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messageId: string;
feedbackId?: string;
}) {
// This is a custom app endpoint you implement.
await fetch(`/api/agents/${input.agentId}/feedback/provided`, {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify(input),
});
}
```
### Persist provided-state on the server
Call `agent.markFeedbackProvided(...)` after feedback submit succeeds. This is not a built-in HTTP route; expose it from your own backend endpoint.
```ts
const updated = await agent.markFeedbackProvided({
userId,
conversationId,
messageId,
feedbackId, // optional
});
```
This updates the stored assistant message metadata so reloaded conversations still show feedback as completed.
## API usage
Use the API directly when you are not calling the SDK or when you want a custom feedback flow.
### Create a feedback token
```bash
curl -X POST "https://api.voltagent.dev/api/public/feedback/tokens" \
-H "X-Public-Key: $VOLTAGENT_PUBLIC_KEY" \
-H "X-Secret-Key: $VOLTAGENT_SECRET_KEY" \
-H "Content-Type: application/json" \
-d '{
"trace_id": "trace-id",
"feedback_key": "satisfaction",
"expires_in": { "hours": 6 },
"feedback_config": {
"type": "categorical",
"categories": [
{ "value": 1, "label": "Satisfied" },
{ "value": 0, "label": "Unsatisfied" }
]
}
}'
```
Response:
```json
{
"id": "token-id",
"url": "https://api.voltagent.dev/api/public/feedback/ingest/token-id",
"expires_at": "2026-01-06T18:25:26.005Z"
}
```
If the key is already registered, you can omit `feedback_config` and the stored config is used.
### Submit feedback with the token
```bash
curl -X POST "https://api.voltagent.dev/api/public/feedback/ingest/token-id" \
-H "Content-Type: application/json" \
-d '{
"score": 1,
"comment": "Resolved my issue",
"feedback_source_type": "app"
}'
```
### Direct feedback create
If you want to submit feedback directly (without a token), call the feedback endpoint with project keys:
```bash
curl -X POST "https://api.voltagent.dev/api/public/feedback" \
-H "X-Public-Key: $VOLTAGENT_PUBLIC_KEY" \
-H "X-Secret-Key: $VOLTAGENT_SECRET_KEY" \
-H "Content-Type: application/json" \
-d '{
"trace_id": "trace-id",
"key": "satisfaction",
"score": 0,
"comment": "Did not help"
}'
```
## Custom feedback
Use different keys and configs to collect multiple signals.
```ts
const result = await agent.generateText("Review this answer", {
feedback: {