The Phoenix REST API allows you to access and interact with observability data programmatically. You can use it to retrieve project information, query traces and spans, access prompts, and automate analysis workflows directly from your environment.
For an up-to-date OpenAPI text file that contains descriptions of all the REST API endpoints, see here: https://app.phoenix.arize.com/openapi.json
Get dataset by ID
curl -L \
--url '/v1/datasets'
// Get dataset by ID
const response = await fetch('/v1/datasets/{id}', {
method: 'GET',
});
const data = await response.json();
# Get dataset by ID
import requests
response = requests.get(
"/v1/datasets/{id}",
)
data = response.json()
GET /v1/datasets/{id} HTTP/1.1
Host:
Accept: */*
{
"data": [
{
"id": "version_123",
"dataset_id": "your_dataset_id",
"created_at": "2025-04-18T21:23:18.216Z",
"metadata": {
"source": "inference-logs"
}
}
],
"next_cursor": null
}