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---
title: "Embeddings"
description: "Text embedding endpoints"
---
## Overview
Text embedding endpoints
### Available Operations
* [generate](#generate) - Submit an embedding request
* [list_models](#list_models) - List all embeddings models
## generate
Submits an embedding request to the embeddings router
### Example Usage
```python
from openrouter import OpenRouter
import os
with OpenRouter(
http_referer="<value>",
x_open_router_title="<value>",
x_open_router_categories="<value>",
api_key=os.getenv("OPENROUTER_API_KEY", ""),
) as open_router:
res = open_router.embeddings.generate(input="The quick brown fox jumps over the lazy dog", model="openai/text-embedding-3-small")
# Handle response
print(res)
```
### Parameters
| Parameter | Type | Required | Description | Example |
| ------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- |
| `input` | [operations.InputUnion](../../operations/inputunion.mdx) | :heavy_check_mark: | Text, token, or multimodal input(s) to embed | The quick brown fox jumps over the lazy dog |
| `model` | *str* | :heavy_check_mark: | The model to use for embeddings | openai/text-embedding-3-small |
| `http_referer` | *Optional[str]* | :heavy_minus_sign: | The app identifier should be your app's URL and is used as the primary identifier for rankings.<br/>This is used to track API usage per application.<br/> | |
| `x_open_router_title` | *Optional[str]* | :heavy_minus_sign: | The app display name allows you to customize how your app appears in OpenRouter's dashboard.<br/> | |
| `x_open_router_categories` | *Optional[str]* | :heavy_minus_sign: | Comma-separated list of app categories (e.g. "cli-agent,cloud-agent"). Used for marketplace rankings.<br/> | |
| `dimensions` | *Optional[int]* | :heavy_minus_sign: | The number of dimensions for the output embeddings | 1536 |
| `encoding_format` | [Optional[operations.EncodingFormat]](../../operations/encodingformat.mdx) | :heavy_minus_sign: | The format of the output embeddings | float |
| `input_type` | *Optional[str]* | :heavy_minus_sign: | The type of input (e.g. search_query, search_document) | search_query |
| `provider` | [OptionalNullable[components.ProviderPreferences]](../../components/providerpreferences.mdx) | :heavy_minus_sign: | N/A | \{<br/>"allow_fallbacks": true<br/>} |
| `user` | *Optional[str]* | :heavy_minus_sign: | A unique identifier for the end-user | user-1234 |
| `retries` | [Optional[utils.RetryConfig]](../../models/utils/retryconfig.mdx) | :heavy_minus_sign: | Configuration to override the default retry behavior of the client. | |
### Response
**[operations.CreateEmbeddingsResponse](../../operations/createembeddingsresponse.mdx)**
### Errors
| Error Type | Status Code | Content Type |
| -------------------------------------- | -------------------------------------- | -------------------------------------- |
| errors.BadRequestResponseError | 400 | application/json |
| errors.UnauthorizedResponseError | 401 | application/json |
| errors.PaymentRequiredResponseError | 402 | application/json |
| errors.NotFoundResponseError | 404 | application/json |
| errors.TooManyRequestsResponseError | 429 | application/json |
| errors.InternalServerResponseError | 500 | application/json |
| errors.BadGatewayResponseError | 502 | application/json |
| errors.ServiceUnavailableResponseError | 503 | application/json |
| errors.EdgeNetworkTimeoutResponseError | 524 | application/json |
| errors.ProviderOverloadedResponseError | 529 | application/json |
| errors.OpenRouterDefaultError | 4XX, 5XX | \*/\* |
## list_models
Returns a list of all available embeddings models and their properties
### Example Usage
```python
from openrouter import OpenRouter
import os
with OpenRouter(
http_referer="<value>",
x_open_router_title="<value>",
x_open_router_categories="<value>",
api_key=os.getenv("OPENROUTER_API_KEY", ""),
) as open_router:
res = open_router.embeddings.list_models()
# Handle response
print(res)
```
### Parameters
| Parameter | Type | Required | Description |
| ------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- |
| `http_referer` | *Optional[str]* | :heavy_minus_sign: | The app identifier should be your app's URL and is used as the primary identifier for rankings.<br/>This is used to track API usage per application.<br/> |
| `x_open_router_title` | *Optional[str]* | :heavy_minus_sign: | The app display name allows you to customize how your app appears in OpenRouter's dashboard.<br/> |
| `x_open_router_categories` | *Optional[str]* | :heavy_minus_sign: | Comma-separated list of app categories (e.g. "cli-agent,cloud-agent"). Used for marketplace rankings.<br/> |
| `retries` | [Optional[utils.RetryConfig]](../../models/utils/retryconfig.mdx) | :heavy_minus_sign: | Configuration to override the default retry behavior of the client. |
### Response
**[components.ModelsListResponse](../../components/modelslistresponse.mdx)**
### Errors
| Error Type | Status Code | Content Type |
| ---------------------------------- | ---------------------------------- | ---------------------------------- |
| errors.BadRequestResponseError | 400 | application/json |
| errors.InternalServerResponseError | 500 | application/json |
| errors.OpenRouterDefaultError | 4XX, 5XX | \*/\* |