Embeddings

Convert text or multimodal content to vectors for later retrieval or similarity calculations.

POST https://token.moi.matrixorigin.cn/v1/embeddings

Before you call

Prepare credentials with Genesis access and a model ID that supports Embeddings.

Request body

Replace $GENESIS_ACCESS_TOKEN with an access token or service-account API key, and $MODEL_ID with the model ID to call.

curl -X POST \
  "https://token.moi.matrixorigin.cn/v1/embeddings" \
  -H "Authorization: Bearer $GENESIS_ACCESS_TOKEN" \
  -H 'Content-Type: application/json' \
  -d '{
    "model": "'"$MODEL_ID"'",
    "input": [
      "MatrixOne is a database for the intelligent era.",
      "Genesis provides model invocation APIs."
    ],
    "encoding_format": "float"
  }'

Field

Type

Required

Description

model

string

Yes

Embeddings model ID to call.

input

string or array of string or array of object

Yes

Text to convert to vectors.

encoding_format

string

No

Vector encoding format. The example uses float.

dimensions

integer

No

Expected vector dimensions; use only when the selected model supports them.

Successful response

The service returns one corresponding vector result for each input.

{
  "object": "list",
  "model": "<MODEL_ID>",
  "data": [
    { "object": "embedding", "index": 0, "embedding": [0.018, -0.042, 0.337] }
  ]
}

Field

Type

Description

object

string

Response object type; the example is list.

model

string

Model ID that processed the request.

data

array of object

Vector results for this input; each item corresponds to one input text.

The following table expands each item in the example data array.

Field

Type

Description

object

string

Result object type; the example is embedding.

index

integer

Position corresponding to the input array.

embedding

array of number or string

Vector for this text; the actual type depends on the requested encoding format.

Error response

{
  "error": {
    "message": "<human-readable error message>",
    "type": "<error type; may be omitted>",
    "code": "<error code; may be omitted>"
  }
}

Field

Type

Description

error

object

Error object.

The following table expands the example error object.

Field

Type

Description

message

string

Human-readable error message.

type

string

Error category returned by the model service; it may be omitted.

code

string or null

Error code returned by the model service; it may be omitted.

Next steps

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