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95 lines
3.5 KiB
Plaintext
95 lines
3.5 KiB
Plaintext
---
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title: REST API Reference
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sidebarTitle: "Overview"
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description: "API reference for LanceDB"
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---
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[Lance REST Namespace](https://lance.org/format/namespace/) spec
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is an OpenAPI protocol that enables reading, writing and managing Lance tables by connecting
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those metadata services or building a custom metadata server in a standardized way.
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LanceDB OSS allows you to interface with Lance tables via the REST Namespace.
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LanceDB Enterprise provides an extended REST API with
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additional endpoints for managing tables and data.
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If you have specific needs or questions about the Enterprise REST API Namespace,
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please [contact us](mailto:support@lancedb.com).
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## Authentication {#authentication}
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<Badge color="red">Enterprise</Badge>
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All HTTP requests to LanceDB APIs must contain an <u>x-api-key</u> header that specifies a valid API key and
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must be encoded as JSON or Arrow RPC.
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To authenticate to the Enterprise REST API, you need the endpoint for your deployment and a valid API key for that deployment.
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### Get your Enterprise credentials {#get-your-enterprise-credentials}
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1. Obtain the following values from your LanceDB administrator or the LanceDB team that provisioned your Enterprise deployment:
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- an API key
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- your Enterprise REST endpoint
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- your database name, if your deployment uses a private endpoint or `host_override`
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2. Export those values in your terminal:
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```bash
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export LANCEDB_API_KEY="<your-api-key>"
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export LANCEDB_HOST_OVERRIDE="https://your-enterprise-endpoint.com"
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export LANCEDB_DATABASE="your-database-name"
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```
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`LANCEDB_HOST_OVERRIDE` is the endpoint the SDKs take as `host_override`; the
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database name is the part of its `db://` URI after `db://`.
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3. If your Enterprise deployment is private, connect through the private network endpoint provided for your deployment. For example, Azure Private Link deployments commonly use a private IP or an internal DNS name as the endpoint.
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### Verify authentication {#verify-authentication}
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4. Check that you can reach the deployment and list tables:
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```bash
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curl -X GET "$LANCEDB_HOST_OVERRIDE/v1/table/" \
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-H "x-api-key: $LANCEDB_API_KEY" \
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-H "x-lancedb-database: $LANCEDB_DATABASE"
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```
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The response lists one page of table names, with a token for the next page when
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there are more.
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If your deployment endpoint already includes the database host name, you can omit the `x-lancedb-database` header.
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5. Create a table to confirm write access. Let's call it `words`. A table is
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created from an Arrow IPC stream, which this writes with PyArrow:
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```bash
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python -c "import pyarrow as pa, sys; t = pa.table({'word': ['hello', 'world']}); w = pa.ipc.new_stream(sys.stdout.buffer, t.schema); w.write_table(t); w.close()" > words.arrow
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curl -X POST "$LANCEDB_HOST_OVERRIDE/v1/table/words/create" \
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-H "Content-Type: application/vnd.apache.arrow.stream" \
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-H "x-api-key: $LANCEDB_API_KEY" \
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-H "x-lancedb-database: $LANCEDB_DATABASE" \
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--data-binary @words.arrow
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```
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6. Check that the table has been created:
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```bash
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curl -X POST "$LANCEDB_HOST_OVERRIDE/v1/table/words/describe" \
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-H "Content-Type: application/json" \
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-H "x-api-key: $LANCEDB_API_KEY" \
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-H "x-lancedb-database: $LANCEDB_DATABASE" \
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-d '{}'
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```
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That's it. You're connected! Now, you can start adding data and querying it.
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You can visit the tutorial section to build your own applications with LanceDB.
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<Card
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title="Tutorials"
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icon="book"
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href="/tutorials/"
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>
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Check out our tutorials on building various applications with LanceDB.
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</Card>
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