# Atlas Embedding and Reranking API

## Description
This is version `1.1` of this API documentation. Last update on Dec 5, 2025.
The Atlas Embedding and Reranking API provides programmatic access to the latest Voyage AI embedding and reranking models through a RESTful interface.

Provide your [model API key](http://dochub.mongodb.org/core/voyage-api-keys) using the Bearer token format when constructing API requests.
For example, the following cURL command sends a request to the `/embeddings` endpoint
to embed a sample text:

```bash
curl https://ai.mongodb.com/v1/embeddings \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "input": ["Sample text to embed"],
    "model": "voyage-3-large"
  }'
```

To learn more, see the [Embedding and Reranking API Overview](http://dochub.mongodb.org/core/voyage-api-overview).
To learn how to create and manage your model API keys, see [Manage Model API Keys](http://dochub.mongodb.org/core/voyage-api-keys).

## Authentication

All requests must include an `Authorization` header with your model API key using the Bearer token format:

```
Authorization: Bearer YOUR_API_KEY
```

## Rate Limits

[Rate limits](http://dochub.mongodb.org/core/voyage-rate-limits) are applied per API key and measured in two dimensions:

- **TPM (Tokens Per Minute)**: Maximum number of tokens processed per minute
- **RPM (Requests Per Minute)**: Maximum number of API requests per minute


## Servers
- https://ai.mongodb.com/v1: https://ai.mongodb.com/v1 ()

## Authentication




## Endpoints and operations

### [Endpoints](https://www.mongodb.com/pt-br/docs/api/doc/voyage-embedding-and-reranking/group/endpoint-endpoints.md)
- [Create text embeddings](https://www.mongodb.com/pt-br/docs/api/doc/voyage-embedding-and-reranking/operation/operation-createembedding.md)
- [Create contextualized chunk embeddings](https://www.mongodb.com/pt-br/docs/api/doc/voyage-embedding-and-reranking/operation/operation-createcontextualizedembedding.md)
- [Create multimodal embeddings](https://www.mongodb.com/pt-br/docs/api/doc/voyage-embedding-and-reranking/operation/operation-createmultimodalembedding.md)
- [Rerank documents](https://www.mongodb.com/pt-br/docs/api/doc/voyage-embedding-and-reranking/operation/operation-rerankdocuments.md)



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