curl --request POST \
  --url https://api.galileo.ai/v2/projects/{project_id}/spans/available_columns \
  --header 'Content-Type: application/json' \
  --header 'Galileo-API-Key: <api-key>' \
  --data '
{
  "log_stream_id": "00000000-0000-0000-0000-000000000000"
}
'

import requests

url = "https://api.galileo.ai/v2/projects/{project_id}/spans/available_columns"

payload = { "log_stream_id": "00000000-0000-0000-0000-000000000000" }
headers = {
    "Galileo-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Galileo-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({log_stream_id: '00000000-0000-0000-0000-000000000000'})
};

fetch('https://api.galileo.ai/v2/projects/{project_id}/spans/available_columns', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.galileo.ai/v2/projects/{project_id}/spans/available_columns",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'log_stream_id' => '00000000-0000-0000-0000-000000000000'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "Galileo-API-Key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.galileo.ai/v2/projects/{project_id}/spans/available_columns"

	payload := strings.NewReader("{\n  \"log_stream_id\": \"00000000-0000-0000-0000-000000000000\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Galileo-API-Key", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.galileo.ai/v2/projects/{project_id}/spans/available_columns")
  .header("Galileo-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"log_stream_id\": \"00000000-0000-0000-0000-000000000000\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.galileo.ai/v2/projects/{project_id}/spans/available_columns")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Galileo-API-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"log_stream_id\": \"00000000-0000-0000-0000-000000000000\"\n}"

