> ## Documentation Index > Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # CreateEmbeddingsRequest Embeddings request input ## Fields | Field | Type | Required | Description | Example | | ---------------- | --------------------------------------------------------------------------------------------------------------------- | -------------------- | -------------------------------------------------------- | ------------------------------------------- | | `Dimensions` | `*int64` | :heavy\_minus\_sign: | The number of dimensions for the output embeddings | 1536 | | `EncodingFormat` | [\*operations.EncodingFormat](../../models/operations/encodingformat.mdx) | :heavy\_minus\_sign: | The format of the output embeddings | float | | `Input` | [operations.InputUnion](../../models/operations/inputunion.mdx) | :heavy\_check\_mark: | Text, token, or multimodal input(s) to embed | The quick brown fox jumps over the lazy dog | | `InputType` | `*string` | :heavy\_minus\_sign: | The type of input (e.g. search\_query, search\_document) | search\_query | | `Model` | `string` | :heavy\_check\_mark: | The model to use for embeddings | openai/text-embedding-3-small | | `Provider` | optionalnullable.OptionalNullable\[[components.ProviderPreferences](../../models/components/providerpreferences.mdx)] | :heavy\_minus\_sign: | N/A | \{
"allow\_fallbacks": true
} | | `User` | `*string` | :heavy\_minus\_sign: | A unique identifier for the end-user | user-1234 |