Lookup Table API

This feature is in beta

This requires that you have the lookup_table feature enabled in Amplitude. Contact your Amplitude account manager if you need help.

Lookup tables let you augment user and event properties. Instead of using formulas, you can upload a CSV file that contains property mappings to derive new properties.

To create a lookup property, create a lookup table to reference. You can retrieve and update each of the tables using the API. Lookup Tables are identified by the name and are scoped per project.

You can also create and manage lookup tables from the Amplitude web app. See Lookup Table for more information.

Get more examples for this API

The Amplitude Developers Postman profile has a full library of example requests and responses for this API.

Check out the Amplitude Developers Profile to view the collection. You don't need a Postman account to browse.

If you already use Postman, you can fork and run this collection in Postman.

Endpoints¶

Region	Endpoint
Standard Server	https://amplitude.com/api/2/lookup_table
EU Residency Server	https://analytics.eu.amplitude.com/api/2/lookup_table

Authorization¶

This API uses basic authentication, using the API key and secret key for your project. Pass base64-encoded credentials in the request header like {{api-key}}:{{secret-key}}. api-key replaces username, and secret-key replaces the password.

Your authorization header should look something like this:

--header 'Authorization: Basic YWhhbWwsdG9uQGFwaWdlZS5jb206bClwYXNzdzByZAo'

See Find your Amplitude Project API Credentials for help locating your credentials.

Considerations¶

The max file size is 100 MB and the file can't have more than 1,000,000 rows.

Create a Lookup Table¶

Create a Lookup Table object by uploading a CSV that maps an existing property to the new properties to create. Send the request with the type multipart/form-data type.

Parameters¶

Name	Description
`name`	Required. String. Name of the table.
`file`	Required. File. A CSV representation of the mappings.

Example request¶

cURLHTTP

curl -L -X POST 'https://amplitude.com/api/2/lookup_table/:name' \
     -u API_KEY:SECRET_KEY \
     -F 'file=@"/path/to/file.csv"' \

POST '/api/2/lookup_table/:name' HTTP/1.1
Host: api2.amplitude.com
Authorization: Basic {{api-key}}:{{secret-key}}
Content-Type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW

----WebKitFormBoundary7MA4YWxkTrZu0gW
Content-Disposition: form-data; name=":name"; filename="file.csv"
Content-Type: text/csv

(data)
----WebKitFormBoundary7MA4YWxkTrZu0gW

Responses¶

SuccessHTTP 400: Bad RequestHTTP 409: ConflictHTTP 413: Payload Too Large

{
    "name": "skuToMetadata",
    "column_headers": [
        "Product Category",
        "Product Name"
    ],
    "created_at": "2021-07-15T21:04:23.000593",
    "created_by": "rest",
    "last_modified_at": "2021-07-16T19:14:11.627477",
    "last_modified_by": "rest"
}

HTTP 400: Bad Request

Invalid file
File type is invalid. Accepted file types are text/csv, text/plain, and text/tab-separated-values.
File is empty
Found duplicate column header. There's a duplicate column, please remove the column so the file can be processed.

HTTP 409: Conflict (Conflict, name already exists)

The table already exists

HTTP 413: Payload Too Large

The file exceeds the max size.

Retrieve a Lookup Table¶

Retrieve a Lookup Table by its name.

Parameters¶

Name	Description
`name`	Required. String. Name of the table.

Example request¶

cURLHTTP

curl -L -X GET 'https://amplitude.com/api/2/lookup_table/:name' \
     -u API_KEY:SECRET_KEY

GET /api/2/lookup_table/:name HTTP/1.1
Host: amplitude.com
Authorization: Basic {{api-key}}:{{secret-key}}

Response¶

SuccessHTTP 404: Not found

{
    "name": "skuToMetadata",
    "column_headers": [
        "Product Category",
        "Product Name"
    ],
    "created_at": "2021-07-15T21:04:23.000593",
    "created_by": "rest",
    "last_modified_at": "2021-07-16T19:14:11.627477",
    "last_modified_by": "rest"
}

HTTP 404: Not found

The table wasn't found because it wasn't created

Update a Lookup Table¶

Update a Lookup Table's columns and data.

Parameters¶

Name	Description
`name`	Required. String. Name of the table.
`file`	Required. File. A CSV representation of the mappings.

Example request¶

cURLHTTP

curl -L -X PATCH 'https://amplitude.com/api/2/lookup_table/:name' \
     -u API_KEY:SECRET_KEY
     -F 'file=@"/path/to/file.csv"' \

PATCH /api/2/lookup_table/:name HTTP/1.1
Host: amplitude.com
Authorization: Basic {{api-key}}:{{secret-key}}
Content-Type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW

----WebKitFormBoundary7MA4YWxkTrZu0gW
Content-Disposition: form-data; name=":name"; filename="file.csv"
Content-Type: text/csv

(data)
----WebKitFormBoundary7MA4YWxkTrZu0gW

Response¶

SuccessHTTP 400: Bad RequestHTTP 404: Not foundHTTP 413: Payload Too Large

{
    "name": "skuToMetadata",
    "column_headers": [
        "Product Category",
        "Product Name"
    ],
    "created_at": "2021-07-15T21:04:23.000593",
    "created_by": "rest",
    "last_modified_at": "2021-07-16T19:14:11.627477",
    "last_modified_by": "rest"
}

HTTP 400: Bad Request

Requires at least one modification. There should be a file attached.
File type is invalid. Accepted file types are text/csv, text/plain, and text/tab-separated-values.
File is empty.
Found duplicate column header. There's a duplicate column, please remove the column so the file can be processed.

HTTP 404: Not found

The table wasn't found because it wasn't created

HTTP 413: Payload Too Large

The file exceeds the max size.

Delete a Lookup Table¶

Delete a Lookup Table.

Parameters¶

Name	Description
`name`	Required. String. Name of the table.
`force`	Optional. Boolean. Delete the associated properties. Defaults to `false`.

Example request¶

cURLHTTP

curl -L -X DELETE 'https://amplitude.com/api/2/lookup_table/:name' \
     -u API_KEY:SECRET_KEY

DELETE /api/2/lookup_table/:lookup_table_name?force=True HTTP/1.1
Host: amplitude.com
Authorization: Basic {{api-key}}:{{secret-key}}

Response¶

SuccessHTTP 404: Not found

{
    "name": "skuToMetadata",
    "success": true
}

HTTP 404: Not found

The table wasn't found.

List all Lookup Tables¶

List all the Lookup Tables for the project.

Example request¶

cURLHTTP

curl -L -X GET 'https://amplitude.com/api/2/lookup_table' \
     -u API_KEY:SECRET_KEY

GET /api/2/lookup_table HTTP/1.1
Host: amplitude.com
Authorization: Basic {{api-key}}:{{secret:key}}

Response¶

{
    "data": [
        {
            "name": "isbnToMetadata",
            "column_headers": [
                "Genres",
                "Authors"
            ],
            "created_at": "2021-07-15T21:04:23.000593",
            "created_by": "rest",
            "last_modified_at": "2021-07-16T19:14:11.627477",
            "last_modified_by": "rest"
        },
        {
            "name": "skuToMetadata",
            "column_headers": [
                "Product Category",
                "Product Name"
            ],
            "created_at": "2021-07-16T19:28:18.070073",
            "created_by": "rest",
            "last_modified_at": "2021-07-16T19:28:18.070073",
            "last_modified_by": "rest"
        }
    ]
}

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