> ## Documentation Index
> Fetch the complete documentation index at: https://docs.flynet.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Confirm a Payment Intent

Confirms a pending intent and transfers FLY from the customer's wallet
to the merchant. The customer must already hold enough FLY.

Auth: OAuth access token.

## Request body

```json theme={null}
{
  "user_id": "{uuid}"
}
```

## Example

```bash theme={null}
curl -X POST https://api.staging.blackbird.xyz/flynet/v1/payment_intents/{uuid}/confirm \
  -H "Authorization: Bearer $ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{ "user_id": "{uuid}" }'
```

## Response

```json theme={null}
{
  "id": "{uuid}",
  "object": "payment_intent",
  "status": "paid",
  "paid_at": "2026-05-11T20:01:00Z",
  "amount": { "value": "1000000000000000000", "currency": "FLY" }
}
```

## Errors

| Code                    | Meaning                                      |
| ----------------------- | -------------------------------------------- |
| 400 `payment0030`       | Customer has insufficient FLY.               |
| 400 `paymentIntent0003` | Intent is not in a confirmable state.        |
| 401                     | Missing or invalid OAuth bearer. Empty body. |