Python
import requests
url = "https://app.langwatch.ai/api/dataset/{slug}/entries"
payload = { "entries": [
{
"input": "hi",
"output": "Hello, how can I help you today?"
}
] }
headers = {
"X-Auth-Token": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'X-Auth-Token': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({entries: [{input: 'hi', output: 'Hello, how can I help you today?'}]})
};
fetch('https://app.langwatch.ai/api/dataset/{slug}/entries', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));curl --request POST \
--url https://app.langwatch.ai/api/dataset/{slug}/entries \
--header 'Content-Type: application/json' \
--header 'X-Auth-Token: <api-key>' \
--data '
{
"entries": [
{
"input": "hi",
"output": "Hello, how can I help you today?"
}
]
}
'Datasets
Add dataset entries programmatically using the LangWatch API to build evaluation sets for LLM testing and agent validation.
Add entries to a dataset
POST
/
api
/
dataset
/
{slug}
/
entries
Python
import requests
url = "https://app.langwatch.ai/api/dataset/{slug}/entries"
payload = { "entries": [
{
"input": "hi",
"output": "Hello, how can I help you today?"
}
] }
headers = {
"X-Auth-Token": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'X-Auth-Token': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({entries: [{input: 'hi', output: 'Hello, how can I help you today?'}]})
};
fetch('https://app.langwatch.ai/api/dataset/{slug}/entries', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));curl --request POST \
--url https://app.langwatch.ai/api/dataset/{slug}/entries \
--header 'Content-Type: application/json' \
--header 'X-Auth-Token: <api-key>' \
--data '
{
"entries": [
{
"input": "hi",
"output": "Hello, how can I help you today?"
}
]
}
'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.
Path Parameters
Body
application/json
Show child attributes
Show child attributes
Example:
[
{
"input": "hi",
"output": "Hello, how can I help you today?"
}
]
Was this page helpful?
⌘I