranking
boolean | null

When provided, overrides the workspace reranking configuration for this request.

​
use_colpali
boolean | null

When provided, uses Morphik's finetuned ColPali style embeddings (recommended to be True for high quality retrieval).

​
output_format
enum<string> | null
default:base64

How to return image chunks: base64 data URI (default) or a presigned URL

Available options:
base64,
url
​
padding
integer
default:0

Number of additional chunks/pages to retrieve before and after matched chunks (ColPali only)

Required range: x >= 0
​
graph_name
string | null

Name of the graph to use for knowledge graph-enhanced retrieval

​
hop_depth
integer | null
default:1

Number of relationship hops to traverse in the graph

Required range: 1 <= x <= 3
​
include_paths
boolean | null
default:false

Whether to include relationship paths in the response

​
folder_name

Optional folder scope for the operation. Accepts a single folder name or a list of folder names.

​
end_user_id
string | null

Optional end-user scope for the operation

​
max_tokens
integer | null

Maximum number of tokens allowed in the generated completion.

​
temperature
number | null

Sampling temperature passed to the completion model (None uses provider default).

​
prompt_overrides
object | null

Optional customizations for entity extraction, resolution, and query prompts Container for query-related prompt overrides.

Use this class when customizing prompts for query operations, which may include customizations for entity extraction, entity resolution, and the query/response generation itself.

This is the most feature-complete override class, supporting all customization types.

Available customizations:

  • entity_extraction: Customize how entities are identified in text
  • entity_resolution: Customize how entity variants are grouped
  • query: Customize response generation style, format, and tone

Each type has its own required placeholders. See the specific class documentation for details and examples.

​
schema

Schema for structured output, can be a Pydantic model or JSON schema dict

​
chat_id
string | null

Optional chat session ID for persisting conversation history

​
stream_response
boolean | null
default:false

Whether to stream the response back in chunks

​
llm_config
object | null

LiteLLM-compatible model configuration (e.g., model name, API key, base URL)

​
inline_citations
boolean | null
default:false

Whether to include inline citations with filename and page number in the response

Response

Successful Response

Response from completion generation

​
completion
required
​
usage
object
required
​
finish_reason
string | null
​
sources
ChunkSource · object[]
​
metadata
object | null