response = http.request(request)
puts response.read_body

{
  "columns": [
    {
      "applicable_types": [
        "agent",
        "session",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "Input to the trace or span.",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "input",
      "is_empty": false,
      "is_optional": false,
      "label": "Input",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "session",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "Output of the trace or span.",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "output",
      "is_empty": false,
      "is_optional": false,
      "label": "Output",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "session",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "Name of the trace, span or session.",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "name",
      "is_empty": false,
      "is_optional": false,
      "label": "Name",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "session",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "timestamp",
      "description": "Timestamp of the trace or span's creation.",
      "filter_type": "date",
      "filterable": true,
      "group_label": "Standard",
      "id": "created_at",
      "is_empty": false,
      "is_optional": false,
      "label": "Created",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "string_list",
      "description": "Tags associated with this trace or span.",
      "filter_type": "collection",
      "filterable": true,
      "group_label": "Standard",
      "id": "tags",
      "is_empty": false,
      "is_optional": false,
      "label": "Tags",
      "multi_valued": true,
      "sortable": false
    },
    {
      "applicable_types": [
        "agent",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "integer",
      "description": "Status code of the trace or span. Used for logging failure or error states.",
      "filter_type": "number",
      "filterable": true,
      "group_label": "Standard",
      "id": "status_code",
      "is_empty": false,
      "is_optional": true,
      "label": "Status Code",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "session",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "A user-provided session, trace or span ID.",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "external_id",
      "is_empty": false,
      "is_optional": true,
      "label": "External Id",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "Input to the dataset associated with this trace",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "dataset_input",
      "is_empty": false,
      "is_optional": false,
      "label": "Dataset Input",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "Output from the dataset associated with this trace",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "dataset_output",
      "is_empty": false,
      "is_optional": false,
      "label": "Dataset Output",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "session",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "uuid",
      "description": "Galileo ID of the session, trace or span",
      "filter_type": "id",
      "filterable": true,
      "group_label": "Standard",
      "id": "id",
      "is_empty": false,
      "is_optional": false,
      "label": "ID",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "uuid",
      "description": "Galileo ID of the session containing the trace (or the same value as id for a trace)",
      "filter_type": "id",
      "filterable": true,
      "group_label": "Standard",
      "id": "session_id",
      "is_empty": false,
      "is_optional": false,
      "label": "Session ID",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "uuid",
      "description": "Galileo ID of the project associated with this trace or span",
      "filter_type": "id",
      "filterable": true,
      "group_label": "Standard",
      "id": "project_id",
      "is_empty": false,
      "is_optional": false,
      "label": "Project ID",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "uuid",
      "description": "Galileo ID of the run (log stream or experiment) associated with this trace or span",
      "filter_type": "id",
      "filterable": true,
      "group_label": "Standard",
      "id": "run_id",
      "is_empty": false,
      "is_optional": false,
      "label": "Run ID",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "timestamp",
      "description": "Timestamp of the session or trace or span's last update",
      "filter_type": "date",
      "filterable": true,
      "group_label": "Standard",
      "id": "updated_at",
      "is_empty": false,
      "is_optional": true,
      "label": "Last Updated",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "boolean",
      "description": "Whether or not this trace or span has child spans",
      "filter_type": "boolean",
      "filterable": true,
      "group_label": "Standard",
      "id": "has_children",
      "is_empty": false,
      "is_optional": true,
      "label": "Has Children",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "session",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "Runner progress text written directly to CH span",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "progress_message",
      "is_empty": false,
      "is_optional": false,
      "label": "Progress Message",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "session",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "Runner error text written directly to CH span",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "error_message",
      "is_empty": false,
      "is_optional": false,
      "label": "Error Message",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "boolean",
      "description": "Whether the parent trace is complete or not",
      "filter_type": "boolean",
      "filterable": true,
      "group_label": "Standard",
      "id": "is_complete",
      "is_empty": false,
      "is_optional": false,
      "label": "Is Complete",
      "multi_valued": false,
      "sortable": true
    },
    {
      "allowed_values": [
        "agent",
        "session",
        "retriever",
        "llm",
        "trace",
        "workflow",
        "tool",
        "control"
      ],
      "applicable_types": [
        "agent",
        "retriever",
        "llm",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "Type of the trace, span or session.",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "type",
      "is_empty": false,
      "is_optional": false,
      "label": "Type",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "retriever",
        "llm",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "uuid",
      "description": "Galileo ID of the trace containing the span (or the same value as id for a trace)",
      "filter_type": "id",
      "filterable": true,
      "group_label": "Standard",
      "id": "trace_id",
      "is_empty": false,
      "is_optional": false,
      "label": "Trace ID",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "retriever",
        "llm",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "uuid",
      "description": "Galileo ID of the parent of this span",
      "filter_type": "id",
      "filterable": true,
      "group_label": "Standard",
      "id": "parent_id",
      "is_empty": false,
      "is_optional": false,
      "label": "Parent ID",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "retriever",
        "llm",
        "workflow",
        "tool",
        "control"
      ],
      "category": "standard",
      "data_type": "integer",
      "description": "Topological step number of the span.",
      "filter_type": "number",
      "filterable": true,
      "group_label": "Standard",
      "id": "step_number",
      "is_empty": false,
      "is_optional": true,
      "label": "Step Number",
      "multi_valued": false,
      "sortable": true
    },
    {
      "allowed_values": [
        "classifier",
        "reflection",
        "default",
        "judge",
        "react",
        "planner",
        "router",
        "supervisor"
      ],
      "applicable_types": [
        "agent"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "Agent type.",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "agent_type",
      "is_empty": false,
      "is_optional": false,
      "label": "Agent Type",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "agent",
        "control"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "Normalized agent name associated with this control execution.",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "agent_name",
      "is_empty": false,
      "is_optional": true,
      "label": "Agent Name",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "llm"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "List of available tools passed to the LLM on invocation.",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "tools",
      "is_empty": false,
      "is_optional": false,
      "label": "Tools",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "llm"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "Model used for this span.",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "model",
      "is_empty": false,
      "is_optional": true,
      "label": "Model",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "llm"
      ],
      "category": "standard",
      "data_type": "floating_point",
      "description": "Temperature used for generation.",
      "filter_type": "number",
      "filterable": true,
      "group_label": "Standard",
      "id": "temperature",
      "is_empty": false,
      "is_optional": true,
      "label": "Temperature",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "llm"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "Reason for finishing.",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "finish_reason",
      "is_empty": false,
      "is_optional": true,
      "label": "Finish Reason",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "tool"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "ID of the tool call.",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "tool_call_id",
      "is_empty": false,
      "is_optional": true,
      "label": "Tool Call Id",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "control"
      ],
      "category": "standard",
      "data_type": "integer",
      "description": "Identifier of the control definition that produced this span.",
      "filter_type": "number",
      "filterable": true,
      "group_label": "Standard",
      "id": "control_id",
      "is_empty": false,
      "is_optional": true,
      "label": "Control Id",
      "multi_valued": false,
      "sortable": true
    },
    {
      "allowed_values": [
        "post",
        "pre"
      ],
      "applicable_types": [
        "control"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "Execution stage where the control ran, typically 'pre' or 'post'.",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "check_stage",
      "is_empty": false,
      "is_optional": true,
      "label": "Check Stage",
      "multi_valued": false,
      "sortable": true
    },
    {
      "allowed_values": [
        "tool_call",
        "llm_call"
      ],
      "applicable_types": [
        "control"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "Parent execution type the control applied to, for example 'llm_call' or 'tool_call'.",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "applies_to",
      "is_empty": false,
      "is_optional": true,
      "label": "Applies To",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "control"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "Representative evaluator name for this control span. For composite controls, this is the primary evaluator chosen for observability identity.",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "evaluator_name",
      "is_empty": false,
      "is_optional": true,
      "label": "Evaluator Name",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [
        "control"
      ],
      "category": "standard",
      "data_type": "text",
      "description": "Representative selector path for this control span. For composite controls, this is the primary selector path chosen for observability identity.",
      "filter_type": "text",
      "filterable": true,
      "group_label": "Standard",
      "id": "selector_path",
      "is_empty": false,
      "is_optional": true,
      "label": "Selector Path",
      "multi_valued": false,
      "sortable": true
    },
    {
      "applicable_types": [],
      "category": "metric",
      "data_type": "floating_point",
      "data_unit": "percentage",
      "description": "Measures the presence and severity of harmful, offensive, or abusive language in the model's response",
      "filter_type": "number",
      "filterable": true,
      "group_label": "Safety Metrics",
      "id": "metrics/toxicity",
      "is_empty": false,
      "is_optional": false,
      "label": "Output Toxicity (SLM)",
      "multi_valued": false,
      "roll_up_method": "average",
      "sortable": true,
      "threshold": {
        "buckets": [
          0.5,
          0.8
        ],
        "display_value_levels": [
          "Low",
          "Medium",
          "High"
        ],
        "inverted": true
      }
    }
  ]
}

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>",
      "input": "<unknown>",
      "ctx": {}
    }
  ]
}