Python
import requests
url = "https://app.langwatch.ai/api/v1/evaluators"
headers = {"X-Auth-Token": "<api-key>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {'X-Auth-Token': '<api-key>'}};
fetch('https://app.langwatch.ai/api/v1/evaluators', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));curl --request GET \
--url https://app.langwatch.ai/api/v1/evaluators \
--header 'X-Auth-Token: <api-key>'[
{
"id": "<string>",
"projectId": "<string>",
"name": "<string>",
"slug": "<string>",
"type": "<string>",
"config": {},
"workflowId": "<string>",
"copiedFromEvaluatorId": "<string>",
"createdAt": "2023-11-07T05:31:56Z",
"updatedAt": "2023-11-07T05:31:56Z",
"fields": [
{
"identifier": "<string>",
"type": "<string>",
"optional": true
}
],
"outputFields": [
{
"identifier": "<string>",
"type": "<string>",
"optional": true
}
],
"platformUrl": "<string>",
"workflowName": "<string>",
"workflowIcon": "<string>"
}
]Evaluators
Get all evaluators for a project
Get all evaluators for a project
GET
/
api
/
v1
/
evaluators
Python
import requests
url = "https://app.langwatch.ai/api/v1/evaluators"
headers = {"X-Auth-Token": "<api-key>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {'X-Auth-Token': '<api-key>'}};
fetch('https://app.langwatch.ai/api/v1/evaluators', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));curl --request GET \
--url https://app.langwatch.ai/api/v1/evaluators \
--header 'X-Auth-Token: <api-key>'[
{
"id": "<string>",
"projectId": "<string>",
"name": "<string>",
"slug": "<string>",
"type": "<string>",
"config": {},
"workflowId": "<string>",
"copiedFromEvaluatorId": "<string>",
"createdAt": "2023-11-07T05:31:56Z",
"updatedAt": "2023-11-07T05:31:56Z",
"fields": [
{
"identifier": "<string>",
"type": "<string>",
"optional": true
}
],
"outputFields": [
{
"identifier": "<string>",
"type": "<string>",
"optional": true
}
],
"platformUrl": "<string>",
"workflowName": "<string>",
"workflowIcon": "<string>"
}
]Authorizations
Project API key for sending traces and accessing project-scoped resources. Format: sk-lw-... (no underscore). Obtain one by creating a project via the Admin API or the LangWatch UI.
Response
200 - application/json
Success
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Last modified on October 12, 2026
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